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| Phone | Samsung Galaxy Ring / Prevail 2 | BlackBerry Storm2 9550 | Samsung SGH-E640 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
3.3" diag. 4 : 3 |
? |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 1,750 mAh | 1,400 mAh | 800 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | ? | ? |
| RAM | 1 GB | ? | ? |
| Storage | 4 GB | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | 3 megapixel | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | ? | QCIF (176 x 144) |
| Front Camera | 1 megapixel | - | - |
| Weight |
3.4 oz (96g) |
5.64 oz (160g) |
3.17 oz (90g) |
| Dimensions |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | Android | BlackBerry OS | (proprietary) |
| Network Bands |
CDMA: 800, 850, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | EVDO rA | EVDO rA | GPRS |
| Features | |||
| GPS / Location | n/a | n/a | - |
| 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 | Yes |
| USB | Yes | Yes | Yes |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 802.11 b,g |
- |
| Contacts | |||
| Picture ID | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | - |
| 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 | - |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| 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 |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Music Player | n/a | n/a | Yes |
| Photo & Video | |||
| DLNA | Yes | - | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| To-Do List | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| Samsung Galaxy Ring / Prevail 2 | BlackBerry Storm2 9550 | Samsung SGH-E640 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Ring / Prevail 2 | BlackBerry Storm2 9550 | Samsung SGH-E640 |
