e. (An ARM spokesman told us that by "superphone, ARM means devices such as the Samsung Galaxy S III and the iPhone 5.)The Cortex-A53, on the other hand, was described by Segars as the most energy-efficient processor that we have built, providing superphone-level performance at not only low power levels, but at low cost as well.Simon Segars, EVP and general manager of ARM's Processor and Physi