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| Phone | Huawei Ascend | BlackBerry 7750 | Samsung SGH-X640 | Motorola V551 / V330 / V547 / V555 / V557 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? | ? | ? |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 1,500 mAh | ? | 800 mAh | 820 mAh |
| Processor | 528 MHz Qualcomm S1 MSM7625 | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | - | Yes | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | CIF (352 x 288) | - | - | ? |
| Front Camera | - | - | - | - |
| Weight |
4.76 oz (135g) |
5.01 oz (142g) |
3 oz (85g) |
4.23 oz (120g) |
| Dimensions |
4.57" x 2.44" x 0.55" (116 x 62 x 14 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | Android | BlackBerry OS | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | 1xRTT | GPRS | EDGE |
| Features | ||||
| GPS / Location | n/a | n/a | - | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4 (very compatible) |
- | - | - |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | - | Yes |
| USB | Yes | Yes | - | Yes |
| Wi-Fi |
Yes 802.11 b,g |
- | - | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | - | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | - | Yes |
| Data & Network | ||||
| Data Tethering | n/a | n/a | - | Yes |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
- | - | - |
| Memory | ||||
| Memory Card Slot | Yes | - | - | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | Yes |
| EMS / Picture Messaging | n/a | n/a | Yes | Yes |
| Instant Messaging | n/a | n/a | - | Yes |
| MMS | n/a | n/a | Yes | Yes |
| Text Messaging Templates | n/a | n/a | Yes | Yes |
| Music | ||||
| Music Player | n/a | n/a | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | Yes | - |
| Voice Memo | n/a | n/a | Yes | Yes |
| Software | ||||
| Games | n/a | n/a | Yes | Yes |
| Java (J2ME) | n/a | n/a | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | n/a | Yes | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| * Some versions only | ||||
| Huawei Ascend | BlackBerry 7750 | Samsung SGH-X640 | Motorola V551 / V330 / V547 / V555 / V557 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Huawei Ascend | BlackBerry 7750 | Samsung SGH-X640 | Motorola V551 / V330 / V547 / V555 / V557 |
