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iPhone 5s 拆解

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Traduction de l’étape 16

Étape 16
iPhone 5s Teardown: étape 0, image 1 de 2 iPhone 5s Teardown: étape 0, image 2 de 2

  • It's time to investigate the new kid on the block, and it's fly like an A7. Along with the fingerprint sensor, the A7 is a major enticement for consumers to pick the 5s over the 5c.

  • The A7 is advertised as providing twice the performance of the 5 (and 5c)'s A6 processor.

  • The switch to the A7 marks the first use of a 64-bit processor in a smartphone. Based on AnandTech's review, it seems that the bulk of the A7's performance gains do not come from any advantages inherent to a 64-bit architecture, but rather from the switch from the outdated ARMv7 instruction set to the newly-designed ARMv8.

  • The modern ARMv8 instruction set was designed for a 64-bit architecture. It does away with the legacy support of the last 20 years, which increases efficiency, improving performance without sacrificing battery life.

  • We'll have to wait until we get inside the chip to find out who manufactured it.

到时间来调查这个街区的新人了，它飞行起来像A7战斗机 。加上指纹传感器，该A7是消费者挑选5s超过5c的一大诱惑。

A7 处理速度宣称是5(和 5c)的A6 处理器的2倍。

切换到A7处理器标志着智能手机第一次使用64位处理器。基于AnandTech's review，似乎的A7的性能提升大部分不是来自任何固有的64位架构的优势，而是从过时的ARMv7指令集升级到全新设计的ARMv8.

现代ARMv8指令集是专为64位架构。它摒弃了最后20年里的传统，从而提高效率，提升性能，而不会牺牲电池寿命。

我们必须要进到芯片里面才能知道制造商。

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