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| Phone | Sony Ericsson K850 | Motorola T730 / T731c | Ericsson R278d | LG Revolution | LG VI5225 / 5400A |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? | ? |
4.3" diag. 5 : 3 |
? |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
101 x 40 pixels |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | ? | 750 mAh | ? | 1,500 mAh | 950 mAh |
| Processor | ? | ? | ? | 1 GHz Qualcomm Snapdragon S2 MSM8655 | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | 5 megapixel | - | - | 5 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | - | - | 720p HD | - |
| Front Camera | - | - | - | 1 megapixel | - |
| Weight |
4.2 oz (119g) |
4.06 oz (115g) |
9.28 oz (263g) |
6.08 oz (172g) |
3.5 oz (99g) |
| Dimensions |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
3.54" x 1.87" x 0.91" (90 x 47 x 23.1 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm) |
3.5" x 1.89" x 1" (89 x 48 x 25.4 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
TDMA: 850, 1900 AMPS: 850 |
4G LTE: 13 CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | 1xRTT | - | LTE (Cat 3) | 1xRTT |
| Features | |||||
| GPS / Location | - | Yes | - | n/a | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | Yes |
| Ringer Profiles | Yes | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | - | Yes | - |
| Mobile Hotspot | - | - | - | n/a | - |
| USB | Yes | Yes | - | Yes | - |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | - | - | n/a | Yes |
| Ringer ID | Yes | Yes | - | n/a | - |
| Voice Dialing | Yes | Yes | - | n/a | - |
| Customization | |||||
| Changeable Body Plates | - | Yes | - | - | - |
| Custom Graphics | Yes | Yes | - | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | - | - | n/a | - |
| Data & Network | |||||
| Data Tethering | Yes | Yes | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | - |
| Messaging | |||||
| Email Client | Yes | Yes | - | n/a | - |
| EMS / Picture Messaging | - | Yes | - | n/a | - |
| Instant Messaging | - | - | - | n/a | - |
| MMS | Yes | - | - | n/a | - |
| Text Messaging Templates | Yes | Yes | - | n/a | - |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | Yes | - | - | n/a | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| TV Output | - | - | - | Yes | - |
| Video Calling | Yes * | - | - | n/a | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | - | n/a | Yes |
| Calendar | Yes | Yes | - | n/a | Yes |
| To-Do List | Yes | - | - | n/a | - |
| Voice Memo | Yes | Yes | - | n/a | - |
| Software | |||||
| BREW | - | Yes * | - | n/a | Yes * |
| Games | Yes | Yes | - | n/a | Yes |
| Java (J2ME) | Yes | - | - | n/a | Yes * |
| Voice | |||||
| Headset Jack (2.5 mm) | - | Yes | - | n/a | Yes |
| Speaker Phone | Yes | - | - | Yes | Yes |
| * Some versions only | |||||
| Sony Ericsson K850 | Motorola T730 / T731c | Ericsson R278d | LG Revolution | LG VI5225 / 5400A | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson K850 | Motorola T730 / T731c | Ericsson R278d | LG Revolution | LG VI5225 / 5400A |
