So I've ordered the Samsung micro SD card Pro plus 64GB. It's Samsungs flagship model. This card supports read speeds up to 95MB/s and write speeds up to 90MB/s. But judging by my results I'm not getting near those speeds.
A1 SD Bench:
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So what speeds are supported by the Z5C?
What cards are you guys using and what speeds are you getting with "A1 SD Bench" app?
By the power of Sony Xperia Z5 Compact
I tried today a Transcend Ultimate 64GB 633x with Up to 95MBs Read and 85MB/s write.
I got 42,91MB/s Read and 28,65MB/s Write... quiet bad in my opinion
I have the same Samsung Pro+ 64gb card and I am not getting anywhere near as advertised either. My read/write speeds are similar to yours.
Do you think this would be due to only 2gb of RAM?
Woza72 said:
Do you think this would be due to only 2gb of RAM?
Click to expand...
Click to collapse
Those speed have nothing to do with RAM. If I were to make an educated guess, the speed depends on the microSD-Card reader and/or the chipset.
I think it's a bit over-simplified to talk about microsdxc speeds without any further qualifications. The manufacturer-advertised speeds are only achievable under ideal conditions (sequential as opposed to random access, specific file size etc.) If the benchmark you're running is different from the one the manufacturer ran, you may measure much lower speeds.
I'm not saying I'm positive the SoC/SD card reader in the Z5C isn't the bottleneck, I'm not sure. My point is that micoSDXC cards are much slower than advertised in real-world scenarios (and realistic benchmarks), even when using them via a super-fast card reader such as a Kingston USB 3.0 FCR-HS4 and a high-endish desktop PC.
dafie said:
I think it's a bit over-simplified to talk about microsdxc speeds without any further qualifications. The manufacturer-advertised speeds are only achievable under ideal conditions (sequential as opposed to random access, specific file size etc.) If the benchmark you're running is different from the one the manufacturer ran, you may measure much lower speeds.
I'm not saying I'm positive the SoC/SD card reader in the Z5C isn't the bottleneck, I'm not sure. My point is that micoSDXC cards are much slower than advertised in real-world scenarios (and realistic benchmarks), even when using them via a super-fast card reader such as a Kingston USB 3.0 FCR-HS4 and a high-endish desktop PC.
Click to expand...
Click to collapse
I can support dafie's scepsis. My last mircoSD class10 card from Transcend had advertised Speeds of 60mb/s read and 20mb/s write, but actually performed only about 50mb/s read (which is okay to me) and 9-11 mb/s write (which I find very lackluster). I tested this on several card readers (Xperia Z3C, Macbook Air, USB2.0-Adapter on a Windows PC).
@Mythos123 So if you want to know wether the limitation lies within the phone or the sd card I suggest you test it on an integrated sd card reader on a modern laptop or a dedicated usb 3.0 card reader at any decent pc.
reach3r said:
I can support dafie's scepsis. My last mircoSD class10 card from Transcend had advertised Speeds of 60mb/s read and 20mb/s write, but actually performed only about 50mb/s read (which is okay to me) and 9-11 mb/s write (which I find very lackluster). I tested this on several card readers (Xperia Z3C, Macbook Air, USB2.0-Adapter on a Windows PC).
@Mythos123 So if you want to know wether the limitation lies within the phone or the sd card I suggest you test it on an integrated sd card reader on a modern laptop or a dedicated usb 3.0 card reader at any decent pc.
Click to expand...
Click to collapse
Unfortunately my laptop is really old, so I can't compare speeds.
By the power of Sony Xperia Z5 Compact
This is disconcerting because if you look through the amazon-reviews you will also find benchmarks made on android which confirm the speeds that are advertised.
I'm currently using an older 128GB card with only 30MBs/10MBs and was considering an update, but i guess i'm less motivated to do so now.
Did you try with another software?
I've an old "SanDisk ULTRA 64GB" and the results (with that app) are:
Read: 36.17MB/s
Write: 12.15MB/s
I'd like a faster SD capable of write at 70MB/s+ isn't that possible in the Z5 Compact? (If I move games, like Hearthstone from Internal Memory to External Memory they are really slow).
@Mythos123
I just bought one Samsung Pro+ 32GB..
Write speed can't pass 21MB/s with that bench app.
I think we have a very slow card reader or some kind of bug. (Yours write a 36MB/s at least).
EDIT:
- I formated the 32GB SD from FAT32 to exFAT (because Android formatted it as FAT32).
- If I do this test (with this app) many times in a row (using the quick test), write speed raises up to 35-37MB/s, so I think sdcards tests don't work fine at the moment, and...37MB/s is the peak for our card reader.+
- The sequential write speed using USB cable (and USB 3.0 port just in case is above 30MB/s and supported by the Xperia) is 20MB/s approximately. (Copied a .MKV of 15700MB in 13.5 minutes).
So, in summary:
Max sequential write speed achieved with an app: 37MB/s
Max sequential write speed achieved with USB and MTP protocol: 20MB/s.
Such a pitty, Smart phones are in many ways still way way behind desktop and laptop solutions..
I suppose to really compare, you'd have to find a benchmark test on an review. Then use the exact same software and test it on the Sony. Repeating the test as closely as you can.
I've got a 64gb card now (samsung pro) also. I've been thinking about upgrading to a 128GB or 200GB. Has anyone tried getting a larger card? or are those all slower. (I want to carry a copy of all my photos around with me rather than use up precious data whenever I want to look at one)
All Z1 to Z5 limited to 40MB read/write by the card reader chip.
There's really no use for getting fastest cards. They will all be limited by the phone speed
Sent from my E5803 using Tapatalk
TheEndHK said:
All Z1 to Z5 limited to 40MB read/write by the card reader chip.
Click to expand...
Click to collapse
baste07 said:
There's really no use for getting fastest cards. They will all be limited by the phone speed
Sent from my E5803 using Tapatalk
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Click to collapse
So based on this, what's the most value for money card to get?
EDIT: I mean, I'm reading some information online about needing a UHS-I "U3" class card for 4k video recording. With a 40MB/S read/write limit, isn't it going to be impossible even if we use a "U3" card?
coffee black said:
So based on this, what's the most value for money card to get?
Click to expand...
Click to collapse
Sandisk Extreme microSD(mid class), no need Extreme Pro(high-end). If you want Samsung, you will still to buy EVO Pro as the entry level of EVO Plus got only 20MB/s write. Samsung and Toshiba seems no medium classes.
