5. New And Improved A6 Processor
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Every year the iPhone receives a heavily upgraded processor which allows for more efficient processing and more importantly, better mobile gaming. Apple has brought out an all-new chip dubbed the Apple A6 which is smaller than the A5, consumes far less energy than its predecessors, and manages to be two-times faster and graphical than the A5 processor which is in the iPhone 4s and new iPod Touch.