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| Phone | Palm Treo Pro (CDMA) | LG VX-8550 Chocolate | Samsung Impression SGH-A877 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 400 pixels (~146 ppi) AMOLED |
| Display Refresh | ? | ? | ? |
| Battery | 1,500 mAh | 800 mAh | 1,000 mAh |
| Processor | 528 MHz Qualcomm MSM7501a | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | 1 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | QCIF (176 x 144) | QVGA (320 x 240) |
| Front Camera | - | - | - |
| Weight |
4.69 oz (133g) |
3.24 oz (92g) |
5.2 oz (147g) |
| Dimensions |
4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) |
3.85" x 1.87" x 0.67" (98 x 47 x 17 mm) |
4.48" x 2.28" x 0.64" (114 x 58 x 16.3 mm) |
| Form Factor | Slab | Slide | Slab |
| Platform / OS | Windows Mobile Professional | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | EVDO r0 | HSDPA 3.6 |
| Features | |||
| GPS / Location | n/a | Yes | Yes |
| Accessibility | |||
| Adjustable Text Size | n/a | - | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - |
| USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi |
Yes 802.11 b,g |
- | - |
| Contacts | |||
| Picture ID | n/a | Yes | Yes |
| Ringer ID | n/a | Yes | Yes |
| Voice Dialing | n/a | Yes | - |
| Customization | |||
| Custom Graphics | n/a | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes |
| Real-Music Ringers | n/a | Yes | Yes |
| Data & Network | |||
| Data Tethering | n/a | Yes | Yes |
| WAP / Web Browser | n/a | Yes | Yes |
| Input | |||
| Predictive Text Entry | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Stylus | Yes | - | - |
| Text Keyboard, Hardware | Yes | - | Yes |
| Touch Screen |
Yes Resistive |
- |
Yes Resistive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | n/a | - | Yes |
| Instant Messaging | n/a | - | Yes |
| MMS | n/a | Yes | Yes |
| Text Messaging Templates | n/a | Yes | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | - |
| Music Player | n/a | Yes | Yes |
| Productivity | |||
| Alarm | n/a | Yes | Yes |
| Calculator | n/a | Yes | Yes |
| Calendar | n/a | Yes | Yes |
| To-Do List | n/a | - | Yes |
| Voice Memo | n/a | Yes | Yes |
| Software | |||
| BREW | n/a | Yes | - |
| Games | n/a | Yes | Yes |
| Java (J2ME) | n/a | - | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Palm Treo Pro (CDMA) | LG VX-8550 Chocolate | Samsung Impression SGH-A877 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo Pro (CDMA) | LG VX-8550 Chocolate | Samsung Impression SGH-A877 |
