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| Phone | BlackBerry Key2 | Nokia Lumia 521 / 520 | Sony Xperia X Compact |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4.5" diag. 5 : 3 |
4" diag. 5 : 3 |
4.6" diag. 16 : 9 |
| Display Resolution & Type |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~319 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz |
| Battery | 3,500 mAh | 1,430 mAh | 2,700 mAh |
| Processor | 2.2 GHz Qualcomm Snapdragon 660 | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.8 GHz Qualcomm Snapdragon 650 (MSM8956) |
| RAM | 6 GB | 512 MB | 3 GB |
| Storage | 64 GB * | 8 GB | 32 GB |
| Main Camera | 12 megapixel | 5 megapixel | 23 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | 12 megapixel | - | - |
| Video Capture | 4K UHD | 720p HD | 1080p HD |
| Front Camera | 8 megapixel | - | 5 megapixel |
| Weight |
5.93 oz (168g) |
4.39 oz (124g) |
4.76 oz (135g) |
| Dimensions |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.08" x 2.56" x 0.37" (129 x 65 x 9.5 mm) |
| Platform / OS | Android | Windows | Android |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 40, 41 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 11) | HSPA+ 21 | LTE (Cat 6) |
| Features | |||
| Barometer | - | - | Yes |
| Fingerprint Reader |
Yes stand-alone |
- | Yes * |
| Flashlight | Yes | - | Yes |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | Yes | - | Yes |
| USB |
Yes USB Type C |
Yes |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
Yes 5 (802.11 a,ac,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 | |||
| FM Radio | Yes | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Stereo Speakers | - | - | Yes |
| Photo & Video | |||
| DLNA | - | - | Yes |
| Miracast | - | - | Yes |
| TV Output | Yes | - | - |
| Power | |||
| Fast Charging | Yes | - | Yes |
| Voice | |||
| HD Voice | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| BlackBerry Key2 | Nokia Lumia 521 / 520 | Sony Xperia X Compact | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry Key2 | Nokia Lumia 521 / 520 | Sony Xperia X Compact |
