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| Phone | BlackBerry 7750 | Coolpad Defiant | HTC Droid Eris | Nokia Lumia 521 / 520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
3.2" diag. 5 : 3 |
4" diag. 5 : 3 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | ? | 2,450 mAh | 1,300 mAh | 1,430 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | 528 MHz MSM7600 | 1 GHz Qualcomm Snapdragon S4 MSM8270 |
| RAM | ? | 1 GB | ? | 512 MB |
| Storage | ? raw hardware | 8 GB | ? raw hardware | 8 GB |
| Main Camera | - | 5 megapixel | 5 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 720p HD | CIF (352 x 288) | 720p HD |
| Front Camera | - | 2 megapixel | - | - |
| Weight |
5.01 oz (142g) |
6.5 oz (184g) |
4.43 oz (126g) |
4.39 oz (124g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
| Platform / OS | BlackBerry OS | Android | Android | Windows |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 4) | EVDO rA | HSPA+ 21 |
| Features | ||||
| Flashlight | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes Mini-USB |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
Yes |
| Input | ||||
| Side Keys | Yes | 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 |
| Voice | ||||
| Speaker Phone | - | Yes | Yes | Yes |
| BlackBerry 7750 | Coolpad Defiant | HTC Droid Eris | Nokia Lumia 521 / 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Coolpad Defiant | HTC Droid Eris | Nokia Lumia 521 / 520 |
