Database Develop

[Q] Class 10 microSD: Can the Galaxy S utilize it?

Hi al,
Does anyone know whether the Samsung Galaxy S (I9000) would actually profit from a Class 10 microSD? Can it utilize the read/write speed of these microSD's?
If not, what is the max. class which the Galaxy S would actually use to its fullest?
Greetings,
Evert

of course it will
this is one of the fatest phone ever
if you have an External class 4 vs another External class 6 card inside this phone then you copy stuff with Astro File inside the phone you'll notice the difference in speed
and then if you compare the class 6 vs a class 10 external you'll see even more difference
this will be very important when Froyo comes out and we can finally use App2SD, as the apps will write and load faster to & from the SD on a class 10 than a class 6 or 4
don't even bother with a class 2 it'll be painful slow
and that comes by experience running apps on SD on all my previous phones

AllGamer said:
of course it will
this is one of the fatest phone ever
if you have an External class 4 vs another External class 6 card inside this phone then you copy stuff with Astro File inside the phone you'll notice the difference in speed
and then if you compare the class 6 vs a class 10 external you'll see even more difference
this will be very important when Froyo comes out and we can finally use App2SD, as the apps will write and load faster to & from the SD on a class 10 than a class 6 or 4
don't even bother with a class 2 it'll be painful slow
and that comes by experience running apps on SD on all my previous phones
Click to expand...
Click to collapse
What?
Are you basing this on a test, or are you just assuming that the class 10 microSD is theoretically faster then class 6 ?
Biased on that tech specification your making an assumption that we should get this class 10?
The question is weather or not the SGS Vibrant Bus and Data lines can transfer speeds of 80Mbits/s through the MicroSD card slot??
* Class 2: 16 Mbit/s (2 MB/s)
* Class 4: 32 Mbit/s (4 MB/s)
* Class 6: 48 Mbit/s (6 MB/s)
* Class 10: 80 Mbit/s (10 MB/s)
I would say lets buy them and test it out.

I just had 6MBs towards my internal and 5MBs towards my external sd card at the same time trough the usb connector while the sd is a class 2 =p
The sgs would stil benefit from a class 10 i bet

I have just placed an order for a Kingston SDC10/16GB.
What would be an accurate way to measure read/write speed once this card is in my phone? Simply hook it up to PC and pump a large file to it, and see what the speed/bandwidth is?

when performing test, you will always get the fastest speed when the disk is new (empty)
so the proper way to test for performance speed, is to fill the SD card 50% with random files or random sizes, then do a speed test
that will show the true performance of the sd card
you can try these 3
http://www.appbrain.com/app/sdcardbenchmark/com.p8h.sdcardbenchmark
http://www.appbrain.com/app/sd-card-speed-tester/br.com.fast4ward.sdcardspeedtester
http://www.appbrain.com/app/disk-benchmark-free/com.j.diskbenchmark

Very interested in the results myself! Please do let us know how it goes evert!

Any results ?

I'll check them out. Problem is that most seem to test /sdcard, which is the internal SD, and not [correct folder for external SD]...

i also just wondering if class 10 would make any different in data transfer as rite now i'm using class between class 2 and class 6 for 3 of my 5300 (2) i9000 (4) and n7000 (6)..
any result on the test that you have made? thanks!

I use a transcend 16gb class 10 micro sd and i get a write speed of around 14mbps... on other cards i get 5 or 6mbps...

vigneshnallamad said:
I use a transcend 16gb class 10 micro sd and i get a write speed of around 14mbps... on other cards i get 5 or 6mbps...
Click to expand...
Click to collapse
Thanks for the info! Sure feel more confident to get one of these!! Thanks again (and yes i've click the thanks button!) Hehe!!
Regards!

For what it's worth, my speeds are as follows:
Internal: 7mb/s write and 15mb/s read
External: 15mb/s write and 30mb/s read
External is a Transcend class 10 16gb card, almost full and 1yo
Very happy with it
Sent from my GT-I9000 using xda premium

[Q] MicroSD cards

So where are the good deals on MicroSD cards? I'm interested in at least Class4. What are you using with your GTabs?

I was wanting to hold out for a class 4 or better 32gb, but I don't think the included 16gb is going to last me much longer on it's own.
I have a class 6 8gb transcend card for backup that seems to read and write very well on the tab.
I usually just use google search and click on shopping to find good prices since they change constantly.

Thanks for the advice, I did see that shopping.google.com was probably the best way to find good deals.
Does anyone have any experience using a class 10 microSD in their GTab?

