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  1. macist's Avatar
    I'm curious about if I/O performance of iPhone 4S has enhanced or the same...

    Could someone who has an iPhone 4S try to iBenchmark! and share the scores ?!/id423223184?mt=8

    iBenchmark! is free btw...

    My scores for iPhone 4 w/ iOS [No JB] are here below:

    Memory Allocation: 200.3 per sec.
    Memory Copy: 863.1 per sec.
    Disk Write: 20.5 MB/s
    Disk Read: 101.2 MB/s
    Last edited by macist; 10-15-2011 at 04:49 PM.
    10-15-2011 04:39 PM
  2. rstark18's Avatar
    There is very little noticeable difference in performance between the 4 and the 4s for me.

    Memory Allocation: 483.3 per sec.
    Memory Copy: 479.2 per sec.
    Disk Write: 30.0 MB/s
    Disk Read: 106.9 MB/s
    10-15-2011 07:02 PM
  3. macist's Avatar
    Thx rstark18 - i believe the scores you posted are very substantial.

    I see mem alloc more than twice of iPhone 4 !

    I don't know why your mem copy score is lower but i guess it's because some task in the background - although i didn't mention in my post i killed all task in the bg before executing the benchmark.

    Disk write 30 MB/s is also spectacular too !

    I've had similar tests with some friends Galaxy S II [GSM Europe] and Galaxy Tab [Original P 1000] and their writes are below 10 MB/s and reads are under 30 MB/s - of course for their internal storage. SD Cards are even are lower though maybe a Class 10 card may enhance the performance.

    I don't think any other smartphone can beat iPhone 4/4S atm for the I/O performance.

    IOS file system possibly effects this positively too...
    Last edited by macist; 10-15-2011 at 07:16 PM.
    10-15-2011 07:14 PM
  4. rstark18's Avatar
    Ok killed all BG tasks:

    Memory Allocation: 496.3 per sec.
    Memory Copy: 522.1 per sec.
    Disk Write: 30.9 MB/s
    Disk Read: 106.6 MB/s
    10-15-2011 07:19 PM
  5. guerillatwang's Avatar
    Damn that's quick.
    10-15-2011 07:38 PM
  6. macist's Avatar
    Hmm interesting...

    Apparently write speed is 31MB/s to the flash memory - which is really superb.

    Mem alloc again is great with the new A5 chip.

    But honestly speaking mem copy ops puzzled me.

    Though may i ask if those are the first run scores ? What happens after you run three times in row ?
    10-15-2011 07:38 PM
  7. ilwhana's Avatar
    mem alloc 483.6
    mem copy 526.8
    disk write 19.3
    disk read 107.4
    10-15-2011 07:47 PM
  8. E_Brown's Avatar
    502.1 mem allocation
    516.e mem copy
    28.7 disc write
    107.9 disc read

    Sent from my iPhone using Tapatalk.
    10-15-2011 07:57 PM
  9. macist's Avatar
    For big games and apps this means that iPhone 4S can load upto %50 faster theoretically.

    Very nice !
    10-16-2011 07:15 AM