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| Phone | Samsung Galaxy Ring / Prevail 2 | Palm Pre Plus (GSM) | Nokia Lumia 521 / 520 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
3.1" diag. 5 : 3 |
4" diag. 5 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 1,750 mAh | 1,150 mAh | 1,430 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | ? | 1 GHz Qualcomm Snapdragon S4 MSM8270 |
| RAM | 1 GB | ? | 512 MB |
| Storage | 4 GB | ? raw hardware | 8 GB |
| Main Camera | 5 megapixel | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | VGA (640 x 480) | 720p HD |
| Front Camera | 1 megapixel | - | - |
| Weight |
3.4 oz (96g) |
4.89 oz (139g) |
4.39 oz (124g) |
| Dimensions |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
3.9" x 2.3" x 0.67" (99 x 58 x 17 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
| Platform / OS | Android | webOS | Windows |
| Network Bands |
CDMA: 800, 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO rA | HSDPA 1.8 | HSPA+ 21 |
| Features | |||
| Accessibility | |||
| Hearing Aid Compatible |
Yes M4 (very compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 802.11 b,g |
Yes |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Photo & Video | |||
| DLNA | Yes | - | - |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| Samsung Galaxy Ring / Prevail 2 | Palm Pre Plus (GSM) | Nokia Lumia 521 / 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Ring / Prevail 2 | Palm Pre Plus (GSM) | Nokia Lumia 521 / 520 |
