Imagination Technologies yesterday announced a new Series6XT generation of its PowerVR graphics architecture, representing a successor to the Series6 graphics used in Apple's A7 chip for the iPhone 5s, iPad Air, and Retina iPad mini.Series6XT cores achieve up to a 50% performance increase on the latest industry standard benchmarks compared to equivalent configurations of previous generation cores. And with a significant increase in raw GFLOPS, Series6XT delivers the industry’s best performance in both GFLOPS/mm2 and GFLOPS/mW. Apple currently uses Imagination's quad-core G6430 graphics in the A7, and the new Series6XT arch