What are the differences between 4,6,8,10 sd class cards

haythams said:
What are the differences between 4,6,8,10 sd class cards
Click to expand...
Click to collapse
http://en.wikipedia.org/wiki/Secure_Digital#Speeds
Speed Class Rating
The Speed Class Rating is the official unit of speed measurement for SD Cards, defined by the SD Association. The Class number represents a multiple of 8 Mbit/s (1 MB/s), and it measures the minimum sustained write speeds for a card in a fragmented state.[11]
The following are the ratings of some currently available cards:[11]
Class 0 - These cards do not specify performance, which includes all legacy cards prior to class specifications.
Class 2 - Minimum of 2 MB/s performance. Lowest speed for SDHC cards.
Class 4 - Minimum of 4 MB/s performance.
Class 6 - Minimum of 6 MB/s performance.
Class 10 - Minimum of 10 MB/s performance.

Keep in mind that the class is based off WRITE speeds. I have a class 10 in my Vibrant, but only a class 2 in my Tab. That is because I tend to change what I carry on my phone more often than my tablet and thus it is noticeable. But if you are just going to load up 4 gigs of music and 8 gigs of movies and never change it, go with a cheap card.

Shane_pcs said:
Keep in mind that the class is based off WRITE speeds. I have a class 10 in my Vibrant, but only a class 2 in my Tab. That is because I tend to change what I carry on my phone more often than my tablet and thus it is noticeable. But if you are just going to load up 4 gigs of music and 8 gigs of movies and never change it, go with a cheap card.
Click to expand...
Click to collapse
http://www.newegg.com/Product/Product.aspx?Item=N82E16820208475
I just ordered a 16GB class 6 for my Tablet. I'll probably be swapping out movies on a semi-regular basis, so didn't want to get just a class2.

Got a class 4 32GB from NewEgg. Works quite well and exceeds the rated transfer speed most of the time.

I'm using the Sandisk Class 2 32GB card and it's great. Sandisk cards always perform better at read & write speeds than the stated.
You're not going to notice any difference in speed..... not until you connect to a PC that is the only time when you will find a Class 2 is slower than a Class 6.

Using a class 2 16gb and seems to working fine
Sent from my GT-P1000 using Tapatalk

Which type of memory chip?

Hello. I bought this phone last week and I absolutely love it. I've been searching the forums and can't wait to upgrade Android and install apps. This is my first android phone and I like how it can be customized. Before I do anything, I want to purchase a memory chip for the phone. I want to install and run apps from the chip but unsure of which to get. What size, brand, and class do you recommend? I have a 8gb class 2 from my old phone. Is that good enough? I'm thinking about getting either a 16-32 gb. Thanks.

I have a 8GB Sandisk Class2 for ~12€ from eBay. Works perfectly, even with Apps2SD.

I think a memory card class 4 or higher is reasonable!

Ruslan88 said:
Hello. I bought this phone last week and I absolutely love it. I've been searching the forums and can't wait to upgrade Android and install apps. This is my first android phone and I like how it can be customized. Before I do anything, I want to purchase a memory chip for the phone. I want to install and run apps from the chip but unsure of which to get. What size, brand, and class do you recommend? I have a 8gb class 2 from my old phone. Is that good enough? I'm thinking about getting either a 16-32 gb. Thanks.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showpost.php?p=13021193&postcount=10

I'm using a 16 GB Class 6 (14 GB free memory and 700 MB for Link2SD).
I bought a Class 6 because i heard that there might be some problems with Link2SD/App2SD and Classes less than 6...
I haven't any problems with it -> Ebay 40 €

If you are going to install a custom ROM then I would be careful about using a 32Gb card as I have heard of people having problems with them. As vqt907 has said, I would go for at least a class 4 card.

I have a Kingston 8GB Class 2.
Works very fast, also with app2sd.

16 gig speed 6, with two adapters USB and normal memory card size for 25 pounds from Amazon....works well....d
MY ANDROIDSKY

Ps get sd speed increase from market it's a must.....d
MY ANDROIDSKY

I was considering upgrading my SD card from a class 4 to a class 10, for the speed improvement. So, I first tested my card to see what it's current speed was.
My card is an LD ( class4 8GB, bought off the street in China:
Write: 11.7 MB/s
Read: 18.0 MB/s
If my understanding of speed class correctly, this is class10 speed, not class4.
So I tested my Chinese "Kingston" - mostly likely a "ghost shift" chip, also class4 8GB:
Write 7.1 MB/s
Read 14.7 MB/s
This is class6 speed, not class4.
So, if you buy counterfeit chips in China (or online from China), you can get a class10 chip for very cheap, I paid $13 for my 8GB card. Just test the speed before you buy.
So check the speed of your card before you buy a new one.

typci said:
...So, if you buy counterfeit chips in China (or online from China), you can get a class10 chip for very cheap, I paid $13 for my 8GB card. Just test the speed before you buy.
So check the speed of your card before you buy a new one.
Click to expand...
Click to collapse
... and check out if there is the right memory on the chip

16 gb - class 6
best money-performance ratio .
You will not need anything more .

