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[ABT]Kingston 32 GB microSD Class 10 Card Review - Page 2

post #11 of 19
Thanks! Now I know for my galaxy S2 phone a 10 is not needed
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post #12 of 19
Quote:
Originally Posted by bojinglebells View Post
not for fast cameras or higher resolution video recording
Whats the point in having 32 GB if you can't record a lot? My 16GB internal memory gives the same maximum recording time for one video as my 32GB class 10 card? The file system restrictions apply ...
 
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post #13 of 19
Quote:
Originally Posted by KoukiFC3S View Post
Seems like the class 2 is plenty fast.
Not for HD recording.
Quote:
Originally Posted by Wishmaker View Post
Whats the point in having 32 GB if you can't record a lot? My 16GB internal memory gives the same maximum recording time for one video as my 32GB class 10 card? The file system restrictions apply ...
Class 10 is supposed to be 10MB/s write speed.


Which on this note:



This SD card is VERY clearly broken and not working correctly. Something is awry here. That class 10 should be writing at 10MB/s and reading around 20-30.
    
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post #14 of 19
Quote:
Originally Posted by Viridian View Post
Not for HD recording.


Class 10 is supposed to be 10MB/s write speed.


Which on this note:



This SD card is VERY clearly broken and not working correctly. Something is awry here. That class 10 should be writing at 10MB/s and reading around 20-30.

Maybe I was not clear. My N8 has 12 GB of free internal memory and 26GB on my microSD. The limit on both is 50mins and 52 seconds. Logically, I should record way more on the memory card from one go but as I said, filesystem limitations impose a restriction when it comes to recording.
 
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post #15 of 19
Quote:
Originally Posted by Wishmaker View Post
Maybe I was not clear. My N8 has 12 GB of free internal memory and 26GB on my microSD. The limit on both is 50mins and 52 seconds. Logically, I should record way more on the memory card from one go but as I said, filesystem limitations impose a restriction when it comes to recording.
Yes and no.

FAT32 limits the filesize of any file to 4GB (as I hope we all know) yet you're limited to 50 minutes on your phone, whereas mines around 1h45m.

EDIT:

Also, Class 2 won't do 720p HS recording because it requires at least 3MB/s to record properly. I have a class 6 that'll write at 8MB/s and some class 2's that'll write at 6MB/s, but then I also have class 2's that barely go over 2MB/s.
Edited by Viridian - 8/23/11 at 7:14am
    
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post #16 of 19
Quote:
Originally Posted by Wishmaker View Post
Whats the point in having 32 GB if you can't record a lot? My 16GB internal memory gives the same maximum recording time for one video as my 32GB class 10 card? The file system restrictions apply ...
for maximum storage

you can record a lot, the problem is you have to break up the recordings because of FAT

the Class rating of an SD card is all about minimum guaranteed write speed, to be able to record 720p or 1080p at all (ie even just a few minutes) or say shoot high speed 12MP photos, you need a minimum write speed

you don't need a fast SD card if you're just snapping a ton of individual photos or storing a ton of music/video
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post #17 of 19
Quote:
Originally Posted by bojinglebells View Post
for maximum storage

you can record a lot, the problem is you have to break up the recordings because of FAT

the Class rating of an SD card is all about minimum guaranteed write speed, to be able to record 720p or 1080p at all (ie even just a few minutes) or say shoot high speed 12MP photos, you need a minimum write speed

you don't need a fast SD card if you're just snapping a ton of individual photos or storing a ton of music/video
Just to note, that's why I've pointed out the waaaaaaaaay under achievementing-ness of this review. A class 10 card that barely gets over 5MB/s? I'd be asking for a refund.

I dunno if Wishmaker doesn't know or is trying to say something else entirely, but especially for anyone using A2SD+ or Data2EXT with their Android phone, a Class 10 card means better I/O and therefore a speedier ROM.

It also means a higher guaranteed write speed for things like HD videos, high resolution photos, as well as access to the card itself when dumping music on it. Class 10, copying 4GB or a class 2 copying 4GB? I know which I'd rather wait for!
    
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post #18 of 19
Quote:
Originally Posted by Viridian View Post
Yes and no.

FAT32 limits the filesize of any file to 4GB (as I hope we all know) yet you're limited to 50 minutes on your phone, whereas mines around 1h45m.

EDIT:

Also, Class 2 won't do 720p HS recording because it requires at least 3MB/s to record properly. I have a class 6 that'll write at 8MB/s and some class 2's that'll write at 6MB/s, but then I also have class 2's that barely go over 2MB/s.
The MyTouch 4G records 1080p at 10Mbps, which is 1.25MBps. So a class 2 is plenty fast.

Source: http://www.anandtech.com/show/4559/t...phers-wanted/8
post #19 of 19
Thread Starter 
Quote:
Originally Posted by KoukiFC3S View Post
The MyTouch 4G records 1080p at 10Mbps, which is 1.25MBps. So a class 2 is plenty fast.

Source: http://www.anandtech.com/show/4559/t...phers-wanted/8
It won't work in 1080p camcorders. Some of those bitrates go upwards of 25 Mbps
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