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| Phone | Motorola V551 / V330 / V547 / V555 / V557 | Siemens A56 / A56i | Pantech Matrix Pro C820 | Palm Treo 600 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
101 x 64 pixels |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
160 x 160 pixels LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 820 mAh | 700 mAh | 1,320 mAh | ? |
| Processor | ? | ? | 528 MHz ARM 11 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | 2 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | QCIF (176 x 144) | - |
| Front Camera | - | - | - | - |
| Weight |
4.23 oz (120g) |
3 oz (85g) |
5.34 oz (151g) |
6.2 oz (176g) |
| Dimensions |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
4.2" x 2" x 0.9" (107 x 51 x 22.9 mm) |
4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm) |
| Form Factor | Clamshell | Slab | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Standard | Palm OS |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | EDGE | - | HSDPA 3.6 | 1xRTT |
| Features | ||||
| GPS / Location | - | Yes | n/a | n/a |
| Accessibility | ||||
| Multiple Languages | Yes | - | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| Infrared (IR) | - | - | - | Yes |
| USB | Yes | - | Yes | Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | - | n/a | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | Yes | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | - | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | - | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a |
| Instant Messaging | Yes | - | n/a | n/a |
| MMS | Yes | - | n/a | n/a |
| Text Messaging Templates | Yes | - | n/a | n/a |
| Music | ||||
| Music Player | - | - | n/a | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | - | n/a | n/a |
| To-Do List | - | - | n/a | n/a |
| Voice Memo | Yes | - | n/a | n/a |
| Software | ||||
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | - | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a |
| Speaker Phone | Yes | - | Yes | Yes |
| Motorola V551 / V330 / V547 / V555 / V557 | Siemens A56 / A56i | Pantech Matrix Pro C820 | Palm Treo 600 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola V551 / V330 / V547 / V555 / V557 | Siemens A56 / A56i | Pantech Matrix Pro C820 | Palm Treo 600 (CDMA) |