A proper branded Memory card like Sand disk, Transcend, Kingston and so on.
Never get fakes or non-branded ones as a 99% chance of pre broken risk is at your slide (personal experience)
A class 4 or higher would be reasonable.

I've been planning on buying a new sd card since the default 2gb is waaaay to small and I've got a few questions.
My current write/read speeds are 7.0Mb/s~ and 12.6Mb/s - which class is that?
How big is the actual practical difference between let's say, a class 6 and a class 10 card?

look like class 6, class number is write speed in MB/s. btw, there is no reason to buy class 10 duo very slow pc>phone>pc transfer rate. I can get more then 2-3MB/s (cable, wireless)

bataya said:
look like class 6, class number is write speed in MB/s. btw, there is no reason to buy class 10 duo very slow pc>phone>pc transfer rate. I can get more then 2-3MB/s (cable, wireless)
Click to expand...
Click to collapse
I get 25MB write/35MB read on my Transcent 8GB C-10

25MB on 10c card? How do you test speed?
Sent using Tt.

bataya said:
25MB on 10c card? How do you test speed?
Sent using Tt.
Click to expand...
Click to collapse
"SD-Tool" on phone (slower) 16MB write 24MB read
And "H2Testw" on PC which have me the readings. [nVidia USB 2.0 Hi-speed @ 480Mbit/s]

Very nice card ;ooo but only 25 mb ;c

[Q] X8 support class 10 of memory?

I bought 8G (Class 10) memory card. but i don't think my phone(x8) support it?
in all of tests, My phone shows has class 4. Is it correct?

did you buy the card from Ebay or is it from a reputable source? Eg are you sure the card is a genuine class 10?
Swyped from HTC Desire S using XDA Premium

I don't know, how can i understand it is original?

insert your card into cardreader and record big file, and check record speed.

Have a look at the sdcard.
The most of the sdcards have a little number in a circle on it, and that´s the class of the sdcard.
So, if you can find a "10" in a circle on your card, it´s class ten.
if you have another number in a circle on it, then it´s not class 10

It may be a hardware problem, but testing the speed on a pc would be taking you out from the doubt.
I'm using a class 10 8gb Kingston microSD. No problem at all.
However, I experienced heavy writing problems with class 4 8gb Kingston. This was the reason why I had to resell this card, only to check with my own eyes the problem was on the x8 and not in the class 4 microSD.

I tested my 8G-Class 10 microSD with Ram Reader,
File: 699 Mb
write: 90 s ----- 7.8 Mb/s
Read: 65 s ----- 10.75 Mb/s
File: 398 Mb
write: 50 s ---- 8 Mb/s
Read: 20 s ---- 19.9 Mb/s
How do you think a bout my class of microSD?

Its class 8
Sent from my X8 using XDA Premium App

kingstone products have a lot of compatibility problems, i know they're popular but they suck.
I'm using an SDHC A-Data 8 Gb class 10 and works great.

cdanisor said:
kingstone products have a lot of compatibility problems, i know they're popular but they suck.
I'm using an SDHC A-Data 8 Gb class 10 and works great.
Click to expand...
Click to collapse
and become a faster relno from this phone?

XperianPro said:
Its class 8
Sent from my X8 using XDA Premium App
Click to expand...
Click to collapse
Those results mean nothing, there are lots of things that can influenciate speed. Also, the cards' speed is tested on factory with a special machine, not a computer, so real world speeds are always a bit slower. If the card was a fake i think it would be getting far worst performance.
Test it on a desktop pc (rear ports) using a decent card reader.
Sent from my E15i using XDA App

I have a kingmax class 10 8GB.
In pc, i can reach around 14.x mb/s.
In phone, fastest is 8mb/s, but in average 6mb/s+.

molimo said:
I bought 8G (Class 10) memory card. but i don't think my phone(x8) support it?
in all of tests, My phone shows has class 4. Is it correct?
Click to expand...
Click to collapse
Friends
At last, I tested my microSD (class 10) in Galaxy S I9003 with "SD Tools v2.1" & "SD Card speed test v1.9" applications, They show that the class of my microSD is 10, then tested again in x8 and show class4 or class6.
conclusion: Our x8 can't support class 10. it support class up to 6.

