Hi guys
I'm looking to buy a Micro sd card, samsung 32GB, class 10
So my questions are:
1- If someone already using sd card just like this one, tell me is it working fine with your android device?
2- Do you think that patriot or some other manufacturer cards are better then samsung?
3- Does your phone in some cases really feals faster with an sd card with bigger class number ( does reading speed of your card effect phone's speed? )
4- I heard that class 6 ( 6 MBps ) is more than enough for android devices, and also that some class 10 cards slow down a device, is it true?
5- Will i ever have enough memory on my phone
I know that there are the same threads on forum somewhere, but i need answers quickly and thats why im opening this one..
Marchello1 said:
Hi guys
I'm looking to buy a Micro sd card, samsung 32GB, class 10
So my questions are:
1- If someone already using sd card just like this one, tell me is it working fine with your android device?
2- Do you think that patriot or some other manufacturer cards are better then samsung?
3- Does your phone in some cases really feals faster with an sd card with bigger class number ( does reading speed of your card effect phone's speed? )
4- I heard that class 6 ( 6 MBps ) is more than enough for android devices, and also that some class 10 cards slow down a device, is it true?
5- Will i ever have enough memory on my phone
I know that there are the same threads on forum somewhere, but i need answers quickly and thats why im opening this one..
Click to expand...
Click to collapse
1. It works fine.
2. It just user preference. Their both great.
3. Reading and writing to the SD card will be faster. It won't affect phone speed unless your device is using certain mods such as swaps, int.ext. sd swaps, etc. or you have apps on your SD card.
4. While class 6 may be quite fast for a device, there is no way a class 10 could be slower.
5. That's up to you .
tnx Theonew
if i understood it well, an app called swapper 2 can allow device to use some memory from partitioned sd card like a ram memory and provide it a slightly better multitasking, and speed.. ?
And i have read that it can also affect an sd card's life..
So, is it worth it?
Marchello1 said:
tnx Theonew
if i understood it well, an app called swapper 2 can allow device to use some memory from partitioned sd card like a ram memory and provide it a slightly better multitasking, and speed.. ?
And i have read that it can also affect an sd card's life..
So, is it worth it?
Click to expand...
Click to collapse
Yes, swapping can degrade the life of the SD card but it is worth it if your device is a low-end one (and slow). It will assist in stuff like gaming, etc.
No, I really don't think its worth it. It really affects the cards life and does not really add much ram, even for slow phones...
Sent from my GT-I8150 using xda app-developers app
krismerful said:
No, I really don't think its worth it. It really affects the cards life and does not really add much ram, even for slow phones...
Sent from my GT-I8150 using xda app-developers app
Click to expand...
Click to collapse
An additional 256mb is quite a lot compared to 192mb (total).
Quick benchmark of Samsung SD card class 10 in the ASUS Transformer TF101.
Code:
[email protected]:/home/kuisma# hdparm -t /dev/block/mmcblk1p2
/dev/block/mmcblk1p2:
Timing buffered disk reads: 60 MB in 3.09 seconds = 19.43 MB/sec
Reference, the internal nand flash (/data partition):
Code:
[email protected]:/home/kuisma# hdparm -t /dev/block/mmcblk0p7
/dev/block/mmcblk0p7:
Timing buffered disk reads: 52 MB in 3.10 seconds = 16.79 MB/sec
If comparing read vs write, large blocks vs small, sequential vs random etc, the SD Cards wins a few times, the internal flash a few. It's more or less a draw. I would say this SD card got "good enough" performance, although far from SSD performance.
good enough for smartphone
are you talking about solid state disk?
Sent From Xperia Arc Using Xda Premium!
Marchello1 said:
are you talking about solid state disk?
Click to expand...
Click to collapse
"SSD" was referring to "solid state disk", yes.
i found one for a 40€, micro sd, 32 gb class 10, its a good price here, im buying it next week
Sent From Xperia Arc Using Xda Premium!
Related
hey all, i was just wondering if anyone knows the differences between the tests that crystaldiskmark does to test the speed of a storage device.
there are 4 different tests: sequential, 512k, 4k, and 4kQD32. read and write tests for each type of test.
thanks!
EDIT: heres a screenshot of my results:
I can't tell you about all of them, but sequential writes are what your card class is all about. A class X card is supposed to write a minimum of X MB/s. Your class 6 is writing well above its rating, congrats.
