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| Phone | Palm Treo 800w | Audiovox CDM-9900 | Siemens C56 | Sony Ericsson Z750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
101 x 64 pixels |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,150 mAh | ? | 700 mAh | 950 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | Yes | - | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | - | ? |
| Front Camera | - | - | - | - |
| Weight |
5 oz (142g) |
4.09 oz (116g) |
3 oz (85g) |
3.88 oz (110g) |
| Dimensions |
4.4" x 2.3" x 0.7" (112 x 58 x 17.8 mm) |
3.66" x 1.89" x 0.95" (93 x 48 x 24.1 mm) |
3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm) |
3.83" x 1.93" x 0.79" (97 x 49 x 20.1 mm) |
| Form Factor | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | Windows Mobile Professional | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | 1xRTT | GPRS | HSDPA 1.8 |
| Features | ||||
| GPS / Location | n/a | Yes | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | - | - | Yes |
| Infrared (IR) | Yes | - | - | - |
| USB |
Yes Micro-USB |
Yes | Yes | Yes |
| Wi-Fi |
Yes 802.11 b,g |
- | - | - |
| Contacts | ||||
| Picture ID | n/a | Yes | - | Yes |
| Ringer ID | n/a | Yes | Yes | Yes |
| Voice Dialing | n/a | Yes | Yes | - |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | n/a | Yes | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | - | - | Yes |
| Data & Network | ||||
| Data Tethering | n/a | Yes | Yes | Yes |
| External Antenna Jack | n/a | - | - | Yes |
| WAP / Web Browser | n/a | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | - | - |
| Stylus | Yes | - | - | - |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen |
Yes Resistive |
- | - | - |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | - | - | Yes |
| EMS / Picture Messaging | n/a | Yes | Yes | - |
| Instant Messaging | n/a | - | - | Yes |
| MMS | n/a | Yes | - | Yes |
| Text Messaging Templates | n/a | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Music Player | n/a | - | - | Yes |
| Photo & Video | ||||
| Video Calling | n/a | - | - | Yes * |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes |
| To-Do List | n/a | Yes | - | Yes |
| Voice Memo | n/a | Yes | - | Yes |
| Software | ||||
| BREW | n/a | Yes | - | - |
| Games | n/a | Yes | Yes | Yes |
| Java (J2ME) | n/a | - | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Palm Treo 800w | Audiovox CDM-9900 | Siemens C56 | Sony Ericsson Z750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 800w | Audiovox CDM-9900 | Siemens C56 | Sony Ericsson Z750 |
