What's the difference from iPhone 4 and 4s?

Hi well as you see its ma birthday tomorrow: D and I was thinking its time to get a new phone i I have desided I wanted to get a iPhone 4 I was gonna get iPhone 5 but meh:/ to expensive so what is the differences between iPhone 4 and 4s is there a 4c? Cheers.

The internal configuration

The difference is they added an s next to the 4 to make it look amazing.

Same $#! T

Here are the major differences:

- The 4 offers 7 hours of talk time but the 4S offer 8 hours of talk time

While running on Wi-Fi, the 4 offers 10 hours of battery life but the 4S just offer 9 hours of battery life.

The 4 offers better standby time like 300 hours but the 4S offers just 200 hours of standby time.

The four is available with iOS 4.0 and the 4S with iOS 5. Both can support the update up to iOS 7.

iOS 6+ TBT, Flyovre, Panorama and Cam Fiilters

Not available in the 4 but available in the 4S.

Still Camera -

The 4 has 5 megapixels camera but the 4S has 8 megapixels camera.

Video camera

The 4 has 720p but the 4S has 1080P

No, there's no 4c.

See for yourself
http://www.gsmarena.com/...hone2=4212