Some noticeable differences are – smaller screen of the iPhone 4 compared to others and also the lack of flash. The RAM for the iPhone 4 is marked “Unknown” but should be 512MB to support multitasking. The iPhone can record video at 720p with 30fps, while Droid Incredible and Nexus One records at 800 × 480 pixels, and EVO 4G at 1280 × 720 pixels. It is important to note that Only Apple’s new device iPhone 4 is supporting 802.11n WiFi though it is rumoured that the chipset on Incredible and Evo supports 802.11n though not enabled...