The other I can mention is 4kQD32 writes -- according to the Nook Color folks, it's very helpful for performance of SD installs of Android, so if we ever get an sd install here, hold on to that card. Higher class cards, 6 and 10, often do horrible in that 4k writes category. Class 2 and 4 Sandisks seem to have the best track record, but your transcend isn't half bad, and my best 4k writer is a no name card that outperforms my other 2 sandisks and a samsung. Source.
fortunz said:
I can't tell you about all of them, but sequential writes are what your card class is all about. A class X card is supposed to write a minimum of X MB/s. Your class 6 is writing well above its rating, congrats.
The other I can mention is 4kQD32 writes -- according to the Nook Color folks, it's very helpful for performance of SD installs of Android, so if we ever get an sd install here, hold on to that card. Higher class cards, 6 and 10, often do horrible in that 4k writes category. Class 2 and 4 Sandisks seem to have the best track record, but your transcend isn't half bad, and my best 4k writer is a no name card that outperforms my other 2 sandisks and a samsung. Source.
Click to expand...
Click to collapse
All right thanks. Its weird though I was just trying to copy a huge amount of files to my sd card (about 6.5 gb) and it was writing at like 3 mb's per second. Does the size of the transfer affect the write speed since this test was only using a 50 mb file?
Sent from my Nook Tablet using XDA PREMIUM
Copying lots of little files, in my experience, goes slower than copying a single large file. When I copy a video onto my card, I get close to the max speed. When I copy directories full of files, anything goes.
fortunz said:
Copying lots of little files, in my experience, goes slower than copying a single large file. When I copy a video onto my card, I get close to the max speed. When I copy directories full of files, anything goes.
Click to expand...
Click to collapse
Ok well I guess this sd card isn't all too bad then... really wanting to get a 32 gb card but trying to wait until I can get a better deal for it... you think a sandisk class 4 32 gb is good enough for games and videos?? I haven't seen any class 6 32 gb cards anywhere... not even sure if they exist...
Sent from my Nook Tablet using XDA PREMIUM
ShinnAsuka said:
you think a sandisk class 4 32 gb is good enough for games and videos??
Click to expand...
Click to collapse
I have a SanDisk Class 4 32 gb card for my Nook Tablet and it seems to work fine for games like GTA3, Angry Birds, etc. as well as .avi movies.
I tend to agree with Nookie. Depending on its actual performance (sandisks often outperform their minimum write rating, but not always), it might be frustrating to copy the files over, but viewing videos and playing games will work just fine even on a class 2. Fast sequential read speeds are easy to come by, and frankly they don't have to be all that fast to view even HD video. Your games are going to load into ram and play from there and perform just fine.
Hi guys, jus wanna knw if there is any difference in the performance of the phone (other than jus transferring files to n from pc) according to the class of the sd card?
Thanx
Sent from my Nexus One using Tapatalk
Yes there is. The class tells you the transfer speed for witch the card is rated.
For example, my card is class 10. That means that its capable of transfer speeds of up to 10mb/s. Same for others.
Sent from my GT-S5660 using XDA App
So that transfer speed of 10 mbps refers to the speed @ which files are being transferred to n from pc right?
My question is apart from that will it affect the performance of phone when i hv apps in ext (a2sd)
Sent from my Nexus One using Tapatalk
Yes, speed class is guaranteed write-to-card speed in megabytes/second (read speed is usually even higher). Obviously, the bigger class, the better, but high-class also much pricier. And you unlikely too see much speed difference if you just want to put some apps on SD card (well, depends on the app - some games are 300Mb+, and you'd see the difference).
But if you for example want to watch movies on your phone, you may find that slow speed class, like 2, is a pita to wait for while a movie transfers from your pc ;-). Class 10 would be a real hit then (especially if you write files using a cardreader, it may be not as good via USB to a phone).
Hv a class 2 1gb card, planning to get class 6 8gb card. So i should see significant performance improvements while havin ext partition right?
Sent from my Nexus One using Tapatalk
I know, i can have external memory, but it is slow comparing to NAND internal memory
How much of internal memory will left after all the system? 11GB?
On my galaxy s 16gb (rough comparison) SD card partition is 13.4 and app partition is 1.8. Rest is system partitions.
Touchwiz will probably take a bit more and Samsung may partition differently.
Its enough for me end up with 4gb free
With 5gb music.
Sent from my SGH-T959 using Tapatalk 2
if i read it right the built in 16 gb will have 10.5 gb usable as internal sd which is 1 gb lesser than my sgs2. Thank god sgs3 has the sdcard slot .
bala_gamer said:
if i read it right the built in 16 gb will have 10.5 gb usable as internal sd which is 1 gb lesser than my sgs2. Thank god sgs3 has the sdcard slot .
Click to expand...
Click to collapse
I am getting the 64gb version plus the 64gb SD XC card I got now....128gb heaven....
pachi72 said:
I am getting the 64gb version plus the 64gb SD XC card I got now....128gb heaven....