I previously own m4 aqua, and i have sandisk extreme
I got 42MB/s read and 36MB/s write on m4 aqua
The card is advertised as 60MB/s read and 40MB/s write speed and displays the UHS Speed Class 3 (U3) designation
I never do benchmark again after switch to z5 compact, but I think the result will be same
eng3 said:
I suppose to really compare, you'd have to find a benchmark test on an review. Then use the exact same software and test it on the Sony. Repeating the test as closely as you can.
I've got a 64gb card now (samsung pro) also. I've been thinking about upgrading to a 128GB or 200GB. Has anyone tried getting a larger card? or are those all slower. (I want to carry a copy of all my photos around with me rather than use up precious data whenever I want to look at one)
Click to expand...
Click to collapse
I'm about to go from the Samsung 64 up to 200gb. They're on sale right now for $80.write speeds never really bother me like hitting the size limit does lol
http://www.amazon.com/SanDisk-Ultra...p/B00V62XBQQ/?tag=androidcentralb-20&m1k=d_ac
P.S. when you put 50+GB of photos on a phone, the thumbnails really slow it down. Putting them in a hidden system folder (.nameoffolder) really helps with not lagging the device and gallery/camera down!
coffee black said:
EDIT: I mean, I'm reading some information online about needing a UHS-I "U3" class card for 4k video recording. With a 40MB/S read/write limit, isn't it going to be impossible even if we use a "U3" card?
Click to expand...
Click to collapse
Video recording is using Mbit while sdcard is using MByte .... 40MB/s x 8 = 320Mbit
There is no any consumer level of DSLR/phone reached [email protected] yet but a higher speed card is always help because probably it takes a shorter time to writing data and hence, reduced heat and save battery. Take a example, 200MB for a 20MB/s card spend 10s while only 5s needed for a 40MB/s card and you saved battery for that 5 seconds and generated smaller heat as well.
---------- Post added at 01:54 AM ---------- Previous post was at 01:43 AM ----------
civicsr2cool said:
I'm about to go from the Samsung 64 up to 200gb. They're on sale right now for $80.write speeds never really bother me like hitting the size limit does lol
http://www.amazon.com/SanDisk-Ultra...p/B00V62XBQQ/?tag=androidcentralb-20&m1k=d_ac
P.S. when you put 50+GB of photos on a phone, the thumbnails really slow it down. Putting them in a hidden system folder (.nameoffolder) really helps with not lagging the device and gallery/camera down!
Click to expand...
Click to collapse
Modern entry level card got a much faster speed usually has 15~20MB/s write and very valuable. In the old day slow card is real slow with just 4~8MB/s writing speed.
Related
Hey All,
Happy new year!
Anyone got a really good 32GB microSD card that can handle the HD recording?
I recorded a video on a class 4 card and was getting some good pixelations. I've been doing some reading, and it seems different brands sometimes don't work well with Androids or that transfer speeds to/from PC are good but writing speed is lower than as advertised.
Cheers!
Happy new year to you too
Is this neccessarily my friend? There are already three post in the forum discussing about SDCard. It would be much more fun and informative if you would joined others' posting instead of opening a new thread which doesn't help much at all
http://forum.xda-developers.com/showthread.php?t=1412375
http://forum.xda-developers.com/showthread.php?t=1410763
http://forum.xda-developers.com/showthread.php?t=1421289
junkeeroo said:
Hey All,
Happy new year!
Anyone got a really good 32GB microSD card that can handle the HD recording?
I recorded a video on a class 4 card and was getting some good pixelations. I've been doing some reading, and it seems different brands sometimes don't work well with Androids or that transfer speeds to/from PC are good but writing speed is lower than as advertised.
Cheers!
Click to expand...
Click to collapse
I know you said you were looking for a 32gb but AmazonBasics has a 16gb Class 10 for a decent price.
You just need a Class 6 or higher to be honest.
http://www.amazon.com/AmazonBasics-...1?s=electronics&ie=UTF8&qid=1325618280&sr=1-1
antiquezip said:
Happy new year to you too
Is this neccessarily my friend? There are already three post in the forum discussing about SDCard. It would be much more fun and informative if you would joined others' posting instead of opening a new thread which doesn't help much at all
http://forum.xda-developers.com/showthread.php?t=1412375
http://forum.xda-developers.com/showthread.php?t=1410763
http://forum.xda-developers.com/showthread.php?t=1421289
Click to expand...
Click to collapse
ya, sorry. i actually used the "Search Forum" tool for "Amaze sd card" and came up with nada, except for one on a Pony SD card.
appreciate the links.
junkeeroo said:
ya, sorry. i actually used the "Search Forum" tool for "Amaze sd card" and came up with nada, except for one on a Pony SD card.
appreciate the links.
Click to expand...
Click to collapse
No need to apologized my friend. Just a friendly reminder
antiquezip said:
Happy new year to you too
Is this neccessarily my friend? There are already three post in the forum discussing about SDCard. It would be much more fun and informative if you would joined others' posting instead of opening a new thread which doesn't help much at all
http://forum.xda-developers.com/showthread.php?t=1412375
http://forum.xda-developers.com/showthread.php?t=1410763
http://forum.xda-developers.com/showthread.php?t=1421289
Click to expand...
Click to collapse
Ok, had a read through the other 2 threads that never popped up in my initial thread search...and they, like the PNY sd card thread that I'd already read, don't talk specifically about an SD card for HD video recording. Those threads are concerned with SD cards for basic file storage and transfer.
SD card quality makes a difference when it comes to writing the larger amounts of data processed while the HD cam is processing the images...the card needs to be fast enough to write that data or else you'll get the choppy, pixelated videos like I'm getting with my class 4 Lexar 16GB card.
nguyendqh, thanks. Ideally need a 32 GB card though...use my phone a lot for video lectures/animations and as my main point and shoot camera.
Still appreciate any good user experiences out there...
why is the microsd card important for video/photo?? i mean will there be a quality difference between a class 10 and a class 1/2?
SuperMiguel said:
why is the microsd card important for video/photo?? i mean will there be a quality difference between a class 10 and a class 1/2?
Click to expand...
Click to collapse
The answer laid in junkeeroo's post aboved, and I quoted:
SD card quality makes a difference when it comes to writing the larger amounts of data processed while the HD cam is processing the images...the card needs to be fast enough to write that data or else you'll get the choppy, pixelated videos ...
Click to expand...
Click to collapse
antiquezip said:
The answer laid in junkeeroo's post aboved, and I quoted:
Click to expand...
Click to collapse
how about on pictures?
