Apple A5 Apple mobile application processors

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the apple a5 system on chip (soc) designed apple inc. , manufactured samsung replaced a4. chip commercially debuted release of apple s ipad 2 tablet in march 2011, followed release in iphone 4s smartphone later year. apple claims compared predecessor, a4, a5 cpu can twice work , gpu has 9 times graphics performance .


the a5 contains dual-core arm cortex-a9 cpu arm s advanced simd extension, marketed neon, , dual core powervr sgx543mp2 gpu. gpu can push between 70 , 80 million polygons/second , has pixel fill rate of 2 billion pixels/second. apple lists a5 clocked @ 1 ghz on ipad 2 s technical specifications page, though can dynamically adjust frequency save battery life. clock speed of unit used in iphone 4s 800 mhz. a4, a5 process size 45 nm.


an updated 32 nm version of a5 processor used in third generation apple tv, ipod touch (5th generation), ipad mini, , new version of ipad 2 (version ipad2,4). chip in apple tv has 1 core locked. markings of square package indicates s named apl2498, , in software, chip called s5l8942. 32 nm variant of a5 provides around 15% better battery life during web browsing, 30% better when playing 3d games , approximately 20% better battery life during video playback.


in march 2013, apple released updated version of third generation apple tv (appletv3,2) containing smaller, single-core version of a5 processor. unlike other a5 variants, version of a5 not package-on-package (pop), having no stacked ram. chip small, 6.1×6.2 mm, decrease in size not due decrease in feature size (it still on 32 nm fabrication process), indicates a5 revision of new design. markings tell s named apl7498, , in software, chip called s5l8947.








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