Comparison of BenQ-Siemens P51 and Sony Ericsson Xperia X2 [S]ave
| Attribute |  BenQ-Siemens P51 × |  Sony Ericsson Xperia X2 × |
|---|---|---|
| General | ||
| Brand | BenQ-Siemens | Sony Ericsson |
| Launch | ||
| Announced | 2006-03-01 | 2009-09-01 |
| Body | ||
| Width (mm) | 20 | 16 |
| Length (mm) | 122 | 110 |
| Height (mm) | 60 | 54 |
| Weight (g) | 170 | 155 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| 3G bands | - |
|
| Speed | - |
|
| Platform | ||
| OS | Microsoft Windows Mobile 5.0 PocketPC | Microsoft Windows Mobile 6.5/6.5.2 Professional |
| Chipset | - | Qualcomm MSM7200A |
| CPU | 32-bit Intel XScale PXA272 416 MHz | 528 MHz ARM 11 |
| GPU | - | Adreno 130 |
| Memory | ||
| Card slot | MMC/SDIO | microSDHC (dedicated slot) |
| Internal |
|
|
| Display | ||
| Size (in) | 2.8 | 3.2 |
| Resolution (px) | 240 x 320 | 480 x 800 |
| Display Type | TFT resistive touchscreen | TFT resistive touchscreen |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Ion | Li-Po |
| Main Camera | ||
| Main Camera Type | Single | Single |
| Main Camera Properties |
|
|
| Main Camera Video | QCIF | w480p@30fps |
| Main Camera Features | - | LED flash |
| Comms | ||
| WLAN | Wi-Fi 802.11b/g, VoIP via Wi-Fi | Wi-Fi 802.11b/g, DLNA |
| Bluetooth | 1.2, A2DP | 2.1, A2DP |
| GPS | + | + |
| Radio | No | Stereo FM (via software update) |
| USB | Proprietary | microUSB 2.0 |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | - | + |
| Features | ||
| Sensors | - |
|
| Misc | ||
| Colors | - |
|
| SAR EU Head (W/kg) | - | 0.9 |
| Keyboard | QWERTY | QWERTY |
| Browser | WAP 2.0/xHTML, HTML | WAP 2.0/HTML (IE), RSS feeds |
| Stand-by (h) | 150 | 500 |
| Alert types | Vibration; Downloadable polyphonic, MP3 ringtones | - |
| Talk time (h) | Up to 4 h | Up to 10 h (2G) / Up to 6 h (3G) |
| Music play (h) | - | 20 |
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