Mobile Phone Comparison
Compare two mobile phones by specification with user ratings by performance, design and value.
Compare Apple iPhone 3G to i-mobile 638CG
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| Display | - TFT capacitive touchscreen - 16M colors
- 320 x 480 pixels - 3.5 inches
- Multi-touch input method
- Accelerometer sensor for auto-rotate
- Proximity sensor for auto turn-off
- Scratch-resistant surface
| | Operating System | iPhone OS (based on Mac OS) | | Processor | ARM 11 412 MHz, PowerVR MBX-Lite graphics | | Memory | - Phonebook: Practically unlimited entries and fields - Photocall
- Call records: 100 received - dialed and missed calls
- Internal: 8 GB/ 16 GB storage and 128 MB RAM
| | Network | - 2G: GSM 850 / 900 / 1800 / 1900
- 3G: HSDPA 850 / 1900 / 2100
| | Camera | 2 MP, 1600x1200 pixels | | Video | | | Sound | - Alert types: Vibration; Downloadable polyphonic / MP3 ringtones
- Speakerphone: Yes
- 3.5 mm headset jack
| | Dimensions | 115.5 x 62.1 x 12.3 mm | | Weight | 133 g | | Battery | - Standard battery - Li-Ion
- Stand-by: Up to 300 h
- Talk time: Up to 10 h
- Music play: Up to 24 h
| | Features | - Google Maps
- Audio/video player
- TV-out
| | Radio | | | GPS | A-GPS support | |
| GPRS | Yes | | HSCSD | | | EDGE | Yes | | 3G | HSDPA | | Wireless | Wi-Fi 802.11b/g | | Bluetooth | v2.0 with A2DP, headset support only | | USB | v2.0 |
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| Display | - TFT - 256K colors
- 240 x 320 pixels - 2.4 inches
| | Operating System | | | Processor | | | Memory | - Phonebook: 1000 entries - Photocall
- Internal: 25 MB
- Card slot: microSD (TransFlash) up to 8GB
| | Network | - 2G: GSM 900 / 1800 / 1900 - CDMA 800
| | Camera | 3.15 MP, 2048x1536 pixels | | Video | Yes | | Sound | - Alert types: Vibration; Downloadable polyphonic / MP3 ringtones
- Speakerphone: Yes
| | Dimensions | 113 x 51 x 14.5 mm | | Weight | | | Battery | - Standard battery - Li-Ion 1050 mAh
- Stand-by: Up to 400 h
- Talk time: Up to 8 h 30 min
| | Features | - Dual SIM
- TV tuner
- MP3 player
- MPEG4 / 3GP player
- Organizer
- T9
| | Radio | FM radio | | GPS | | |
| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | | HSCSD | Yes | | EDGE | | | 3G | | | Wireless | | | Bluetooth | Yes | | USB | microUSB |
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