Apple iPhone 4S - Overview

Apple claims its two core phone in the A5 chip and deliver up to two times more power and up to seven times faster graphics than previous versions of iPhone; and camera is also better as described here. According to PC world, users say that its similar to iPhone 4.Screen size is similar. Adding more mega pixels only does not means it will improve the quality of the picture. If you increase resolution from 5-megapixel to 8-megapixel then sensor size should also be increased by 60 percent.Otherwise, if you use a sensor of the same size with more pixels, it can result with a lot of noise and artifacts and can result in the poor image quality when compared to iPhone 4.