Difference between an iphone 4 and 4s? And which is better?

Difference between an iphone 4 and 4s? And which is better?

IPhone 4S, of course.

iPhone 4S has an A5 chip, which is twice as fast as iPhone 4's A4 chip (and also provides smooth and fluid gameplay, as well as other features like facial recognition and Panorama mode in the Camera app), an 8-megapixel iSight camera, and Siri.

iPhone 4S will also run iOS 7 more smoothly when it ships this fall.

The 4S of course is the better phone.

http://www.gsmarena.com/...hone2=4212

Obviously the 4S

4s is better, but has a horrible battery life compaired to any other iphone