The iPhone 4's A4 chip was clocked at 800 MHz, only the iPad had it at 1 GHz. I don't know what the A5 is clocked at in the iPhone 4S, but it's certainly possib

The iPhone 4's A4 chip was clocked at 800 MHz, only the iPad had it at 1 GHz. I don't know what the A5 is clocked at in the iPhone 4S, but it's certainly possible it is faster clocked as well as dual-core.