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| Phone | Palm Treo Pro (GSM) | Samsung Galaxy Ring / Prevail 2 | Motorola i450 / i455 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
? |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
130 x 130 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,500 mAh | 1,750 mAh | ? |
| Processor | 400 MHz MSM7201 | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | ? |
| RAM | ? | 1 GB | ? |
| Storage | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | 2 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | 720p HD | - |
| Front Camera | - | 1 megapixel | - |
| Weight |
4.69 oz (133g) |
3.4 oz (96g) |
4.5 oz (128g) |
| Dimensions |
4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
3.5" x 2" x 1.1" (89 x 51 x 27.9 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | Windows Mobile Professional | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
iDEN: 800 |
| Data Technology | HSDPA 3.6 | EVDO rA | - |
| Features | |||
| GPS / Location | n/a | n/a | Yes |
| Accessibility | |||
| Adjustable Text Size | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | - |
| USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi |
Yes 802.11 b,g |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | Yes |
| Customization | |||
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | Yes * |
| Data & Network | |||
| Data Tethering | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Stylus | Yes | - | - |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen |
Yes Resistive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Messaging | |||
| Email Client | n/a | n/a | - |
| Instant Messaging | n/a | n/a | - |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Music Player | n/a | n/a | - |
| Photo & Video | |||
| DLNA | - | Yes | - |
| Productivity | |||
| Alarm | n/a | n/a | - |
| Calculator | n/a | n/a | - |
| Calendar | n/a | n/a | Yes |
| To-Do List | n/a | n/a | - |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | n/a | Yes |
| Push-To-Talk | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Palm Treo Pro (GSM) | Samsung Galaxy Ring / Prevail 2 | Motorola i450 / i455 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo Pro (GSM) | Samsung Galaxy Ring / Prevail 2 | Motorola i450 / i455 |
