The 64-bit iPhone 5S boasts a quad-core graphics processing unit -- a first for an iPhone.
Semiconductor analysis company Chipworks has supplied the best evidence yet of the layout of the A7 processor in Apple's iPhone 5S, showing a quad-core GPU. (See image above.)
The A6 chip in the iPhone 5 had a three-core GPU.
While core counts aren't necessarily the deciding factor in making a chip fast, there is a trend toward adding more cores to boost performance. Samsung and Qualcomm, for instance, have had quad-core graphics for a while now. As have Apple's higher-performance A5X … Read more