Pictures not such a big deal
Sent from my HTC Amaze 4G using XDA App
If you really need speed then I would suggest splurging and just getting a class 9 and up.
For everyone else I think any speed is fine
Sent from my HTC Amaze 4G using XDA App
rbaruch said:
If you really need speed then I would suggest splurging and just getting a class 9 and up.
For everyone else I think any speed is fine
Sent from my HTC Amaze 4G using XDA App
Click to expand...
Click to collapse
Class 9?
Last I checked it was 2, 4, 6, and 10.
rbaruch said:
If you really need speed then I would suggest splurging and just getting a class 9 and up.
For everyone else I think any speed is fine
Sent from my HTC Amaze 4G using XDA App
Click to expand...
Click to collapse
Thanks but the thread was asking for a specific brand and model.
Class 9?
Sent from my HTC Amaze 4G using XDA App
SuperMiguel said:
why is the microsd card important for video/photo?? i mean will there be a quality difference between a class 10 and a class 1/2?
Click to expand...
Click to collapse
Or you can just save in the internal SD and you won't lose quality
I Posted this in another forum but I think it belongs here more, for those of you who think higher class SD cards are better at video recording , class 2 is sufficient for the amaze.
Originally Posted by marleyfan61
I could understand saying a class 10 isn't necessary, but to say it isn't the way to go, a class 4 is best doesn't make sense. Care to explain why?
http://www.xda-developers.com/androi...is-speed-test/
Click to expand...
Click to collapse
anything over class 4 sacrafices random read/write speeds...meaning, just to write faster the data is more fragmented. Over time, the speed becomes slower and the table used to keep track of data must access parts of the fragments that are free...this reduces performance in higher class cards...if you look at Sandisk they their class two performs way above the minimum write speed, almost double...I always buy sandisk...nothing else...their quality is unmatched...they are the pioneers...A class 4 or class 6 sandisk would outperform many of the class 10's that people are buying right now.
Sometimes as Binary's card has, they lose integrity because of this reason...the index becomes messed up and the data becomes lost eaiser in higher class SD cards and lower quality SD cards...I believe Sandisk tries to minimize this even in their higher speed cards...
---------- Post added at 05:56 AM ---------- Previous post was at 05:34 AM ----------
If you guys take a look at the bitrate of the 1080p video and also add the audio bit rate it doesn't even come close to being 2 MB/s write speed which is a class 2 SD card...the highest bitrate for video I got was 11182 (kilobits per second) = 1.36499023 megabytes per second...add the 127kbps of sound and you barely have 1.4 MB/s write speed needed for the HD video recorded by our amaze...hope this clears things up.
seansk said:
I Posted this in another forum but I think it belongs here more, for those of you who think higher class SD cards are better at video recording , class 2 is sufficient for the amaze.
anything over class 4 sacrafices random read/write speeds...meaning, just to write faster the data is more fragmented. Over time, the speed becomes slower and the table used to keep track of data must access parts of the fragments that are free...this reduces performance in higher class cards...if you look at Sandisk they their class two performs way above the minimum write speed, almost double...I always buy sandisk...nothing else...their quality is unmatched...they are the pioneers...A class 4 or class 6 sandisk would outperform many of the class 10's that people are buying right now.
Sometimes as Binary's card has, they lose integrity because of this reason...the index becomes messed up and the data becomes lost eaiser in higher class SD cards and lower quality SD cards...I believe Sandisk tries to minimize this even in their higher speed cards...
---------- Post added at 05:56 AM ---------- Previous post was at 05:34 AM ----------
If you guys take a look at the bitrate of the 1080p video and also add the audio bit rate it doesn't even come close to being 2 MB/s write speed which is a class 2 SD card...the highest bitrate for video I got was 11182 (kilobits per second) = 1.36499023 megabytes per second...add the 127kbps of sound and you barely have 1.4 MB/s write speed needed for the HD video recorded by our amaze...hope this clears things up.
Click to expand...
Click to collapse
Thanks for that, Seansk. I had a read on perhaps the same thread http://forum.xda-developers.com/showthread.php?t=1150369. So, I'm guessing that Random Write Speed is more important than Sequential Write Speed for video recording. Or is it?
From ehow: "Crystal Disk Mark will measure the sequential writing speed, as well as random writing speeds. For most purposes, the sequential writing speed is the number you are looking for, so you can save some time by just running that test. The random tests are only important if you plan on writing a lot of tiny files."
I'm trying to piece together the jargon to figure out what's what...and which answer is the truth. Here's conflicting opinions on class # for HD vid shooting...
"Class 10 is better for transferring data or for users who shoot a lot of high res video and pictures. Class 4 or 2 is better for general use where you have a ton of apps and data cached on the SD card. So, really, if you don't shoot much video or photos, you'll never really have a problem with the Class 2 card. I would define a lot of video/photos as more than 1 video or 10 pictures a day. Basically where you replace you camera with your phone kind of situation. Most users should stick with lower class cards since they don't fall into that category."
another says...
"Higher the class,the lower it gets with random speeds and may be , lower performance when used in cell phones.
Hence the reccomendation to use class4 cards for large size cards like 32gb.
This might change in future when they find ways to improve the random speeds.
On the other higher class cards are good for normal data transfer like bunch of music or movies from the pc to card or vice verssa"
junkeeroo said:
Thanks for that, Seansk. I had a read on perhaps the same thread http://forum.xda-developers.com/showthread.php?t=1150369. So, I'm guessing that Random Write Speed is more important than Sequential Write Speed for video recording. I'm trying to piece together the jargon to figure out what's what.
Click to expand...
Click to collapse
No, If you have a lower speed SD card it will write data more sequentially...think of it as a rectangle that gets filled up from left to right...lower speeds fill up the rectangle from left to right and in some instances jump around to write data on the middle end ect....higher speeds write data every where all at the same time...they don't have time to write it sequentially, they have to be fast...so they are fragmented more, than a slower speed sd carsd...there's also an index where it tells the card where in the rectangle a certain data is stored. something that is wrote sequantially will be easier to access and and have faster read speeds. Its kinda like when a hard drive is defragmented, if you read about fragmented hard drive you will sorta get the point.
so a slower sd card would write data more like this (more sequentially) and have a faster random read write speed:
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while a faster sd card would write data more like this (less sequentially and more fragmented) and have slower random read and write speed:
Random read and write is what is most important for integrity of your SD card.
so as you can see its easier to access information on the first picture then try to look around for information on the second picture.
here's also another site explaining this:
http://forum.xda-developers.com/showthread.php?t=1150369
OK, I think I've found an answer that seems logical and satisfies me:
"...the class system is indeed the minimum writing speed, but the story is a bit more complex. For cameras, I'd look at the sequential write speed (especially for video), and writing smaller files in sequence.
