Enlarge / Chipworks confirms that both Samsung and TSMC are manufacturing subtly different A9 processors for Apple. (credit: Chipworks)
All most people will need to know about Apple's A9 is that it's a whole lot faster than last year's A8. But for those of you who are more interested in chip design, Chipworks has unearthed an interesting tidbit: there are two different versions of the A9 chip, one manufactured by Samsung and another by Taiwan Semiconductor (TSMC). Most interestingly, Samsung's version (the APL0898) has a slightly smaller footprint than the TSMC version (APL1022).
There have long been rumors that Apple was dual-sourcing the A8 from Samsung and TSMC, but this is the first visual proof that we've seen of the practice. iPhone and iPad processors up to and including the A7 were all made by Samsung.
Apple buys other parts from multiple sources including NAND flash and RAM, but the SoC is a major component with bigger implications for performance and power. Chipworks promises a more in-depth look at how the two processors differ, but for now all we know is that the two differ in size.
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