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| Phone | Samsung UpStage M620 | Siemens CT66 / C66 / C65 / C71 / C70 | Samsung SPH-A660 / VI660 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
130 x 130 pixels LCD (Color) |
128 x 160 pixels LCD (Color) |
| Display Refresh | ? | ? | ? |
| Battery | 620 mAh | 600 mAh | ? |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | Yes | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | - | - |
| Front Camera | - | - | - |
| Weight |
2.57 oz (73g) |
3 oz (85g) |
3.54 oz (100g) |
| Dimensions |
4.07" x 1.73" x 0.37" (103 x 44 x 9.4 mm) |
4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm) |
3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | EVDO r0 | GPRS | 1xRTT |
| Features | |||
| GPS / Location | - | - | Yes |
| Accessibility | |||
| Adjustable Text Size | Yes | - | - |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
- | - |
| Multiple Languages | - | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | - | - |
| Infrared (IR) | - | Yes | - |
| USB | Yes | Yes | - |
| Contacts | |||
| Picture ID | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes |
| Voice Dialing | Yes | - | Yes |
| Customization | |||
| Changeable Body Plates | - | Yes | - |
| Custom Graphics | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes |
| Real-Music Ringers | Yes | - | - |
| Data & Network | |||
| Data Tethering | - | - | Yes |
| External Antenna Jack | Yes | - | - |
| WAP / Web Browser | Yes | Yes | Yes |
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes |
| Side Keys | Yes | - | Yes |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| EMS / Picture Messaging | - | Yes | - |
| Instant Messaging | Yes | - | - |
| MMS | Yes | Yes | - |
| Text Messaging Templates | 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 | |||
| Games | Yes | Yes | Yes |
| Java (J2ME) | Yes | Yes | Yes |
| Voice | |||
| Call Screening | - | Yes | - |
| Headset Jack (2.5 mm) | - | - | Yes |
| Push-To-Talk | - | Yes * | - |
| Speaker Phone | Yes | Yes | - |
| * Some versions only | |||
| Samsung UpStage M620 | Siemens CT66 / C66 / C65 / C71 / C70 | Samsung SPH-A660 / VI660 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung UpStage M620 | Siemens CT66 / C66 / C65 / C71 / C70 | Samsung SPH-A660 / VI660 |
