Even though it looks identical to the iPhone 4, the iPhone 4S is a whole different beast on the inside. With its A5 dual core processor, dual core graphics, improved battery life, a new antenna, and an incredible new camera, the iPhone 4S is without a doubt the best smartphone out there.

But how does it compare to its predecessor, the iPhone 4, and to another world class smartphone, the Samsung Galaxy S II?

Update: For an even better comparison, check out Apple’s website where the iPhone 4S, iPhone 4, and iPhone 3GS are compared side by side.

This is My Next breaks it down for us:

Impressed much?