Compare Phones
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| Phone | Samsung Galaxy Ring / Prevail 2 | Palm Treo Pro (GSM) | Motorola i450 / i455 | Siemens SL55 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
? | ? | ? |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
130 x 130 pixels LCD (STN) |
101 x 80 pixels LCD (STN) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 1,750 mAh | 1,500 mAh | ? | 500 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | 400 MHz MSM7201 | ? | ? |
| RAM | 1 GB | ? | ? | ? |
| Storage | 4 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | 2 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | ? | - | - |
| Front Camera | 1 megapixel | - | - | - |
| Weight |
3.4 oz (96g) |
4.69 oz (133g) |
4.5 oz (128g) |
2.79 oz (79g) |
| Dimensions |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) |
3.5" x 2" x 1.1" (89 x 51 x 27.9 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
| Form Factor | Slab | Slab | Clamshell | Slide |
| Platform / OS | Android | Windows Mobile Professional | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 800, 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
iDEN: 800 |
GSM: 900, 1800, 1900 |
| Data Technology | EVDO rA | HSDPA 3.6 | - | GPRS |
| 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 | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | - |
| Infrared (IR) | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
Yes | - |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 802.11 b,g |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes * | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | Yes |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes Resistive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | Yes |
| EMS / Picture Messaging | n/a | n/a | - | Yes |
| Instant Messaging | n/a | n/a | - | - |
| MMS | n/a | n/a | Yes | Yes |
| Text Messaging Templates | n/a | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | - | - |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | - | Yes |
| Calculator | n/a | n/a | - | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | - | Yes |
| Voice Memo | n/a | n/a | Yes | Yes |
| Software | ||||
| Games | n/a | n/a | Yes | Yes |
| Java (J2ME) | n/a | n/a | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | n/a | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Galaxy Ring / Prevail 2 | Palm Treo Pro (GSM) | Motorola i450 / i455 | Siemens SL55 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Ring / Prevail 2 | Palm Treo Pro (GSM) | Motorola i450 / i455 | Siemens SL55 |
