When i look at iphone 3g vs 3gs , though both of them look same, actually there are a lot of differences in them.The processor of iPhone 3G is ARM 11 running on 412 MHz, while that of 3GS is ARM Cortex A-8 running on 600 MHz.Camera of 3G is 2.0 megapixel and it has fixed focus, while that of 3GS is 3.0 megapixel and auto focus with auto white balance as well as macro mode.it didn't have video recording and voice control features, while 3GS is with 30fps VGA along with on-device editing capability and a voice control feature which enables you for dialing numbers, playing songs, calling contacts and much more with your voice.Graphic capability of 3G is Open GL ES 1.1 and that of 3GS is OpenGL ES 2.0.There are no Nike+ support and integrated magnetic compass in 3G, while 3GS features them.Wireless technology of 3G includes 3.6 Mbps HSDPA, WiFi and Bluetooth 2.0+ EDR, while that of 3GS includes 7.2 Mbps HSDPA, WiFi and Bluetooth 2.1+ EDR. The download speed of 3GS is much faster, than 3G
iphone 3g vs 3gs