Random write speeds also depend on the memory controller, and are not a general-use scenario for photographers (your camera doesn't place pictures all over the card, it just starts at the beginning of the memory space)."
So sequential write speed seems to be the more important factor.
Sent from my HTC Amaze 4G using XDA App
seansk said:
No, If you have a lower speed SD card it will write data more sequentially...think of it as a rectangle that gets filled up from left to right...lower speeds fill up the rectangle from left to right and in some instances jump around to write data on the middle end ect....higher speeds write data every where all at the same time...they don't have time to write it sequentially, they have to be fast...so they are fragmented more, than a slower speed sd carsd...there's also an index where it tells the card where in the rectangle a certain data is stored. something that is wrote sequantially will be easier to access and and have faster read speeds. Its kinda like when a hard drive is defragmented, if you read about fragmented hard drive you will sorta get the point.
so a slower sd card would write data more like this (more sequentially) and have a faster random read write speed:
while a faster sd card would write data more like this (less sequentially and more fragmented) and have slower random read and write speed:
Random read and write is what is most important for integrity of your SD card.
so as you can see its easier to access information on the first picture then try to look around for information on the second picture.
here's also another site explaining this:
http://forum.xda-developers.com/showthread.php?t=1150369
Click to expand...
Click to collapse
Mainly sandisk and to a less extent some other ones are good at getting good random access and/or random read/write speeds.
---------- Post added 7th January 2012 at 12:19 AM ---------- Previous post was 6th January 2012 at 11:59 PM ----------
seansk said:
No, If you have a lower speed SD card it will write data more sequentially...think of it as a rectangle that gets filled up from left to right...lower speeds fill up the rectangle from left to right and in some instances jump around to write data on the middle end ect....higher speeds write data every where all at the same time...they don't have time to write it sequentially, they have to be fast...so they are fragmented more, than a slower speed sd carsd...there's also an index where it tells the card where in the rectangle a certain data is stored. something that is wrote sequantially will be easier to access and and have faster read speeds. Its kinda like when a hard drive is defragmented, if you read about fragmented hard drive you will sorta get the point.
so a slower sd card would write data more like this (more sequentially) and have a faster random read write speed:
while a faster sd card would write data more like this (less sequentially and more fragmented) and have slower random read and write speed:
Random read and write is what is most important for integrity of your SD card.
so as you can see its easier to access information on the first picture then try to look around for information on the second picture.
here's also another site explaining this:
http://forum.xda-developers.com/showthread.php?t=1150369
Click to expand...
Click to collapse
The distinction is very important in traditional disk-based systems, where each disk seek will take around 10ms. Sequentially writing data to that same disk takes about 30ms per MB. So if you sequentially write 100MB of data to a disk, it will take around 3 seconds. But if you do 100 random writes of 1MB each, that will take a total of 4 seconds (3 seconds for the actual writing, and 10ms*100 == 1 second for all the seeking).
---------- Post added at 12:24 AM ---------- Previous post was at 12:19 AM ----------
junkeeroo said:
OK, I think I've found an answer that seems logical and satisfies me:
"...the class system is indeed the minimum writing speed, but the story is a bit more complex. For cameras, I'd look at the sequential write speed (especially for video), and writing smaller files in sequence.
Random write speeds also depend on the memory controller, and are not a general-use scenario for photographers (your camera doesn't place pictures all over the card, it just starts at the beginning of the memory space)."
So sequential write speed seems to be the more important factor.
Sent from my HTC Amaze 4G using XDA App
Click to expand...
Click to collapse
YES that is correct, but remember you put other things on your SD card too like small files like apks, backups etc...so you need a good balance of both!!!! a class 2 has a minimum random read/write speed of 2 MB/s which is more than what our camera records at anyways... The sequential speed is usually faster maybe 5 or 6MB/s which is WAAAAAAAAAY more than what we need, for writing movies on our phones even at 1080p. on the other hand video cameras might write at a much higher bitrate than our phone and might need a faster SD card which is better at writing sequentially
Samsung's memory cards were updated late Wednesday with large-scale production one of the world's fastest microSD cards. The new 16GB microSDHC card runs at the same UHS-1 (Ultra High Speed-1) spec normally used for the latest full-size SD cards, giving it performance that would previously have been reserved for pro memory for DSLRs and video cameras. Sequential read speeds peak at about 80MB per second, or roughly four times the 21MB of regular microSD cards.
The storage is ostensibly meant for LTE-capable smartphones and tablets, where flash memory speed could bottleneck the connection. It should nonetheless be useful for cameras that take microSD storage and support UHS-1. Samsung reached the density through a combination of its more recent 20-nanometer manufacturing process to build 64-gigabit (8GB) chip layers as well as a toggle DDR2 interface that can saturate the newly available bandwidth.
Release schedules and prices weren't given out, although mass production usually precedes a launch within a few months or less.
Read [email protected]
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Do want.
Sweet!! I just picked up a 32GB microSD. If the speeds are noticeable better then I would consider purchasing
Sent from my SAMSUNG-SGH-I717 using XDA
me too kasanRio me tooooo *insert quiet yet evil laugh*
agent2702 I think they really will be much faster 20nm tech is like ssd or some ishh isn't it .. 80mb/sec is pretty nice
I honestly wouldn't need anything larger than 16 and I actually like when my gb of my card matches my phone's internal storage for a total "nice round number"
doubt I would ever record a movie bigger than that not with my phone anyways
That's great... I've seen the UHS-I technology in action on DSLRs and it's great. Makes a huge difference if fluid 720p recordings.
That said, UHS-I cards require UHS-I capable readers. Outside of DSLR cameras, very few devices have UHS-I capable readers, and such readers are rare even on PCs.
If you put in a UHS-I into a non-UHS-I capable reader, then it defaults to a lower speed. I had this discussion earlier when pursuing a Sandisk SD Card that had a UHS-I rating as a Readyboost card for my friend's netbook. Support said that since the netbook didn't have a UHS-I reader, the card speed didn't default to Class 10, but to class 6. So far, I believe this varies from card to card.
To sum this up, do we know if the Samsung Note has a UHS-I capable reader? As far as I know, this hasn't been advertised as a feature. Further, I'd surmise that since I haven't heard of people advertising software updates for their readers upgrading to UHS-I, I imagine readers need different hardware to be UHS-I capable.
