Like all digital products, mobile devices, including smartphones and tablet PCs, rely on high-speed memory to supply the main processor with essential instructions and frequently requested data.

ENGADGET: Toshiba goes perpendicular to solve MRAM's power issues, rethink cache memory

Samsung continues to manufacture the A6 processor, the iPhone 5's main computing engine, based on Apple's design.

WSJ: Apple's iPhone 5 Cost Rises Slightly

As well as the main processor, the new system includes a second chip, the SM35, to handle various input and output functions such as USB and audio.

BBC: Intel launches Oak Trail tablet processor