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| Phone | Samsung SPH-A660 / VI660 | Samsung Knack U310 | Sharp Z-800 (Audiovox 7900) | Samsung SCH-A610 | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
? | ? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (Color) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
? LCD (Color) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | ? | 1,000 mAh | ? | 1,300 mAh | 1,000 mAh |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - | Yes | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | - | ? |
| Front Camera | - | - | - | - | - |
| Weight |
3.54 oz (100g) |
3.63 oz (103g) |
4.25 oz (120g) |
4.23 oz (120g) |
4.4 oz (125g) |
| Dimensions |
3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
3.6" x 2" x 1.1" (91 x 51 x 27.9 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | - | - | 1xRTT | EVDO r0 |
| Features | |||||
| Flashlight | - | - | - | - | Yes |
| GPS / Location | Yes | Yes | - | Yes | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | - | - | - |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- | - |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | - | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | - | - | - | Yes |
| USB | - | - | - | - | 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 |
| Data & Network | |||||
| Data Tethering | Yes | - | Yes | Yes | Yes |
| WAP / Web Browser | Yes | - | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | - | - | - | Yes |
| Messaging | |||||
| EMS / Picture Messaging | - | Yes | - | Yes | Yes |
| MMS | - | - | - | Yes | Yes |
| Text Messaging Templates | - | - | Yes | Yes | Yes |
| Music | |||||
| Music Player | - | - | - | - | Yes |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | - | Yes | Yes |
| Calendar | Yes | Yes | - | Yes | Yes |
| To-Do List | Yes | - | - | Yes | - |
| Voice Memo | Yes | - | - | Yes | Yes |
| Software | |||||
| BREW | - | - | Yes | Yes | Yes |
| Games | Yes | - | Yes | Yes | Yes |
| Java (J2ME) | Yes | - | - | - | - |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | Yes | Yes | Yes | - |
| Speaker Phone | - | Yes | - | - | Yes |
| Samsung SPH-A660 / VI660 | Samsung Knack U310 | Sharp Z-800 (Audiovox 7900) | Samsung SCH-A610 | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-A660 / VI660 | Samsung Knack U310 | Sharp Z-800 (Audiovox 7900) | Samsung SCH-A610 | Samsung SCH-A990 |
