iPhone 4S
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- Weight: 140 grams.
- Camera: 8 megapixel, face detection in still images, video stabilization and HD video recording (1080p).
- Cellular and wireless: Bluetooth 4.0.
- Features: Siri.
iPhone 4
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- Weight: 137 grams.
- Camera: 5 megapixel and HD video recording (720p).
- Cellular and wireless: Bluetooth 2.1 + EDR.
Source: www.apple.com
