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Apple unveiled the iPad Air 2, claiming the world’s thinnest tablet title, but the second generation of the airy tablet also packs some serious punch coming with the Apple A8X system chip. So far, we only knew that Apple has ramped up the number of transistors in the A8X to a whopping 3 billion, up from 2 billion in the A8 and 1 billion in the A7. This remarkable achievement, however, did not reveal much about the inner workings of the Apple A8X: it’s most likely a 20nm chip, but what about its CPU and GPU?
The iPad Air 2 is yet to arrive in stores, but some folks have gotten an early look at it and ran it through benchmarks. The results are in and so are some very interesting revelations: Geekbench reports that the iPad Air 2 comes with a very unorthodox tri-core CPU and each core gets a bump in nominal clock speed from 1.4GHz in the A8 to 1.5GHz in the A8X.
Apple adds a third CPU core in the A8X
This additional core explains a lot about the 1 billion increase in transistors, and it further cements the point about the iPad Air being in a whole different league in terms of productivity when compared to the iPhone. This border was blurred last year when both the iPhone and the iPad used largely the same Apple A7 chip, while this year Apple is eager to make a more clear distinction between the two.
The iPad Air 2 has also got 2GB of RAM, double the amount of memory on the iPhone 6 and 6 Plus, and that’s important for multitasking.
Geekbench results give us a well-rounded look at CPU performance:
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