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| Phone | Casio Exilim C721 | ZTE Z222 / Z223 | Samsung SGH-A197 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.3" diag. 4 : 3 |
2" diag. 4 : 3 |
2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~102 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 920 mAh | 900 mAh | 800 mAh |
| Processor | ? | QSC6270 | ? |
| RAM | ? | 64 MB | ? |
| Storage | ? raw hardware | 128 MB | ? raw hardware |
| Main Camera | 5 megapixel | Yes | Yes |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | - |
| Front Camera | - | - | - |
| Weight |
4.48 oz (127g) |
3.24 oz (92g) |
2.7 oz (77g) |
| Dimensions |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
3.78" x 1.85" x 0.75" (96 x 47 x 19.1 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
GSM: 850, 1900 |
| Data Technology | EVDO rA | HSDPA 3.6 | GPRS |
| Features | |||
| Flashlight | Yes | - | - |
| GPS / Location | Yes | - | - |
| Ruggedized | Yes | - | - |
| Water-Resistant | Yes | - | - |
| Accessibility | |||
| Adjustable Text Size | Yes | - | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | Yes | Yes |
| Ringer Profiles | - | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Contacts | |||
| Picture ID | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes |
| Voice Dialing | Yes | - | - |
| Customization | |||
| Custom Graphics | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes |
| Real-Music Ringers | Yes | Yes | Yes |
| Data & Network | |||
| Data Tethering | 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 | Yes |
| EMS / Picture Messaging | Yes | - | - |
| Instant Messaging | Yes | - | Yes |
| MMS | Yes | Yes | Yes |
| Text Messaging Templates | Yes | Yes | Yes |
| Music | |||
| FM Radio | - | Yes * | - |
| Music Player | Yes | - | - |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes |
| To-Do List | Yes | - | - |
| Voice Memo | Yes | Yes | Yes |
| Software | |||
| BREW | Yes | - | - |
| Games | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | Yes |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Casio Exilim C721 | ZTE Z222 / Z223 | Samsung SGH-A197 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio Exilim C721 | ZTE Z222 / Z223 | Samsung SGH-A197 |
