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| Phone | LG AX-490 | Sony Ericsson S710a | Samsung SPH-A520 | Casio G'zOne Rock |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
2.1" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
? LCD (STN) |
240 x 320 pixels (~190 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,100 mAh | 780 mAh | ? | 1,150 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 1 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | - | ? |
| Front Camera | - | - | - | - |
| Weight |
3.79 oz (107g) |
4.83 oz (137g) |
3.6 oz (102g) |
4.4 oz (125g) |
| Dimensions |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
4.23" x 1.93" x 0.96" (107 x 49 x 24.4 mm) |
3.46" x 1.83" x 0.91" (88 x 46 x 23.1 mm) |
4.1" x 2" x 0.9" (104 x 51 x 22.9 mm) |
| Form Factor | Clamshell | Swivel | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | EDGE | 1xRTT | EVDO rA |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | - | Yes | Yes |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | Yes |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | - | Yes | - | - |
| USB | Yes | Yes | - | Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes | Yes |
| Voice Dialing | Yes | Yes | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | Yes | - | - | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | - | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | Yes | - | Yes |
| EMS / Picture Messaging | - | Yes | - | - |
| Instant Messaging | - | - | - | Yes |
| MMS | Yes | Yes | - | Yes |
| Text Messaging Templates | Yes | Yes | - | Yes |
| Music | ||||
| Music Player | - | Yes | - | Yes |
| Stereo Speakers | Yes | - | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | - | Yes | Yes | - |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| BREW | Yes | - | - | Yes |
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | - | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | Yes | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | - | Yes |
| LG AX-490 | Sony Ericsson S710a | Samsung SPH-A520 | Casio G'zOne Rock | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG AX-490 | Sony Ericsson S710a | Samsung SPH-A520 | Casio G'zOne Rock |
