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| Phone | Ericsson R278d | Sony Ericsson T310 | Samsung Omnia i910 | Samsung SCH-U550 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
3.2" diag. 5 : 3 |
2.1" diag. 4 : 3 |
| Display Resolution & Type | 101 x 40 pixels |
101 x 80 pixels LCD (STN) |
240 x 400 pixels (~146 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | ? | 1,440 mAh | 800 mAh |
| Processor | ? | ? | 624 MHz Marvell PXA312 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | - | - | 5 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | VGA (640 x 480) | ? |
| Front Camera | - | - | - | - |
| Weight |
9.28 oz (263g) |
3.42 oz (97g) |
4.16 oz (118g) |
3.17 oz (90g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.09" x 1.93" x 0.75" (104 x 49 x 19.1 mm) |
4.4" x 2.24" x 0.51" (112 x 57 x 13 mm) |
3.76" x 1.92" x 0.68" (96 x 49 x 17.3 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Professional | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | - | GPRS | EVDO rA | EVDO r0 |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | Yes | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | - |
| Hearing Aid Compatible | - | - |
Yes M4 (very compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| USB | - | Yes | Yes | - |
| Wi-Fi | - | - |
Yes 802.11 b,g |
- |
| Contacts | ||||
| Picture ID | - | Yes | n/a | Yes |
| Ringer ID | - | Yes | n/a | Yes |
| Voice Dialing | - | - | n/a | Yes |
| Customization | ||||
| Custom Graphics | - | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | n/a | - |
| EMS / Picture Messaging | - | Yes | n/a | Yes |
| Instant Messaging | - | - | n/a | - |
| MMS | - | Yes | n/a | Yes |
| Text Messaging Templates | - | Yes | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Music Player | - | - | n/a | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | - | Yes | n/a | Yes |
| Calendar | - | Yes | n/a | Yes |
| To-Do List | - | - | n/a | - |
| Voice Memo | - | Yes | n/a | Yes |
| Software | ||||
| BREW | - | - | n/a | Yes |
| Games | - | Yes | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | - | n/a | Yes |
| Speaker Phone | - | - | Yes | Yes |
| Ericsson R278d | Sony Ericsson T310 | Samsung Omnia i910 | Samsung SCH-U550 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Sony Ericsson T310 | Samsung Omnia i910 | Samsung SCH-U550 |
