Apple announced a brand new chipset for the iPhone 5s - the Apple A7 - and in traditional Apple fashion proceeded to give very little detail about it. The company promised 2x performance increase over the iPhone 5 in CPU and GPU performance (and 40x over the original iPhone). There was very little on the GPU front - OpenGL ES 3.0 support was added and the presenters boasted about the improved...
Source: http://www.gsmarena.com/iphone_5s_benchmarked_2x_gpu_performance_of_previous_model-news-6780.php
