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| Phone | Sony Xperia XZ1 | LG X venture | Samsung Transform Ultra | HTC Bolt | Nokia Lumia 521 / 520 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 5.2" diag. 16 : 9 | 5.2" diag. 16 : 9 | 3.5" diag. 5 : 3 | 5.5" diag. 16 : 9 | 4" diag. 5 : 3 | 
| Display Resolution & Type | 1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) | 1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) | 320 x 480 pixels (~165 ppi) LCD (TFT/TFD) | 1440 x 2560 pixels (~534 ppi) LCD (TFT/TFD) | 480 x 800 pixels (~233 ppi) LCD (TFT/TFD) | 
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | 60 Hz | ? | 
| Battery | 2,700 mAh | 4,100 mAh | 1,500 mAh | 3,200 mAh | 1,430 mAh | 
| Processor | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 1 GHz Qualcomm Snapdragon S2 MSM8655 | 2 GHz Qualcomm Snapdragon 810 (MSM8994) | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 
| RAM | 4 GB | 2 GB | ? | 3 GB | 512 MB | 
| Storage | 64 GB | 32 GB | ? raw hardware | 32 GB | 8 GB | 
| Main Camera | 19 megapixel | 16 megapixel | 3 megapixel | 16 megapixel | 5 megapixel | 
| Wide Camera | - | - | - | - | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | 4K UHD | 1080p HD | VGA (640 x 480) | 4K UHD | 720p HD | 
| Front Camera | 13 megapixel | 5 megapixel | Yes | 8 megapixel | - | 
| Weight | 5.5 oz (156g) | 5.8 oz (164g) | 4.9 oz (139g) | 6.14 oz (174g) | 4.39 oz (124g) | 
| Dimensions | 5.82" x 2.89" x 0.29" (148 x 73 x 7.4 mm) | 6" x 3" x 0.36" (152 x 76 x 9.1 mm) | 4.5" x 2.4" x 0.55" (114 x 61 x 14 mm) | 6.05" x 3.04" x 0.32" (154 x 77 x 8.1 mm) | 4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) | 
| Platform / OS | Android | Android | Android | Android | Windows | 
| Network Bands | 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 | CDMA: 800, 850, 1900 | 4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 | ||
| Data Technology | LTE (Cat 16) | ? | EVDO rA | LTE (Cat 9) | HSPA+ 21 | 
| Features | |||||
| Barometer | Yes | Yes | - | - | - | 
| Fingerprint Reader | Yes * stand-alone | Yes stand-alone | - | Yes stand-alone | - | 
| Flashlight | Yes | Yes | - | Yes | - | 
| Ruggedized | - | Yes | - | - | - | 
| Water-Resistant | Yes IPX8 (SCUBA) | Yes IPX8 (SCUBA) | - | Yes IPX7 (snorkeling) | - | 
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes | 
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes | 
| Connectivity | |||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes | 
| NFC | Yes | Yes | - | Yes | - | 
| USB | Yes USB Type C | Yes Micro-USB | Yes | Yes USB Type C | Yes | 
| Wi-Fi | Yes 5 (802.11 a,ac,b,g,n) | Yes 5 (802.11 a,ac,b,g,n) | Yes 4 (802.11 a,b,g,n) | Yes 5 (802.11 a,ac,b,g,n) | Yes | 
| 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 | Yes | 
| Music | |||||
| FM Radio | - | Yes | - | - | - | 
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | Yes | 
| Stereo Speakers | Yes | - | - | - | - | 
| Photo & Video | |||||
| DLNA | Yes | Yes | - | Yes | - | 
| Miracast | Yes | - | - | Yes | - | 
| Power | |||||
| Fast Charging | Yes | Yes | - | Yes | - | 
| Voice | |||||
| HD Voice | Yes | Yes | - | Yes | - | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| * Some versions only | |||||
| Sony Xperia XZ1 | LG X venture | Samsung Transform Ultra | HTC Bolt | Nokia Lumia 521 / 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | Sony Xperia XZ1 | LG X venture | Samsung Transform Ultra | HTC Bolt | Nokia Lumia 521 / 520 | 
 







