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| Phone | Samsung Knack U310 | LG AX-4270 / VX-4270 | Nokia Lumia 810 | Motorola V551 / V330 / V547 / V555 / V557 |
| 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) |
128 x 128 pixels LCD (STN) |
480 x 800 pixels (~217 ppi) AMOLED |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,000 mAh | ? | 1,800 mAh | 820 mAh |
| Processor | ? | ? | 1.5 GHz Qualcomm Snapdragon | ? |
| RAM | ? | ? | 1 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | - | - | 8 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | 1080p HD | ? |
| Front Camera | - | - | 1 megapixel | - |
| Weight |
3.63 oz (103g) |
3.21 oz (91g) |
5.11 oz (145g) |
4.23 oz (120g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
3.27" x 1.76" x 0.91" (83 x 45 x 23.1 mm) |
5" x 2.69" x 0.44" (127 x 68 x 11.2 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Windows | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | - | 1xRTT | HSPA+ 42 | EDGE |
| Features | ||||
| GPS / Location | Yes | Yes | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | Yes |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Mobile Hotspot | - | - | n/a | - |
| NFC | - | - | Yes | - |
| USB | - | - |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | Yes | n/a | Yes |
| Ringer ID | - | Yes | n/a | Yes |
| Voice Dialing | Yes | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | - | Yes | n/a | Yes |
| Custom Ringtones | - | Yes | n/a | Yes |
| Real-Music Ringers | - | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | Yes |
| WAP / Web Browser | - | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | - | n/a | Yes |
| EMS / Picture Messaging | Yes | - | n/a | Yes |
| Instant Messaging | - | - | n/a | Yes |
| MMS | - | Yes | n/a | Yes |
| Text Messaging Templates | - | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | - | n/a | - |
| Power | ||||
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| Voice Memo | - | Yes | n/a | Yes |
| Software | ||||
| BREW | - | Yes | n/a | - |
| Games | - | Yes | n/a | Yes |
| Java (J2ME) | - | - | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Knack U310 | LG AX-4270 / VX-4270 | Nokia Lumia 810 | Motorola V551 / V330 / V547 / V555 / V557 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | LG AX-4270 / VX-4270 | Nokia Lumia 810 | Motorola V551 / V330 / V547 / V555 / V557 |
