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| Phone | Casio Exilim C721 | Samsung SCH-A610 | Sanyo SCP-3810 / Mirro |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.3" diag. 4 : 3 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 920 mAh | 1,300 mAh | 1,000 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | Yes | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QVGA (320 x 240) | - | - |
| Front Camera | - | - | - |
| Weight |
4.48 oz (127g) |
4.23 oz (120g) |
3.97 oz (112g) |
| Dimensions |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
3.82" x 2.01" x 0.71" (97 x 51 x 18.1 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO rA | 1xRTT | 1xRTT |
| Features | |||
| Flashlight | Yes | - | - |
| GPS / Location | Yes | Yes | Yes |
| Ruggedized | Yes | - | - |
| Water-Resistant | Yes | - | - |
| Accessibility | |||
| Adjustable Text Size | Yes | - | Yes |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| USB | Yes | - |
Yes Micro-USB |
| Contacts | |||
| Picture ID | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes |
| Voice Dialing | Yes | Yes | Yes |
| Customization | |||
| Custom Graphics | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes |
| Real-Music Ringers | Yes | - | Yes |
| Data & Network | |||
| Data Tethering | Yes | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes |
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| Email Client | - | - | Yes |
| EMS / Picture Messaging | Yes | Yes | - |
| Instant Messaging | Yes | - | Yes |
| MMS | Yes | Yes | - |
| Text Messaging Templates | Yes | Yes | Yes |
| Music | |||
| Music Player | Yes | - | - |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes |
| To-Do List | Yes | Yes | Yes |
| Voice Memo | Yes | Yes | Yes |
| Software | |||
| BREW | Yes | Yes | - |
| Games | Yes | Yes | Yes |
| Java (J2ME) | - | - | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | - | Yes | Yes |
| Speaker Phone | Yes | - | Yes |
| Casio Exilim C721 | Samsung SCH-A610 | Sanyo SCP-3810 / Mirro | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio Exilim C721 | Samsung SCH-A610 | Sanyo SCP-3810 / Mirro |
