| iPhone 4 | iPhone 3GS | iPhone 3G | iPhone | |
|---|---|---|---|---|
| *Not Spcified | ||||
| Storage | 16 or 32GB | 8, 16, 32GB | 8 or 16GB | 4, 8 or 16GB |
| Memory | 512MB | 256MB | 128MB | 128MB |
| Processor Speed | 1Ghz* | 600Mhz | 412Mhz | 412Mhz |
| Screen Resolution | 640x960 | 320x480 | 320x480 | 320x480 |
| Camera | 5MP(rear) 3MP(front) | 3.0MP | 2.0MP | 2.0MP |