So, let's recap:
iPhone 4S:
- x2 CPU power
- x7 GPU power
- Built-in image processor for the 8MP still /1080p movie camera
- Siri voice recognition (probably also with special hardware)
- x2 download speed
- GSM/CDMA World phone
Partial:
Geez what did you expect? Have you been buying up Chinese teardrop iPhone 5 cases for sale in the US?
And as for the design, I would like to add that my 13 month old iPhone 4 has yet to catch a scratch. It's an awesome design as far as I am concerned.