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| Phone | Samsung SCH-A310 | Sharp Z-800 (Audiovox 7900) | Palm Treo 650 (CDMA) | Cal-Comp EZ |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
| Display Resolution & Type |
128 x 128 pixels LCD (Grayscale) |
? LCD (Color) |
320 x 320 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | ? | ? | 800 mAh |
| Processor | ? | ? | 312 MHz Intel XScale PXA270 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | Yes | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | QVGA (320 x 240) | - |
| Front Camera | - | - | - | - |
| Weight |
3.2 oz (91g) |
4.25 oz (120g) |
6.3 oz (179g) |
2.47 oz (70g) |
| Dimensions |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
3.6" x 2" x 1.1" (91 x 51 x 27.9 mm) |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Palm OS | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | - | 1xRTT | 1xRTT |
| Features | ||||
| GPS / Location | Yes | - | n/a | Yes |
| Accessibility | ||||
| Multiple Languages | Yes | - | n/a | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | - |
| Infrared (IR) | - | - | Yes | - |
| USB | Yes | - | - |
Yes Mini-USB |
| Contacts | ||||
| Picture ID | - | Yes | n/a | - |
| Ringer ID | - | Yes | n/a | - |
| Voice Dialing | Yes | - | n/a | - |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | - | Yes | n/a | - |
| Custom Ringtones | - | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | - |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | - |
| Side Keys | Yes | Yes | Yes | - |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | - | n/a | - |
| MMS | - | - | n/a | - |
| Text Messaging Templates | - | Yes | n/a | Yes |
| Music | ||||
| Music Player | - | - | n/a | - |
| Productivity | ||||
| Alarm | - | Yes | n/a | Yes |
| Calculator | - | - | n/a | Yes |
| Calendar | Yes | - | n/a | Yes |
| To-Do List | - | - | n/a | Yes |
| Voice Memo | Yes | - | n/a | Yes * |
| Software | ||||
| BREW | - | Yes | n/a | - |
| Games | Yes | Yes | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | n/a | Yes |
| Speaker Phone | - | - | Yes | - |
| * Some versions only | ||||
| Samsung SCH-A310 | Sharp Z-800 (Audiovox 7900) | Palm Treo 650 (CDMA) | Cal-Comp EZ | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A310 | Sharp Z-800 (Audiovox 7900) | Palm Treo 650 (CDMA) | Cal-Comp EZ |
