Software, for the time being, is the biggest differentiation between the Galaxy S III and Galaxy S 4 by Samsung. Sure, as it’s been explained countless times now, the specifications are different. The S4 has a larger, much more dense display, a faster processor (on both models) with more cores, the battery has 500 more milliamp-hours and the camera is a 13-megapixel sensor, versus 8-megapixels in the older model. But as I explained earlier today, the real world performance advantages between the Galaxy ...