BeAuMaN said:
That's great... I've seen the UHS-I technology in action on DSLRs and it's great. Makes a huge difference if fluid 720p recordings.
That said, UHS-I cards require UHS-I capable readers. Outside of DSLR cameras, very few devices have UHS-I capable readers, and such readers are rare even on PCs.
If you put in a UHS-I into a non-UHS-I capable reader, then it defaults to a lower speed. I had this discussion earlier when pursuing a Sandisk SD Card that had a UHS-I rating as a Readyboost card for my friend's netbook. Support said that since the netbook didn't have a UHS-I reader, the card speed didn't default to Class 10, but to class 6. So far, I believe this varies from card to card.
To sum this up, do we know if the Samsung Note has a UHS-I capable reader? As far as I know, this hasn't been advertised as a feature. Further, I'd surmise that since I haven't heard of people advertising software updates for their readers upgrading to UHS-I, I imagine readers need different hardware to be UHS-I capable.
Click to expand...
Click to collapse
I believe they are just calling them UHS class but all new tech based on the article . just stating that they are the equiv of digi cam cards speed and performance wise but for phones ..
@shoobie:
I appreciate the article, but, I'm going to attempt to clarify on what's required for UHS-I cards. Oh, sidenote, I didn't take enough time to look at the picture to note that the cards default to class 10, which is good .
Well, what they're saying is that UHS-I hasn't been effectively implemented into the microSDHC form factor yet, only the SDHC, as DSLRs and the like use SDHC cards or CF Cards (Since DSLRs often have enough room for a larger card reader, since you often lose performance and/or increase the price dramatically when you miniaturize components).
For UHS-I to work, according to the SD Part 1 Physical Layer Simplified Specification Version 3.01, it requires that both the host device and the card be UHS compliant. Summarizing off section 3.9.4... essentially in the past, host devices communicated with the SD card via 3.3 Volt signaling. UHS uses a special 1.8V signaling at a higher speed to communicate with UHS compatible cards.
Now, I'm no engineer, and I haven't gone through the document thoroughly enough, but as far as I can tell, it's not a soft update for the card reader, but a hardware update (or basically a new reader is needed) to be UHS compatible. This theory comes from the fact that I haven't seen anyone announcing card reader updates or flashes that allow their readers to now read UHS-I cards.
The real question is: Did Samsung have the foresight to equip our Galaxy Notes with UHS compatible readers?
Otherwise, they're just setting these cards up for the next generation of phones that will definitely be UHS compatible.
Not trying to be a party pooper, just saying >,>
BeAuMaN said:
The real question is: Did Samsung have the foresight to equip our Galaxy Notes with UHS compatible readers?
Click to expand...
Click to collapse
Someone here says that Samsung told them the Galaxy Note *does* support the UHS-1 microSD cards with their higher speeds.
Don57 said:
Someone here says that Samsung told them the Galaxy Note *does* support the UHS-1 microSD cards with their higher speeds.
Click to expand...
Click to collapse
Hope you don't mind my skepticism, but... after reading the post... it reads that "Samsung finally gsve me an answer, it is compatible. "... which doesn't really mean much. UHS-1 cards are compatible in older SD card readers, but said readers do not utilize the new higher speeds for the UHS-1 speed class.
Though, who knows, Samsung might... I'll try to contact them soon, though uh, who knows when I'll get a reply, anyone else want to give it a shot?
Remember, you don't want to ask if it's compatible, you want to ask if the reader is SD Card 3.0 compliant, and/or if it's a UHS-1 capable reader, and capable of reading UHS-1 cards are UHS-1 speeds.
BeAuMaN said:
Hope you don't mind my skepticism, but... after reading the post... it reads that "Samsung finally gsve me an answer, it is compatible. "... which doesn't really mean much. UHS-1 cards are compatible in older SD card readers, but said readers do not utilize the new higher speeds for the UHS-1 speed class.
Click to expand...
Click to collapse
My thoughts, exactly.
The guy did talk about buying such a memory card and experiencing faster speeds with it later down in the thread, though.
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Hello there,
After took my time to consider about what to buy and choiced the ZU, I am now looking at which MicroSD to put inside and got really attract by the sandisk extreme pro in 32Gb. In term of perf in both random and sequential transfer are top notch and as been proved to be even higher than the actual transfer rate given by Sandisk (tested on computer). I saw several benchmark and it was proven to have about 2 times the transfer rate of a sandisk microsd ultra on a galaxy SIII and Note 2.
Now I wonder about how does it work on the Xperia Z Ultra, anybody have this card and did run a bench?
bASKOU said:
Hello there,
After took my time to consider about what to buy and choiced the ZU, I am now looking at which MicroSD to put inside and got really attract by the sandisk extreme pro in 32Gb. In term of perf in both random and sequential transfer are top notch and as been proved to be even higher than the actual transfer rate given by Sandisk (tested on computer). I saw several benchmark and it was proven to have about 2 times the transfer rate of a sandisk microsd ultra on a galaxy SIII and Note 2.
Now I wonder about how does it work on the Xperia Z Ultra, anybody have this card and did run a bench?
Click to expand...
Click to collapse
http://www.androidpolice.com/2013/0...re-really-really-fast-with-benchmark-results/
See the above link. Unless the ultra supports UHS-1 you will get class 10 performance. You will still get quicker than the normal class 10 cards but your not going to get the full achievable performance out of the card.
baileyjr said:
http://www.androidpolice.com/2013/0...re-really-really-fast-with-benchmark-results/
See the above link. Unless the ultra supports UHS-1 you will get class 10 performance. You will still get quicker than the normal class 10 cards but your not going to get the full achievable performance out of the card.
Click to expand...
Click to collapse
Yes, I saw this test. I saw all of theme maybe ^^, reason why I came asking here if people have this card on the ultra. Some other phones give a better results.
Sent from my Nexus 7 using xda app-developers app
bASKOU said:
Hello there,
After took my time to consider about what to buy and choiced the ZU, I am now looking at which MicroSD to put inside and got really attract by the sandisk extreme pro in 32Gb. In term of perf in both random and sequential transfer are top notch and as been proved to be even higher than the actual transfer rate given by Sandisk (tested on computer). I saw several benchmark and it was proven to have about 2 times the transfer rate of a sandisk microsd ultra on a galaxy SIII and Note 2.
Now I wonder about how does it work on the Xperia Z Ultra, anybody have this card and did run a bench?
Click to expand...
