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| Phone | Nokia Lumia 521 / 520 | BlackBerry Q10 (GSM) | Asus Smartphone for Snapdragon Insiders | Red Hydrogen One | Sony Ericsson Xperia X10 mini (2010) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released | Not yet released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
3.1" diag. 1 : 1 |
6.8" diag. 20.5 : 9 |
5.7" diag. 16 : 9 |
2.6" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
720 x 720 pixels (~328 ppi) AMOLED |
1080 x 2448 pixels (~395 ppi) AMOLED |
1440 x 2560 pixels (~515 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~157 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 144 Hz | 60 Hz | 60 Hz |
| Battery | 1,430 mAh | 2,100 mAh | 4,000 mAh | 4,510 mAh | ? |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.5 GHz Qualcomm Snapdragon S4 | 2.8 GHz Qualcomm Snapdragon 888 | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) | 600 MHz Qualcomm S1 MSM7227 |
| RAM | 512 MB | 2 GB | 16 GB | 6 GB | ? |
| Storage | 8 GB | 16 GB | 512 GB | 128 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 8 megapixel | 64 megapixel | 12 megapixel | 5 megapixel |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | 8 megapixel | - | - |
| Video Capture | 720p HD | 1080p HD | 8K | 4K UHD | VGA (640 x 480) |
| Front Camera | - | 2 megapixel | 24 megapixel | 8 megapixel | - |
| Weight |
4.39 oz (124g) |
4.9 oz (139g) |
7.41 oz (210g) |
9.63 oz (273g) |
3.11 oz (88g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.71" x 2.63" x 0.41" (120 x 67 x 10.3 mm) |
6.82" x 3.04" x 0.38" (173 x 77 x 9.6 mm) |
6.54" x 3.28" x 0.39" (166 x 83 x 10 mm) |
3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm) |
| Platform / OS | Windows | BlackBerry 10 | Android | Android | Android |
| Network Bands |
5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSPA+ 21 | LTE (Cat 3) | NR (5G) | LTE (Cat 12) | HSPA 7.2 |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | - |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| NFC | - | Yes | Yes | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | Yes |
Yes 4 (802.11 a,b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
| Data & Network | |||||
| Dual-SIM | - | - | Yes | - | - |
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | Yes | Yes | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Music | |||||
| FM Radio | - | Yes | - | Yes | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes | Yes |
| Stereo Speakers | - | - | Yes | Yes | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | Yes | - |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | BlackBerry Q10 (GSM) | Asus Smartphone for Snapdragon Insiders | Red Hydrogen One | Sony Ericsson Xperia X10 mini (2010) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | BlackBerry Q10 (GSM) | Asus Smartphone for Snapdragon Insiders | Red Hydrogen One | Sony Ericsson Xperia X10 mini (2010) |







