1. Display : The new larger 4″ (inch) Retina display with a 1136×640 pixels resolution which gives a pixels per inch of 326pp. You can see 5 rows of icons now.
2. Processor : Iphone 5 has faster processor the all new ultra-fast A6 Chip (2x Faster than 4S).
3. Camera : All new 8 megapixel (1.2mp front facing) iSight autofocus LED flash camera with 3264×2448 pixels resolution.
4. New Charger and Features : Iphone 5 has a smaller 8 pin dock connector. It has amazing more than 200 new features in the latest iOS 6.
5. Advanced IOS 6 : Iphone 5 runs most advanced IOS 6 and It has advanced “Siri” now you can update your “Facebook” status and many more new things using voice.
6. Connectivity and Battery: It has Ultrafast wireless and Internet connection. (LTE). It has good battery backup. You can now play music upto 40 hours. Talk Time : Up to 8 hrs 2G/3G.
7. Click Quicker Image : Iphone 5 has ability to click 40 % quicker image than the 4S.
8. Panorama mode : Iphone 5 has cool new Panorama mode. It allows users to click pics while capturing the video.
9. Design : Iphone 5 has a beautiful outlook and Iphone 5 is built all of glass (Front) and aluminum (Back). It comes in four brilliant colors (Black, White, Silver and Slate)
10. Size and Storage capacity : Iphone 5 comes in three models with massive storage capacity (16GB, 32GB and 64GB ). Its 18% Thinner (7.6mm) and 20% Lighter (112 grams) than the 4S.