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Answer» From Computerworld.
Quote iPhone 4S teardowns reveal A5 processor
The same dual-core, Apple-designed processor powers the iPad 2
By Gregg Keizer
October 14, 2011
Computerworld - Preliminary teardowns of Apple's iPhone 4S have confirmed what rumors claimed for months: The new smartphone is powered by the same dual-core processor used in the iPad 2.
Two teams -- one from iFixit, the other from IHS iSuppli -- have taken apart the new handset and published their results.
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Talk had circulated EARLIER that the iPhone 4S might offer 1GB of system memory, double that of the iPhone 4 and the iPad 2.
iSuppli said that the 512MB showed Apple's confidence in its IOS mobile operating system.
"The use of this low density of memory highlights the efficiency of Apple's iOS operating system compared to those of competitive smartphones, which use twice as much SDRAM,"
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http://www.computerworld.com/s/article/9220877/iPhone_4S_teardowns_reveal_A5_processor
Dual-Core in a mobile phone The HTC sensation had a 1.2GHz dual-core way before the iPhone...
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