Click to collapse
"Please be informed that UHS-1 (Ultra high speed) is equivalent to class 10. All UHS-1 memory cards have 10MB/s of minimum data transfer speed same as a class 10 card. There is no difference in the data transfer speeds of these memory cards and also they are identical in their technical specifications as well. All SDHC and SDXC class 10 memory cards that we are manufacturing are UHS-1 also."
Thats straight from Sandisk when i inquired a while back..
UHS-2 is 30MB/s
This is to be released 2014
hamdogg said:
"Please be informed that UHS-1 (Ultra high speed) is equivalent to class 10. All UHS-1 memory cards have 10MB/s of minimum data transfer speed same as a class 10 card. There is no difference in the data transfer speeds of these memory cards and also they are identical in their technical specifications as well. All SDHC and SDXC class 10 memory cards that we are manufacturing are UHS-1 also."
Thats straight from Sandisk when i inquired a while back..
UHS-2 is 30MB/s
This is to be released 2014
Click to expand...
Click to collapse
Anyway I didn't make this post for trolling about cards, just wanna know if someone actually use it on the ultra and have some results. Always so annoying to talking about memory cards because each person have his own way of thinking about it. I am not a newbie memory card user, I know the details and how it work. So no need to come and say things that are not at they place on this thread.
Sent from my Nexus 7 using xda app-developers app
bASKOU said:
Funny, really. I have already 3 different microsd class 10 from classic 8 gb to ultra 32 gb and I can tell that the transfer rate is really different. We are well in the 10 mb transfer rate guaranty but they can do far more than just this. I got big difference with swap partition on the 32gb ultra than the 32gb classic. Random and sequential access are grandly improved and same goes for the new extreme pro. And benchmarks on PC and Android show it too, or maybe everybody lie and bench are good to be throw on the recycle bin.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
I have the 64Gb sanDisk Ultra UHS-1
In my galaxy s4 (octa-core) i get 10-12 Mb/s...
in my old Note i get 10-14 Mb/s...
Bloody strange! and clearly depends on the device
hamdogg said:
"Please be informed that UHS-1 (Ultra high speed) is equivalent to class 10. All UHS-1 memory cards have 10MB/s of minimum data transfer speed same as a class 10 card. There is no difference in the data transfer speeds of these memory cards and also they are identical in their technical specifications as well. All SDHC and SDXC class 10 memory cards that we are manufacturing are UHS-1 also."
Thats straight from Sandisk when i inquired a while back..
UHS-2 is 30MB/s
This is to be released 2014
Click to expand...
Click to collapse
Its the devices that are holding these card back.. If you look at the test results on Androd police the cards are achieving much faster speeds in a card reader hooked up to a pc.
hamdogg said:
I have the 64Gb sanDisk Ultra UHS-1
In my galaxy s4 (octa-core) i get 10-12 Mb/s...
in my old Note i get 10-14 Mb/s...
Bloody strange! and clearly depends on the device
Click to expand...
Click to collapse
On HTC Sensation xe
Class 10 sandisk 8gb classic 10-12 Mb/s
Class 10 sandisk 32gb classic 10-16 Mb/s
Class 10 sandisk 32gb ultra 16-24 Mb/s
It is different! Root access modify read ahead and some other commands values and the ultra give better results. So if the phone can treat transfer better and modify some value that influence cache treatment and i/o database performances you can, with a better card have better transfer rate.
Sent from my Nexus 7 using xda app-developers app
bASKOU said:
On HTC Sensation xe
Class 10 sandisk 8gb classic 10-12 Mb/s
Class 10 sandisk 32gb classic 10-16 Mb/s
Class 10 sandisk 32gb ultra 16-24 Mb/s
It is different! Root access modify read ahead and some other commands values and the ultra give better results. So if the phone can treat transfer better and modify some value that influence cache treatment and i/o database performances you can, with a better card have better transfer rate.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
yeah of course i was rooted on both devices, but left the I/O read-ahead alone... but after the cache is gone, it still bottlenecks to the speed the card and device can handle. (I'm talking 100mb files for testing here)
I am looking more at the 64GB card
http://shop.sandisk.com/store/sdisk...?ClickID=bmkkezmuslngvemy1dkdfdmsyl6lzmdnzqvv
How does android handle SDXC? I have never used it before.
SÜPERUSER said:
I am looking more at the 64GB card
http://shop.sandisk.com/store/sdisk...?ClickID=bmkkezmuslngvemy1dkdfdmsyl6lzmdnzqvv
How does android handle SDXC? I have never used it before.
Click to expand...
Click to collapse
Android and new devices handle it very well. Old devices had trouble to handle 32gb but now it can take on 64gb without problem.
Sent from my Nexus 7 using xda app-developers app
bASKOU said:
Android and new devices handle it very well. Old devices had trouble to handle 32gb but now it can take on 64gb without problem.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Thank you, Im glad to hear that! Yes I remember the days when having an SD card in my android device back in 2010, from time to time I had to stick it in the computer and delete the partition with gparted to start all over.
Got my microSD extreme 32gb and here as attachment a sd card bench with the internal memory as well.
The internal memory speed is really amazing, no wonder why games launch so fast. And it clearly show that Sony gave us a really amazing sdcard reader, 41/31 show performances above of what a microSD ultra can give.
For those interested to bench your memory you can use A1 SD Bench available on play store. For test your sd card you need to set the directory manually. /storage/removable/sdcard1 and for more accurate results select long test.
Sent from my C6802 using Tapatalk 4
SÜPERUSER said:
I am looking more at the 64GB card
http://shop.sandisk.com/store/sdisk...?ClickID=bmkkezmuslngvemy1dkdfdmsyl6lzmdnzqvv
How does android handle SDXC? I have never used it before.
Click to expand...
Click to collapse
I used 64gb micro sd card in my old samsung galaxy s2. It worked fine with no problem. It will work in the Z Ultra also.
As mentioned in the Subject Title, Does Xperia Z2 Supports UHS-I Speed?
siregorash said:
As mentioned in the Subject Title, Does Xperia Z2 Supports UHS-I Speed?
Click to expand...
Click to collapse
Yup it does.
Using the following one now:
http://www.lexar.com/products/lexar...sdhc-microsdxc-uhs-i-cards-633x?category=5778
MasK said:
Yup it does.
Using the following one now:
http://www.lexar.com/products/lexar...sdhc-microsdxc-uhs-i-cards-633x?category=5778
Click to expand...
Click to collapse
(Surprised)
You serious? I have the same card running on my Note 3, I'm definitely dumping SM-N9005 for Xperia Z2 if it's true.