Click to expand...
Click to collapse
Do you really carry 128 gb of data's with your phone. Then get a extra battery too.
Sent from my HTC One X using Tapatalk 2
forumhookersdotcom said:
Do you really carry 128 gb of data's with your phone. Then get a extra battery too.
Sent from my HTC One X using Tapatalk 2
Click to expand...
Click to collapse
Yes I do.. And that data is my music.. I don't like cloud streaming at all.
sent from a 96gb N7000
Taken from http://forum.xda-developers.com/showthread.php?p=25767422#post25767422
Partition sizes:
/system: 1G (might more: df command rounding error), 315Mb Free.
/data: 11G (shared with /sdcard, pure Ext4)
/cache: 1G
Mount options: optimized Ext4 settings (same as those introduced in Voodoo lagfix)
Sd Cards & additional storage.
Internal: /mnt/sdcard
External: /mnt/extSdCard
USB sticks: /mnt/UsbDriveA to FAK8975C
Click to expand...
Click to collapse
Damn ill take a 16 gb and 16 ext. Also the ext battery but deff not both 64.
Where have you seen info about extended batteries?
I never use more than 3 gig on my phone so 16 gig is plenty. Out of the 3 gig that I use, most of it is ROMs and kernels that are on it
... ... ...
I'll be happy with the 16GB one, already have a 32GB card but i may get a 64GB card too.
Yes. Put a 62 GB SD card in it and there you have it you will never run out of storage. Plus you can utilize the Dropbox Storage they give u
---
To each their own.
I think I'll buy a 32 Gb phone and buy an sd later as and when required. (Since internal memory is faster)
Sent from my HTC Desire using XDA
CoNsPiRiSiZe said:
Yes. Put a 62 GB SD card in
Click to expand...
Click to collapse
You meant 64 GB
i think ill grab a 16GB version of the GS3..already have class 4 32GB never used it had it on my note but i returned it due to pixel issues..still a virgin but now i might get the higher speed sandisk 64GB.. that way when i get new Nexus/NOTE2/GS4 ect.. ill just buy the ones that have the lowest GB built inn and just popped the 64GB.. im good with a built in 16GB..got to love this SD slots coming from a iphone/ipad user..still like my apple stuff but its time for a change
question ? whats faster internal memory or the new Sandisk card when the phone reads it..i mean the Sandisk reads 30mb sec* i mean that plenty fast already..will there be a big difference when the phone reads the internal memory or the SD high read cards.?
will my class 4 32GB work good enough on the GS3? will there be like a little lag due to its a calss 4? or thats good enough?
markysd said:
i think ill grab a 16GB version of the GS3..already have class 4 32GB never used it had it on my note but i returned it due to pixel issues..still a virgin but now i might get the higher speed sandisk 64GB.. that way when i get new Nexus/NOTE2/GS4 ect.. ill just buy the ones that have the lowest GB built inn and just popped the 64GB.. im good with a built in 16GB..got to love this SD slots coming from a iphone/ipad user..still like my apple stuff but its time for a change
question ? whats faster internal memory or the new Sandisk card when the phone reads it..i mean the Sandisk reads 30mb sec* i mean that plenty fast already..will there be a big difference when the phone reads the internal memory or the SD high read cards.?
will my class 4 32GB work good enough on the GS3? will there be like a little lag due to its a calss 4? or thats good enough?
Click to expand...
Click to collapse
No, there won't be any lag
Class 4 is good ....
Sent from my Xperia Ray using xda premium
I'll buy 32GB SGS3
Sent from my Xperia Ray using xda premium
markysd said:
i think ill grab a 16GB version of the GS3..already have class 4 32GB never used it had it on my note but i returned it due to pixel issues..still a virgin but now i might get the higher speed sandisk 64GB.. that way when i get new Nexus/NOTE2/GS4 ect.. ill just buy the ones that have the lowest GB built inn and just popped the 64GB.. im good with a built in 16GB..got to love this SD slots coming from a iphone/ipad user..still like my apple stuff but its time for a change
question ? whats faster internal memory or the new Sandisk card when the phone reads it..i mean the Sandisk reads 30mb sec* i mean that plenty fast already..will there be a big difference when the phone reads the internal memory or the SD high read cards.?
will my class 4 32GB work good enough on the GS3? will there be like a little lag due to its a calss 4? or thats good enough?
Click to expand...
Click to collapse
San disk 64gb is class 6
sent from a 96gb N7000
NAND memory, the integrated one, is the one used in SSD disks. It is faster than SD cards
Hi
Please any one live in Jordan-ME
Help me with SdCard
I want 8GB or 16GB SDcard for my XM ?
