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crwdns2933797:0Walter Galancrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Walter Galan
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| - | [* black] Insert wisdom here. |
|---|---|
| + | [* black] The A7 is advertised as providing twice the performance of the 5 (and 5c)'s A6 processor. |
| + | [* black] The switch to the A7 marks the first use of a 64-bit processor in a smartphone. Based on [http://anandtech.com/show/7335/the-iphone-5s-review/2|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gains do not come from any advantages inherent to a 64-bit architecture, but rather from the switch from the outdated ARMv7 instruction set to the newly-designed [http://www.arm.com/files/downloads/ARMv8_white_paper_v5.pdf|ARMv8]. |
| + | [* black] 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. |