It's true that the sd card interface of the X8 can have a limit below class 10, but remember that there are always factors that can limit the speed.. Partition type, allocation unit size, ROM, kernel.. But yeah, i won't be surprised if it had a limit of roughly 6MB/s..and it's not that bad

Class 10 is very smooth for ungaze...

I test my 16GB V-Gen class 10 memory card with sd tools and the result:
read speed : 14,4 mbps
write speed : 8,2 mbps
i use 32k allocation unit size when formatting through computer,,

i have 8GB AData class 10 and work fast and smooth
Read 20 mb/s
Write 12 mb/s and some time more

can someone confirm if X8/W8 can benefit class 10? cause I have here class 6 offered by a friend for a very cheap price cause it is second hand

amnher said:
can someone confirm if X8/W8 can benefit class 10? cause I have here class 6 offered by a friend for a very cheap price cause it is second hand
Click to expand...
Click to collapse
i can confirm, because i use it.. i have AData 8GB class 10 card.

Cacobronx said:
i can confirm, because i use it.. i have AData 8GB class 10 card.
Click to expand...
Click to collapse
but compared to class 6? is it really big?

[Q] Optimum MicroSD Card for Galaxy Note

Guys,
For use with Galaxy NOTE (GT-N7000) Which Memory Card Should I get ?
Hoping to order one over ebay next week.
* 16GB or 32GB ? (Larger the better, but I need to know whether the note will handle 32GB)
* Which Class ? (4, 6 or 10 ?)
Thanks !

yes it will handle 32gb, it will also handle 64gb cards
it is your choice on what size you get it is your requirementrs that decide this
i havea 32gb class 4 card and it suits my needs, class 10 are wasted in mobile phones

I also heard Note can handle 64GB MicroSD, though it's very expensive atm.
Sandisk Class 4 32GB would be an optimal choice for its price, quality and speed.

Samsung 32GB Class 10 for around $50CDN shipped on eBay. Performance is quite good.

lexi250 said:
Samsung 32GB Class 10 for around $50CDN shipped on eBay. Performance is quite good.
Click to expand...
Click to collapse
It's newly released so not many people have their hands on. Got a lot of features which is kind of appealing to me lol :d.
Just that I read somewhere Class 4 provide much better handle than Class 10 at reading random data, while Class 10 excels at writing large files. So if you want to transfer lots of space then Class 10 would be better.
One more thing, the Class X only tells the minimum speed, while the maximum speed depends on the card make, brand, technology...
After searching online, I assume Sandisk is the best.

Over here class 4 and class 10 cards are almost the same price so I just went with a 16GB class 10 myself. Working just fine, though I didn't expect it not to anyways.
---------- Post added at 09:35 PM ---------- Previous post was at 09:32 PM ----------
ashn2k said:
One more thing, the Class X only tells the minimum speed, while the maximum speed depends on the card make, brand, technology...
Click to expand...
Click to collapse
Indeed. My class 10 can write at 16 megabytes/second (not megabits!) and read at 20 megabytes/second, it's just that the specification is several years old and they defined speeds only up to class 10.

ashn2k said:
Sandisk Class 4 32GB would be an optimal choice for its price, quality and speed.
Click to expand...
Click to collapse
+1 I have one in my note and it is fine

Class 4:
High sequential read speed/medium sequential write speed
Good random 4k_Thread read/write speed (needed to initialize some system relevant data faster that's why SSD on PC can boot so much faster than HDD)
Class 10:
High sequential read/write speed (if you copy media files very often that's the one for you)
Good random 4k_Thread read speed/very very VERY horrible random write speed
Both don't have Problems recording HD material on note and also playing them.
Remember : higher class doesn't necessarily mean it's better.

Thanks a lot for the input guys !!
Samsung 32GB Class 10 it is then..

How about Sandisk Mobile Ultra 32Gb Class 6 and I think the performance is above the Samsung Class 10?

ancs88 said:
How about Sandisk Mobile Ultra 32Gb Class 6 and I think the performance is above the Samsung Class 10?
Click to expand...
Click to collapse
I've heard lots of good things about Sandisk lately..

I only have files I rarely use on the 'external' card. These are usually large files like mp3 or videos. As such I went for the Lexmark 32 GB class 10. It does the job very well.
Everything I access often is on the 'internal' sd to save battery.

buy samsung class 6 32gb microsd card
its cheaper & optimum for note
I own too.
It works like a charm