Shulou(Shulou.com)11/24 Report--

CTOnews.com, September 12, according to the identifier code, the S8 chips in Apple Apple Watch Series 8, Apple Watch Ultra and Apple Watch SE 2 have the same CPU as S6 and S7 chips.

The CPU in the Apple S8 SiP has the same T8301 identifier as the CPU in the S6 and S7 chips debuted in Apple Watch Series 6 and Apple Watch Series 7. This explains why Apple has only compared S-Series chips to S5 chips or earlier in recent years.

This also means that Apple Watch Series 6, Apple Watch Series 7, Apple Watch Series 8, Apple Watch Ultra, and Apple Watch SE 2 are all equipped with exactly the same CPU. It is worth noting that Apple may still be iterating over other parts of the SiP to accommodate the new components, such as Apple Watch Series 8 support for new accelerometers and gyroscopes.

CTOnews.com learned that Apple's S6, S7 and S8 chips are equipped with 32GB storage and dual-core CPU. When Apple first launched the S6 in Apple Watch Series 6, it was the last time it announced the performance of its latest line of smartwatches, saying that "the chip increases the startup speed of applications by 20 per cent".

The Apple S6, S7 and S8 are based on the A13 bionic chip in the iPhone 11 series and are manufactured using TSMC's 7nm process. Apple started the transition from A14 bionic chip to TSMC 5nm process, and the A16 bionic of iPhone 14 Pro is the first Apple chip manufactured by 4nm process.

One explanation for Apple's failure to promote CPU technology in its S-Series chips is that the improvements brought about by the use of A14 chips and cores in TSMC's 5nm or 4nm process may be mainly performance improvements, but this is no longer important to Apple Watch. Waiting for the 3nm process, which will enter mass production by the end of this year, may result in more meaningful efficiency gains-which is even more important for Apple Watch because it helps extend battery life.

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