CPU Performance

Now that we’ve managed to take a good look at the changes between the A8 and A8X, we can get a good idea of what those differences translate to in some real world performance. While we’ve already seen pure CPU performance, such differences can be small when viewed from real applications. To this end, we use a few browser benchmarks and similar benchmarks. I definitely want to caution against comparing SoCs across platforms though, as rendering engines have a significant effect upon the performance of the device.

SunSpider 1.0.2 Benchmark  (Chrome/Safari/IE)

Kraken 1.1 (Chrome/Safari/IE)

Google Octane v2  (Chrome/Safari/IE)

WebXPRT (Chrome/Safari/IE)

BaseMark OS II - Overall

BaseMark OS II - System

BaseMark OS II - Memory

BaseMark OS II - Graphics

BaseMark OS II - Web

There's really not too much that needs to be said here, as the extra core and minor clock speed bump make for ridiculous amounts of performance. The A8X is class-leading here despite generally having fewer cores and lower clocks than the rest of the competition. However, in comparison to A8 we don't see a massive jump in performance. This seems to suggest that even a third core will invoke diminishing returns in general, although these changes mean that it's enough for the iPad Air 2 to be one of the fastest ARM-based devices on the market. One can see an odd regression in the Basemark OS II storage test, but this is likely to be production variances in NAND quality rather than anything notable.

Apple’s A8X SoC: Bigger and Badder GPU and NAND Performance
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  • tralalalalalala40 - Thursday, November 13, 2014 - link

    Surface pro isn't a tablet. It has a fan, and is too bulky to be used one handed. The surface pro competes with the mac air. Reply
  • drchimrichalds - Wednesday, November 12, 2014 - link

    I love the new screen on the Air 2. Thanks for the review! Reply
  • MarkieGcolor - Friday, November 14, 2014 - link

    Why is the Galaxy Tab S in all display comparisons besides black levels and contrast ratio? IMO the most important metrics that the tab s blows the ipad out of the water in? Reply
  • tralalalalalala40 - Saturday, November 22, 2014 - link

    Best tablet in the world at the moment. Great BF buy! Reply
  • Kankerhoer - Tuesday, November 25, 2014 - link

    *Circlejerks* so many... Reply
  • TechShark - Wednesday, December 17, 2014 - link

    amazon has the iPad Air 2 for $50 off plus Free Shipping. http://bit.ly/13dl0ss Reply

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