Why does the new iPhone have a 64-bit processor?

Information
2013-Nov-13 | Tags: iphone

Start64!SINCE its resurgence in the late 1990s, Apple has generally shied away from trumpeting processor speeds, cache sizes or other technical details in its marketing materials, preferring to emphasise what its products can do, rather than what is inside them. It does make exceptions, however, as in the case of the recent launch of the iPhone 5s, its new flagship smartphone.

Executives hyped its "64-bit" A7 processor, which they asserted had desktop-computer performance and could complete some tasks twice as quickly as the 32-bit chip in its previous model. Rivals, bloggers and technology-news sites disparaged its claims, saying that there was no good reason to put a 64-bit chip in a smartphone except to claim bragging rights. Anand Chandrasekher, the chief marketing officer of Qualcomm, a rival technology firm, told Techworld: "Predominantly...you need it for memory addressability beyond 4GB [gigabytes]...


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