1. iPhone 4 gpu PowerVR SGX 535 ---- N9 PowerVR SGX 530 2. iPhone 4 cam 5mp ----- N9 8mp carlzeiss wide angle lens 3. iPhone 4 Screen 3.5 IPS LCD ----- N9 3.9 AMOLED 4. iPhone 4 wifi b/g/n --------- N9 a/b/g/n 5. iPhone 4 NFC = No ------------- N9 Yes 6. iPhone 4 AV = No --------------N9 Yes 7. iPhone 4 Ram 512MB ---------- N9 1GB