Chris Velazco (via MacRumors):
At a high level, the A14 looks like Apple’s second Bionic chipset. This one-of-a-kind system packs a six-core CPU – two high-performance cores and four for lower-priority tasks – just as the A12 and A13 did. The number of GPU cores here has also remained unchanged at four. Do not be fooled by these transient similarities: Because the A14 was designed for a 5nm manufacturing process, more is happening in this system on a chip than ever before.[…]
Not surprisingly, this year’s Neural Engine is far from the first we saw in 2017. Although the original processor could perform 600 billion operations per second, last year̵7;s A13 line increased to 6 trillion operations at the same time. Meanwhile, the A14 generally wipes out the bar by performing a nominal 11 trillion operations per second. […]
Apple has not yet issued a claim for A14 Bionic’s performance improvements over last year’s A13 Bionic – expect more about it during the company’s upcoming keynote address. (A set of leaked references indicates some healthy gains over last year’s chipset, though some are less than impressed.) When Apple unveiled the new iPad Air, however, it said the A14’s CPU was up to 40 percent faster than the previous model, and that people could expect up to a 30 percent increase in graphics performance.
Jason and Myke interview Apple’s Tim Millet and Tom Boger about the new iPad Air and Apple’s silicon.
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