Really appreciate it if you can show a long bench screenshot.
(Excited)
siregorash said:
(Surprised)
You serious? I have the same card running on my Note 3, I'm definitely dumping SM-N9005 for Xperia Z2 if it's true.
Really appreciate it if you can show a long bench screenshot.
(Excited)
Click to expand...
Click to collapse
Sorry, what is long bench?
I don't think it's anything extraordinary for new phones to support UHS-I.
MasK said:
Sorry, what is long bench?
I don't think it's anything extraordinary for new phones to support UHS-I.
Click to expand...
Click to collapse
My meaning of long bench means:
Downloading A1 SD Bench or SD Card Tester to do a Benchmark.
A1 Bench (Long Bench)
SD Card Tester (To set file size to maybe 1000MB or 2000MB)
Anyways, Galaxy S5 doesn't support UHS-I Speed.
And I don't get what you mean by saying that, you don't think it's anything extraordinary for new phones to support UHS-I.
Quoted from (showthread.php?t=2708665)
Of course to say, All UHS-I cards are backward compatible. If your device doesn't supports UHS-I, It will downgrade itself to Class 10.
So, my question on the title is that, does Z2 support uhs-i speed. I'm not talking about if the phone supports the card.
Really sorry if I sound rude. I'm just trying to make things clearer.
My apologies for not giving enough information and background when I ask this question.
siregorash said:
My meaning of long bench means:
Downloading A1 SD Bench or SD Card Tester to do a Benchmark.
A1 Bench (Long Bench)
SD Card Tester (To set file size to maybe 1000MB or 2000MB)
Anyways, Galaxy S5 doesn't support UHS-I Speed.
And I don't get what you mean by saying that, you don't think it's anything extraordinary for new phones to support UHS-I.
Quoted from (showthread.php?t=2708665)
Of course to say, All UHS-I cards are backward compatible. If your device doesn't supports UHS-I, It will downgrade itself to Class 10.
So, my question on the title is that, does Z2 support uhs-i speed. I'm not talking about if the phone supports the card.
Really sorry if I sound rude. I'm just trying to make things clearer.
My apologies for not giving enough information and background when I ask this question.
Click to expand...
Click to collapse
Thanks for the clarification.
In that case, I would say I don't know if it supports UHS-I speed. It certainly supports the card though.
As for benchmarks, I can't seem to get it done. I think it's largely due to KitKat limitation. Is your N3 running on KitKat? Can you get the benchmark done?
MasK said:
Thanks for the clarification.
In that case, I would say I don't know if it supports UHS-I speed. It certainly supports the card though.
As for benchmarks, I can't seem to get it done. I think it's largely due to KitKat limitation. Is your N3 running on KitKat? Can you get the benchmark done?
Click to expand...
Click to collapse
Yup. My N9005 is running on 4.4.2.
Taken from wikipedia,
Version 4.4
Applications' write access to secondary storage (memory cards on devices with internal primary storage) is made possible but restricted to their designated private directories only, while full access to internal primary storage is still allowed through a separate application-level permission.
I'm able to do benchmark using A1 SD Bench.
If you were to do a custom location, you only can point to the sd card folder which the application has access to.
The lexar sdcard benchmark results on my N9005 is not good.
20MBps read and 12MBps write
I did a benchmark using the card and its usb 3.0 reader on my laptop and it reads 89.69MBps and writes 47.22MBps.
I got the card from newstead. I bought 3 actually. And all 3 of them gave the same android & laptop results.
Finally, I really thinks that Z2 is amazing and I will definitely switch phone if it does support uhs-i sd card speed.
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Here it is.
Sent from my D6503 using Tapatalk
MasK said:
Here it is.
Sent from my D6503 using Tapatalk
Click to expand...
Click to collapse
Wow, that's like double of mine. Thanks.
I've got my answer to whether to purchase Z2 or not.
I don't think that is UHS speed. I am using a class 10 and also get roughly the same benchmarks.
https://www.dropbox.com/s/cmxa7rtt5wlbjs7/Screenshot_2014-04-18-05-15-28.png
Seifer1975 said:
I don't think that is UHS speed. I am using a class 10 and also get roughly the same benchmarks.
https://www.dropbox.com/s/cmxa7rtt5wlbjs7/Screenshot_2014-04-18-05-15-28.png
Click to expand...
Click to collapse
Well your microsd is uhs-i because prior to uhs, microsd maximum speed is 25MBps.
Your read speed is physically impossible without uhs bus speeds.
Uhs-i has a 50MBps and 104MBps version. Looks like our phone is topping out at 50 which means it only supports sdr50 or ddr50.
xsacha said:
microsd maximum speed is 25MBps.
Click to expand...
Click to collapse
It means 25MBps in read or write?
EDIT: It means 25MB/s transfer, no matter read or write. With Toshiba Exceria 16G I have 38,8 MB/s read and 22,5 MB/s write.
xsacha said:
Well your microsd is uhs-i because prior to uhs, microsd maximum speed is 25MBps.
Your read speed is physically impossible without uhs bus speeds.
Uhs-i has a 50MBps and 104MBps version. Looks like our phone is topping out at 50 which means it only supports sdr50 or ddr50.
Click to expand...
Click to collapse
But mine just says class 10 on the card.
Unlike the Note 3, which has USB 3.0, the Z2 only has a USB 2.0 connector, so you're going to be capped transfer speed-wise.
Sony Xperia Z2 + SanDisk Extreme PLUS UHS-I
Hey guys! Here is my test of Z2 with SanDisk Extreme PLUS UHS-I 64Gb
Honestly, I've expected faster Reading.
hi my SanDisk mobile ultra sdsdqu-16g-u46a
Sent from my D6503 using XDA Free mobile app
biniek said:
hi my SanDisk mobile ultra sdsdqu-16g-u46a
Sent from my D6503 using XDA Free mobile app
Click to expand...
Click to collapse
That's 34.8 for read and 14.4 for write (Internal SD Card). Sometimes this benchmark shows incorrect names/sections. But you won't be fooled if you'll check the size of memory in the description.
http://forum.xda-developers.com/showpost.php?p=52960867&postcount=4
So what micro sdcards are people using as i need a new one want 32GB at least. Does it support 64? Preferably an amazon link!
link below, you can go 64gb or 128gb if you like. on 4.4.2 you might have to do the KK SDcard fix, which is simply editing a file in permissions and allowing RW access to the sd card. Might be the same for Lollipop, but I'm not there yet on my phone.
