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| Phone | Ericsson R520 | Pantech Duo C810 | Motorola RIZR Z3 | Ericsson R278d |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
? | ? |
| Display Resolution & Type | ? |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
101 x 40 pixels |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,320 mAh | 780 mAh | ? |
| Processor | ? | ARM 920t PXA27x | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 1 megapixel | 2 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | QCIF (176 x 144) | - |
| Front Camera | - | - | - | - |
| Weight |
4.23 oz (120g) |
3.88 oz (110g) |
3.92 oz (111g) |
9.28 oz (263g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm) |
4.15" x 1.79" x 0.65" (105 x 45 x 16.5 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
| Form Factor | Slab | Slide | Slide | Slab |
| Platform / OS | (proprietary) | Windows Mobile Standard | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
| Data Technology | GPRS | HSDPA 1.8 | EDGE | - |
| Features | ||||
| Accessibility | ||||
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Infrared (IR) | Yes | - | - | - |
| USB | - | Yes |
Yes Mini-USB |
- |
| Contacts | ||||
| Picture ID | - | n/a | Yes | - |
| Ringer ID | - | n/a | Yes | - |
| Voice Dialing | Yes | n/a | Yes | - |
| Customization | ||||
| Custom Graphics | - | n/a | Yes | - |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | Yes * | - |
| EMS / Picture Messaging | - | n/a | Yes | - |
| Instant Messaging | - | n/a | Yes | - |
| MMS | - | n/a | Yes | - |
| Text Messaging Templates | Yes | n/a | Yes | - |
| Music | ||||
| Music Player | - | n/a | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | - |
| Calendar | Yes | n/a | Yes | - |
| To-Do List | - | n/a | - | - |
| Voice Memo | Yes | n/a | Yes | - |
| Software | ||||
| Games | Yes | n/a | Yes | - |
| Java (J2ME) | - | n/a | Yes | - |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| Ericsson R520 | Pantech Duo C810 | Motorola RIZR Z3 | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | Pantech Duo C810 | Motorola RIZR Z3 | Ericsson R278d |
