http://www.orzlive.com/mobile/iphone-3g-and-iphone-3gs-what-is-the-difference/
iPhone?3G与iPhone?3GS外型长得很像，但骨子却有大大地不同，除了价格之外，硬件上还有许多不同，像是iPhone 3GS多了录像与自动对焦（AF）、HSDPA支持到7.2Mbps、蓝牙也到2.1、外壳支持防（波）水、抗污与内置电子罗盘，当然啦，续航力也有所增加。
? | iPhone 3G | iPhone 3G S |
Price | $99 8GB ($299 for ineligible upgraders) | $199 16GB, $299 32GB ($399 and $499 for ineligible upgraders) |
Processor | 412MHz ARM 11 | Unknown, “on average up to twice as fast” |
Graphics capability | OpenGL ES 2.0 | OpenGL ES 2.0 |
Camera | 2.0 megapixel fixed focus | 3.0 megapixel autofocus with macro mode and auto white balance |
Video recording | None | 30fps VGA with on-device editing capability |
Voice control | None | Dialing, music control |
Wireless technologIEs | 3.6Mbps HSDPA,?WIFI, Bluetooth 2.0 + EDR | 7.2Mbps HSDPA, WiFi, Bluetooth 2.1 + EDR |
Water- and oil-resistant finish | No | Yes |
Integrated magnetic compass | No | Yes |
Included headphones | Standard | Inline remote for music control |
Battery life | Up to 5 hours talk time / data on 3G, 10 hours on 2G Up to 6 hours data on WiFi Up to 24 hours audio Up to 7 hours video | Up to 5 hours talk time / data on 3G, 12 hours on 2G Up to 9 hours data on WiFi Up to 30 hours audio Up to 10 hours video |
Dimensions | 115.5 x 62.1 x 12.3mm | 115.5 x 62.1 x 12.3mm |
Weight | 133 grams / 4.69 oz. | 135 grams / 4.76 oz. |
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