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| Phone | Samsung Knack U310 | LG Revolution | Motorola V220 | Ericsson R278d |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
4.3" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
101 x 40 pixels |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 1,000 mAh | 1,500 mAh | 820 mAh | ? |
| Processor | ? | 1 GHz Qualcomm Snapdragon S2 MSM8655 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | - | 5 megapixel | Yes | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 720p HD | - | - |
| Front Camera | - | 1 megapixel | - | - |
| Weight |
3.63 oz (103g) |
6.08 oz (172g) |
3.7 oz (105g) |
9.28 oz (263g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm) |
3.29" x 1.73" x 0.94" (84 x 44 x 23.9 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
GSM: 850, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
| Data Technology | - | LTE (Cat 3) | GPRS | - |
| Features | ||||
| GPS / Location | Yes | n/a | - | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | - | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | - | - |
| Mobile Hotspot | - | n/a | - | - |
| USB | - | Yes | Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- | - |
| 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 | - | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | Yes |
| WAP / Web Browser | - | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| Email Client | - | n/a | - | - |
| EMS / Picture Messaging | Yes | n/a | Yes | - |
| Instant Messaging | - | n/a | Yes | - |
| MMS | - | n/a | Yes | - |
| Text Messaging Templates | - | n/a | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | n/a | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Video Calling | - | n/a | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | - |
| Calendar | Yes | n/a | Yes | - |
| Voice Memo | - | n/a | - | - |
| Software | ||||
| Games | - | n/a | Yes | - |
| Java (J2ME) | - | n/a | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | Yes | - |
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung Knack U310 | LG Revolution | Motorola V220 | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | LG Revolution | Motorola V220 | Ericsson R278d |
