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| Phone | Samsung SCH-A645 | Siemens CT66 / C66 / C65 / C71 / C70 | Samsung SGH-A657 | UTStarcom PPC-6700 / XV-6700 / HTC Apache |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
130 x 130 pixels LCD (Color) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,000 mAh | 600 mAh | 1,420 mAh | 1,350 mAh |
| Processor | ? | ? | ? | 416 MHz Intel |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | Yes | - | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | ? |
| Front Camera | - | - | - | - |
| Weight |
3.2 oz (91g) |
3 oz (85g) |
4.34 oz (123g) |
6.07 oz (172g) |
| Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.25" x 2.32" x 0.93" (108 x 59 x 23.6 mm) |
| Form Factor | Clamshell | Slab | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Windows Mobile Professional |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | GPRS | HSDPA 3.6 | EVDO r0 |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | - | Yes | n/a |
| Ruggedized | - | - | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - | - |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Infrared (IR) | - | Yes | - | Yes |
| USB | - | Yes | Yes |
Yes Mini-USB |
| Wi-Fi | - | - | - | Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | - | Yes | Yes | n/a |
| Voice Dialing | Yes | - | - | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | - | Yes | n/a |
| WAP / Web Browser | Yes * | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | Yes | n/a |
| EMS / Picture Messaging | Yes | Yes | - | n/a |
| Instant Messaging | - | - | Yes | n/a |
| MMS | - | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| Music Player | - | - | Yes | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| BREW | Yes * | - | - | n/a |
| Games | Yes * | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | Yes | n/a |
| Voice | ||||
| Call Screening | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | - | - | n/a |
| Push-To-Talk | - | Yes * | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SCH-A645 | Siemens CT66 / C66 / C65 / C71 / C70 | Samsung SGH-A657 | UTStarcom PPC-6700 / XV-6700 / HTC Apache | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A645 | Siemens CT66 / C66 / C65 / C71 / C70 | Samsung SGH-A657 | UTStarcom PPC-6700 / XV-6700 / HTC Apache |
