Product info iPhone 4S Dual-core A5 CPU, said to be “2x as fast at CPU tasks”, Dual-core graphics, up to “7x faster than the previous iPhone”, Battery life estimates: 8 hours talk time on 3G, 14 hours on 2G. 6 hours of browsing on 3G, 9 on Wi-Fi. 10 hours of video playback, 40 hours of music.