One thing I did find is that I get lag if I stick loads of music on there and use the stock app, so I use rocket player as it handles that better.
http://www.amazon.co.uk/Samsung-Gra...&qid=1417015931&sr=8-1&keywords=64gb+micro+sd
mjb152 said:
link below, you can go 64gb or 128gb if you like. on 4.4.2 you might have to do the KK SDcard fix, which is simply editing a file in permissions and allowing RW access to the sd card. Might be the same for Lollipop, but I'm not there yet on my phone.
One thing I did find is that I get lag if I stick loads of music on there and use the stock app, so I use rocket player as it handles that better.
http://www.amazon.co.uk/Samsung-Gra...&qid=1417015931&sr=8-1&keywords=64gb+micro+sd
Click to expand...
Click to collapse
Thanks will grab one is the 128gb working ?
Sent from my LG-D855 using XDA Free mobile app
I haven't tested it, but I read that it worked fine. It's slightly outside my price point at the moment, once they drop a little buy one.
mjb152 said:
I haven't tested it, but I read that it worked fine. It's slightly outside my price point at the moment, once they drop a little buy one.
Click to expand...
Click to collapse
Thanks Man!
I'm using this one without any problems
http://www.amazon.co.uk/SanDisk-mic...&qid=1417045833&sr=8-3&keywords=64gb+micro+sd
I think I read somewhere that the G3 actually supported up to 3TB SD cards ! (And yes, I know there's no card that big, but it just means it works ! )
Just get any class 10 sd card.
Just as a PSA, Best Buy is having a pretty good sale on Samsung micro sd cards. I got a 64gb "evo" for $25. Steady write rate, according to us file explorer, on 40mbps.
I can finally explore some 4k recording.
Sdcards for LG G3
In most regions the LG G3 comes with a hearty 32GB of internal storage, leaving nearly 25GB for you to use as you wish. As is often the case, one size never fits everyone — and if you need more than 32GB in your mobile device, you'll have to resort to using an external SD card to expand it. The LG G3's MicroSD card slot supports up to 128GB cards, giving you more room than you'd likely ever be able to fill.
Got my self a great deal on amazon for a 32GB card £13
Sent from my LG-D855 using XDA Free mobile app
I can recommend mymemory.co.uk. they aren't scroungers like Amazon and their prices are much better!
Since I'm newly out of iPhone world, and into LG G3, Android and sdcards ... and I already had a problem with bad 32gb (fake chinese) SunDisk sdcard, which could write to it , but every file wouldd in a day or two get corrupted .. When I inserted the old (and slow) 16gb card , it works as it should...
But, could You refer me or explain, what can / can't I put on the card in my LG D858hk, with 4.4.2. Android. What can I do on stock LG Android, and what with rooting ?
Also, recommend some good quality 32gb at least , preferably 64gb ... since I am a massive hoarder of music etc.
babaroga73 said:
Since I'm newly out of iPhone world, and into LG G3, Android and sdcards ... and I already had a problem with bad 32gb (fake chinese) SunDisk sdcard, which could write to it , but every file wouldd in a day or two get corrupted .. When I inserted the old (and slow) 16gb card , it works as it should...
But, could You refer me or explain, what can / can't I put on the card in my LG D858hk, with 4.4.2. Android. What can I do on stock LG Android, and what with rooting ?
Also, recommend some good quality 32gb at least , preferably 64gb ... since I am a massive hoarder of music etc.
Click to expand...
Click to collapse
You can put whatever you want on your sd card but id just use it for pictures and music etc. As for root its the equivalent of heartbreaking on ios there is plenty out there id do research before doing anything to do with root or bump. And for sdcard just get one with a good r/w speed and your golden i got a 32gb samsung evo card from amazon for aroung £15 they also go upto 64gb
Neurom707 said:
You can put whatever you want on your sd card but id just use it for pictures and music etc. As for root its the equivalent of heartbreaking on ios there is plenty out there id do research before doing anything to do with root or bump. And for sdcard just get one with a good r/w speed and your golden i got a 32gb samsung evo card from amazon for aroung £15 they also go upto 64gb
Click to expand...
Click to collapse
Jailbreaking :good:
Just bought a sandisk 32gb reads 48mb/s
Sent from my LG-D850 using XDA Free mobile app
128gb card
I've been using a Sandisk 128GB card for a couple of months now. Currently about half full with music. Reads / writes fine with no discernible real world difference compared to the 16GB card I had previously.
Can't say how it might work with stock, I am Rooted and booted using Cyanogenmod 12 by Manupse. No complaints.
sasaphrazz said:
Just bought a sandisk 32gb reads 48mb/s
Sent from my LG-D850 using XDA Free mobile app
Click to expand...
Click to collapse
How much you pay for it?
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3D and Full HD Video Recording
Class 10 UHS-1 Grade 1
Up to 70MB/s read (UHS-1 Interface), Up to 20MB/s write (UHS-1 Interface)
Extreme Speed with UHS-1 enabled (3x faster then typical micro-SD)
Best pricing is at Newegg for about $54.95, Amazon has the next best price at $58.96
You can't go wrong with Samsung microSDXC cards! They just Rock!
Nibiru2012 said:
3D and Full HD Video Recording
Class 10 UHS-1 Grade 1
Up to 70MB/s read (UHS-1 Interface), Up to 20MB/s write (UHS-1 Interface)
Extreme Speed with UHS-1 enabled (3x faster then typical micro-SD)
Best pricing is at Newegg for about $54.95, Amazon has the next best price at $58.96
You can't go wrong with Samsung microSDXC cards! They just Rock!
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From what I understand, the Samsung Pro cards are great. The one you posted is the last generation one. The current one is rated at up to 90MBps read and up to 50MBps write, and isn't that much more at $59.99.
http://www.amazon.com/Samsung-Class-Adapter-MB-MG64DA-AM/dp/B00IVPU88U
This being said, people tend to prefer the Samsung EVO cards for phone use. They're substantially less expensive ($35.79 shipped):
http://www.amazon.com/Samsung-Class-Adapter-MB-MP64DA-AM/dp/B00IVPU7AO
The reason people tend to prefer the less expensive EVO cards is their faster 4k random read/write speeds, which is arguably the most important aspect for phone use.
Here's the 64GB Samsung EVO micro SD:
Here's the 64GB Samsung Pro micro SD:
If you're using it in a camera, 4k camcorder, or transferring big files, I can see preferring the Pro. Then again, you can get the very similar PNY Turbo 64GB card (up to 90MBps read) for $27.99 shipped right now, which is less than 1/2 the price.
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=9151773