A6x vs. A7

Discussion in 'iPad Tips, Help and Troubleshooting' started by GreatUsername, Oct 23, 2013.

  1. GreatUsername macrumors member

    Joined:
    Feb 4, 2013
    #1
    Apple says the A7 is twice as powerful as the A6 but wasn't the A6x already twice as fast? Doesn't this mean the new iPad Air will have the same performance as the iPad 4th gen? If so, then why is Apple touting that it's faster?
     
  2. aneftp macrumors 601

    Joined:
    Jul 28, 2007
    #2
    No,

    A6X is twice as fast as A5X.

    A7 is twice as fast as A6X.

    Which makes the A7 4x as fast as the A5X. Look at the graph apple showed in terms of performance when they had all 5 generations of ipads and their performance on a graph.
     
  3. GreatUsername thread starter macrumors member

    Joined:
    Feb 4, 2013
    #3
    K. Thanks. Though, does that include graphics or just CPU? Because I think it's graphics performance that I'm mainly confused about.
     
  4. Rettun1 macrumors regular

    Joined:
    Jan 13, 2010
    #4
    I understand the confusion. When they mentioned "twice as fast as the previous generation" it was hard to distinguish if they were talking about the previous ipad or the previous chip (a6 or a6x) :confused:

    Super fast no matter how you look at it tho
     
  5. DVK916 macrumors regular

    Joined:
    Jan 5, 2006
    #5

    This is wrong. They specifically said twice as fast as the A6, not previous generation.

    Apple said the A6X is twice as fast as the A6, and apple also said the A7 is twice as fast as the A6.

    ----------

    This is WRONG.

    Apple specifically stated the A7 in the Iphone 5s is twice as fast as the A6 in the iphone 5.

    The problem the information apple has given doesn't add up.

    Apple specifically stated the A6X is 2X the A6.
    Apple specifically stated the A7 is 2X the A6.

    Now apple says the A7 is 2X the A6X, but this contradicts benchmarks and apple first two statements. The only logical conclusion is the A7 in the iPhone and Ipad are different.
     
  6. MartinAppleGuy macrumors 68020

    MartinAppleGuy

    Joined:
    Sep 27, 2013
    #6
    No. The iPhones 5S's A7 was 2X as fast as the A6
    The iPad AIr's A7 is 2X as fast as the A6X.
    The difference between the A6 and A6X was 100Mhz, so the A7 in the iPad Air is running at 1.5Ghz.

    Same goes for GPU.

    iPhone 5S was 2X(real = 2.67X) the iPhone 5 (2.67X28.8Gflops = 76.8Gflops)
    iPad Air is 2X(I willl take the real as 2.67) the iPad 4(2.67X76.8Gflops = 205Gflops).


    Maths appears short. Look at my other posts for the detailed answer.

    Short aswer. The A7 in the iPad Air is faster in CPU performance, and is 2X(2.67X) more powerful GPU wise that the 5S A7. Looks like it is an A7X, just without the X.

    ----------

    The iPhones 5S's A7 was 2X as fast as the A6
    The iPad AIr's A7 is 2X as fast as the A6X.
    The difference between the A6 and A6X was 100Mhz, so the A7 in the iPad Air is running at 1.5Ghz.

    Same goes for GPU.

    iPhone 5S was 2X(real = 2.67X) the iPhone 5 (2.67X28.8Gflops = 76.8Gflops)
    iPad Air is 2X(I willl take the real as 2.67) the iPad 4(2.67X76.8Gflops = 205Gflops).


    Maths appears short. Look at my other posts for the detailed answer.

    Short aswer. The A7 in the iPad Air is faster in CPU performance, and is 2X(2.67X) more powerful GPU wise that the 5S A7. Looks like it is an A7X, just without the X.
     
  7. DVK916 macrumors regular

    Joined:
    Jan 5, 2006
    #7
    According Imagination Tech the developer of the GPU it is capable of scaling up to 600Mhz apparently. So it could very well still be an A7 clocked much higher.
     
  8. jabingla2810 macrumors 68020

    Joined:
    Oct 15, 2008
    #8
    Who's to say the A7 in the new iPad is the same as the A7 in the iPad Air?

    I personally think the A7 in the iPad Mini won't be as powerful as the A7 in the Air.

    But we won't know till the reviews and benchmarks are out.
     
  9. GreatUsername thread starter macrumors member

    Joined:
    Feb 4, 2013
    #9
    Yeah, it seems like the only logical explanation is either the A7 inside the iPad Air is a different A7 than that in the iPhone 5s (An A7x without the x) or it's the same A7 and it's just been underclocked on the iPhone for battery life and heat reasons.

    I'd really like to know for sure if the iPad Air is really as fast as Apple says it is since I'd like to get it on day one in case there's supply constraints.

    Though, I highly doubt Apple is lying to us or trying to mislead us. I think we can all just take Apple's word for it.
     
  10. DVK916 macrumors regular

    Joined:
    Jan 5, 2006
    #10
    Their is actual precedent for this.

    The GPU in A5 in the iPhone 4 was clocked at 200Mhz while the A5 in the Ipad 2/Mini was clocked at 250Mhz.

    The fact that Imagination Tech says the GPU in the A7 is can be scaled up to 600Mhz vs the 200Mhz apple is currently using the Iphone 5s.
     
  11. Dreamer2go macrumors 6502a

    Joined:
    Jun 23, 2007
    #11
    There you go:

    Apple A6X is a system-on-a-chip (SoC) designed by Apple, introduced at the launch of the fourth generation iPad on October 23, 2012. It is a high performance variant of the Apple A6. Apple claims the A6X has twice the CPU performance and up to twice the graphics performance of its predecessor, the Apple A5X.

    -From wikipedia.
     
  12. Bala0509 macrumors member

    Bala0509

    Joined:
    Aug 15, 2011
    #12
    It is- ifixit just opened up an AIR and reports "Apple APL5698 A7 Processor—a slightly different version from the APL0698 in the iPhone 5s"
     

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