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| Phone | Motorola Droid 4 | Samsung Galaxy Ring / Prevail 2 | Samsung Galaxy S II Skyrocket |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 16 : 9 |
4" diag. 5 : 3 |
4.5" diag. 5 : 3 |
| Display Resolution & Type |
540 x 960 pixels (~275 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~207 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,785 mAh | 1,750 mAh | 1,850 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | 1.5 GHz Qualcomm Snapdragon S3 APQ8060 |
| RAM | 1 GB | 1 GB | 1 GB |
| Storage | 16 GB | 4 GB | 16 GB |
| Main Camera | 8 megapixel | 5 megapixel | 8 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | 720p HD | 1080p HD |
| Front Camera | 1 megapixel | 1 megapixel | 2 megapixel |
| Weight |
6.31 oz (179g) |
3.4 oz (96g) |
4.71 oz (133g) |
| Dimensions |
5" x 2.65" x 0.5" (127 x 67 x 12.7 mm) |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
5.12" x 2.72" x 0.35" (130 x 69 x 9 mm) |
| Platform / OS | Android | Android | Android |
| Network Bands |
4G LTE: 13 CDMA: 850, 1900 |
CDMA: 800, 850, 1900 |
4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 3) | EVDO rA | LTE (Cat 3) |
| Features | |||
| Accessibility | |||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | - | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Photo & Video | |||
| DLNA | Yes | Yes | Yes |
| TV Output | Yes | - | Yes |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| Motorola Droid 4 | Samsung Galaxy Ring / Prevail 2 | Samsung Galaxy S II Skyrocket | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Droid 4 | Samsung Galaxy Ring / Prevail 2 | Samsung Galaxy S II Skyrocket |
