Comparison of Amoi E850 and BenQ-Siemens EF51 [S]ave
| Attribute |  Amoi E850 × | BenQ-Siemens EF51 × |
|---|---|---|
| General | ||
| Brand | Amoi | BenQ-Siemens |
| Launch | ||
| Announced | 2006, Q2 | 2006-02-01 |
| Body | ||
| Width (mm) | 20 | 18 |
| Length (mm) | 102 | 89 |
| Height (mm) | 54 | 49 |
| Weight (g) | 108 | 95 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| Platform | ||
| OS | Microsoft Windows Mobile 5.0 for PocketPC Phone Edition | - |
| CPU | Intel XScale PXA 272 312 MHz | - |
| Memory | ||
| Card slot | microSD (dedicated slot) | miniSD |
| Internal |
|
|
| Display | ||
| Size (in) | 2.4 | 2.2 |
| Resolution (px) | 204 x 320 | 120 x 128 |
| Display Type | TFT resistive touchscreen | TFT |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Ion | Li-Ion |
| Main Camera | ||
| Main Camera Type | Single | Single |
| Main Camera Properties |
|
|
| Main Camera Video | Yes | No |
| Main Camera Features | LED flash | - |
| Comms | ||
| WLAN | No | No |
| Bluetooth | 1.2 | 1.2, A2DP |
| GPS | - | - |
| Radio | No | FM radio |
| USB | 1.1 | Proprietary |
| Sound | ||
| Loudspeaker | - | - |
| 3.5mm jack | - | - |
| Misc | ||
| Colors |
|
|
| Phonebook | - | Yes, Photo call |
| Call records | - | 10 dialed, 10 received, 10 missed calls |
| Infrared port | Yes | - |
| Alert types | Vibration; Downloadable polyphonic, MP3 ringtones | Vibration; Downloadable polyphonic, MP3 ringtones |
| Features | ||
| Messaging | - | SMS, MMS |
| Browser | WAP 2.0 | WAP 2.0/xHTML |
| Games | - | Yes + downloadable |
| Java | - | Yes, MIDP 2.0 |
| Stand-by (h) | 150 | 200 |
| Talk time (h) | Up to 4 h | Up to 4 h |
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