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| Phone | Motorola Q | Casio Exilim C721 | Samsung SGH-A157 | Samsung Jitterbug J / SPH-A310 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.3" diag. 4 : 3 |
1.8" diag. 4 : 3 |
2.1" diag. 4 : 3 |
| Display Resolution & Type |
320 x 240 pixels LCD (TFT/TFD) |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,130 mAh | 920 mAh | 800 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 256 MB | ? raw hardware |
| Main Camera | 1 megapixel | 5 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | QVGA (320 x 240) | - | - |
| Front Camera | - | - | - | - |
| Weight |
4.06 oz (115g) |
4.48 oz (127g) |
2.99 oz (85g) |
3.99 oz (113g) |
| Dimensions |
4.57" x 2.52" x 0.47" (116 x 64 x 11.9 mm) |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
3.87" x 2.16" x 0.97" (98 x 55 x 24.6 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Clamshell |
| Platform / OS | Windows Mobile Standard | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO r0 | EVDO rA | ? | - |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | n/a | Yes | Yes | Yes |
| Ruggedized | - | Yes | - | - |
| Water-Resistant | - | Yes | - | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | Yes | - |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4 (very compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | Yes | - | - | - |
| USB |
Yes Mini-USB |
Yes |
Yes Micro-USB |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | - |
| Ringer ID | n/a | Yes | Yes | - |
| Voice Dialing | n/a | Yes | - | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | - |
| Custom Ringtones | n/a | Yes | Yes | - |
| Real-Music Ringers | n/a | Yes | Yes | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | - |
| External Antenna Jack | n/a | - | - | - |
| WAP / Web Browser | n/a | Yes | Yes | - |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | - |
| Side Keys | Yes | Yes | - | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | n/a | - | - | - |
| EMS / Picture Messaging | n/a | Yes | - | - |
| Instant Messaging | n/a | Yes | - | - |
| MMS | n/a | Yes | Yes | - |
| Text Messaging Templates | n/a | Yes | Yes | Yes |
| Music | ||||
| Music Player | n/a | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | - |
| Calculator | n/a | Yes | Yes | - |
| Calendar | n/a | Yes | Yes | - |
| To-Do List | n/a | Yes | Yes | - |
| Voice Memo | n/a | Yes | Yes | - |
| Software | ||||
| BREW | n/a | Yes | - | - |
| Games | n/a | Yes | - | - |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Motorola Q | Casio Exilim C721 | Samsung SGH-A157 | Samsung Jitterbug J / SPH-A310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Q | Casio Exilim C721 | Samsung SGH-A157 | Samsung Jitterbug J / SPH-A310 |
