1. Speed - It has new built-in processor and is 2 times faster than previous generation iPhone. It consumes less resources and has improved battery life.
2. Camera - It comes loaded with 3 MegaPixel camera with auto focus, auto exposure and auto white balance. Camera also supports photo, video geotagging and any application can access all the camera functions now.
3. 3D Graphics - It has new 3D graphics support in hardware for faster and more complicated 3D games.
4. Battery Life - As expected, it has much improved battery life. It supports 5 hours of internet use, 9 hours of wifi and video playback is 10 hours vs 30 hours for audio.
5. Design, size & weight - Design has remained same with glossy back. Size is also same 4.5 x 2.4 x 0.48 inches. However, weight has increased little, One ounce to 4.8 ounces (135 grams vs 133 grams).
6. Special features - You can talk with iphone and instruct it to play similar song to one your are playing. It supports features like: zooming on text, inverting video, and voice over when you touch whatever text is on screen.
New iPhone3G is more environment friendly with 23% smaller packing and arsenic free glass, mercury Free LCD and PVC free. It will be available in Black & white models and should be hit markets in over 80 countries by August 2009 - interested? [via Gizmodo]