Apple preps A8 chip for fifth-gen iPhone and beyond

Apple is reportedly prepping a souped-up, custom-designed A8 processor for its fifth-generation iPhone and future mobile devices.

Apple's A4 processor takes center stage

Apple has deployed its indigenously designed ARM-based A4 processor in a number of new devices, including the iPad, iPhone 4 and upgraded iPod touch.

Is Apple moving away from x86 architecture?

Apple's formidable mobile lineup is powered by ARM-based processors. But could the company be preparing to expand its use of the low-power chips in other devices?