How much will cost me and any advice before i buy it ?
Sent from my ST15i using xda app-developers app
hejawi said:
Hi
Please any one live in Jordan-ME
Help me with SdCard
I want 8GB or 16GB SDcard for my XM ?
How much will cost me and any advice before i buy it ?
Sent from my ST15i using xda app-developers app
Click to expand...
Click to collapse
Don't know how much will it cost.
Priority is card speed. Higher class is faster: http://en.wikipedia.org/wiki/Secure_Digital#Speed_Class_Rating
dont know the cost...my advice go for sandisk HC mem card class6 or a class 10...ur phone performance vl increase gradually ..
iam using a class 6 16gb my xpm is pretty faster than before.
sandy7 said:
dont know the cost...my advice go for sandisk HC mem card class6 or a class 10...ur phone performance vl increase gradually ..
iam using a class 6 16gb my xpm is pretty faster than before.
Click to expand...
Click to collapse
Phone performance isn't affected by SDcard.
The only difference you can see is when you read/write files from SD, nothing more.
Web browsing doesn't get faster with higher class SDcard. Calling doesn't get better with higher class SDcard.
And Class 4 is enough for Android, I've never had problems with it and the speed is enough for me.
Someguyfromhell said:
Phone performance isn't affected by SDcard.
The only difference you can see is when you read/write files from SD, nothing more.
Web browsing doesn't get faster with higher class SDcard. Calling doesn't get better with higher class SDcard.
And Class 4 is enough for Android, I've never had problems with it and the speed is enough for me.
Click to expand...
Click to collapse
If you want to copy about 4 GB of data to SD from PC with class4 card and then copy same file/s to class10 card the time is a lot shorter with class10!
This is why many people use higher card class.
And when you want to have system in externel memory* this require minimum class6 card to avoid lags.
* e.g. HTC HD2
my Sdcard is 16GB class 10 (sillicon power) and write speed is 8 - 9 MB/s and read speed is 16 - 17 MB/s , this is very nice SDcard
Someguyfromhell said:
Phone performance isn't affected by SDcard.
The only difference you can see is when you read/write files from SD, nothing more.
Web browsing doesn't get faster with higher class SDcard. Calling doesn't get better with higher class SDcard.
And Class 4 is enough for Android, I've never had problems with it and the speed is enough for me.
Click to expand...
Click to collapse
I agree with u...but music player and video playback performance increases...and also after a reboot when u have apps installed in the sd it loads faster in the app drawer.
Sent from my SK17i using XDA App
I think you should use SD 8GB :laugh:
Hi,
What I'm trying to find out is would using just an in-built memory on an Android phone be generally faster than SD usage? I'm particularly interested in using an Android phone as a sole media device. With a 32GB SD I'm generally not happy with speeds etc. Would getting a 32GB device with that memory on the device improve data transfer with the computer and accessing the data on the phone?
Thanks for any info. that helps me understand! :good:
SharpnShiny said:
Hi,
What I'm trying to find out is would using just an in-built memory on an Android phone be generally faster than SD usage? I'm particularly interested in using an Android phone as a sole media device. With a 32GB SD I'm generally not happy with speeds etc. Would getting a 32GB device with that memory on the device improve data transfer with the computer and accessing the data on the phone?
Thanks for any info. that helps me understand! :good:
Click to expand...
Click to collapse
In the general case, a Class 10 SDcard got about the same speed as the internal (mtd or mmc) disk.
kuisma said:
In the general case, a Class 10 SDcard got about the same speed as the internal (mtd or mmc) disk.
Click to expand...
Click to collapse
This. Not all SD Cards are the same. Make sure yours is a class 10 card and not one of the slower versions.
I did start to have a look at that recently. I'm using a class 4. I seen you can get a class 10 very cheap now, compared to a few years ago. I purchased the 32GB SD as a (minor purchase) test to see how well it works. I think it has potential, but in transfer speeds, my iPod still kicks ass. It can transfer a song per second, but at the moment, my Android phone transfers 1 song every 4 seconds.
If it would make a significant performance boost in this area, I'll definitely try that class 10!
Something like this?
http://www.ebay.ie/itm/221087900172?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
http://www.ebay.ie/itm/320956174043?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
In-built memory is the fastest but these days Class 10 SD cards are very near the W&R speed of in-built memory.
So try buying a quality Class 10 SD card and im sure you will have better experience with it.
Hreidmar said:
In-built memory is the fastest [...]
Click to expand...
Click to collapse
Not necessary: http://forum.xda-developers.com/showpost.php?p=29289018&postcount=7