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| Phone | Palm Treo Pro (CDMA) | BlackBerry Key2 | ZTE Blade Max 3 / Max Blue | Sony Xperia XZ2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.5" diag. 5 : 3 |
6" diag. 16 : 9 |
5.7" diag. 18 : 9 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~424 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,500 mAh | 3,500 mAh | 4,000 mAh | 3,180 mAh |
| Processor | 528 MHz Qualcomm MSM7501a | 2.2 GHz Qualcomm Snapdragon 660 | 2 GHz Qualcomm Snapdragon 625 (MSM8953) | Qualcomm Snapdragon 845 |
| RAM | ? | 6 GB | 2 GB | 4 GB |
| Storage | ? raw hardware | 64 GB * | 16 GB | 64 GB |
| Main Camera | 2 megapixel | 12 megapixel | 13 megapixel | 19 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | 12 megapixel | - | - |
| Video Capture | ? | 4K UHD | 4K UHD | 4K UHD |
| Front Camera | - | 8 megapixel | 5 megapixel | 5 megapixel |
| Weight |
4.69 oz (133g) |
5.93 oz (168g) |
6.34 oz (180g) |
6.98 oz (198g) |
| Dimensions |
4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
6.49" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
6.02" x 2.83" x 0.44" (153 x 72 x 11.1 mm) |
| Platform / OS | Windows Mobile Professional | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
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: 2, 4, 5, 12, 13, 25 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | LTE (Cat 11) | LTE (Cat 4) | LTE (Cat 18) |
| Features | ||||
| Fingerprint Reader | - |
Yes stand-alone |
Yes stand-alone |
Yes stand-alone |
| Flashlight | - | Yes | Yes | Yes |
| Water-Resistant | - | - | - |
Yes IPX5 (direct spray) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| NFC | - | Yes | - | Yes |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Data & Network | ||||
| Dual-SIM | - | - | - | Yes |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | Yes | - | - | - |
| Text Keyboard, Hardware | Yes | Yes | - | - |
| Touch Screen |
Yes Resistive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | 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 | Yes |
| Wireless Charging | - | - | - | Yes |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Palm Treo Pro (CDMA) | BlackBerry Key2 | ZTE Blade Max 3 / Max Blue | Sony Xperia XZ2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo Pro (CDMA) | BlackBerry Key2 | ZTE Blade Max 3 / Max Blue | Sony Xperia XZ2 |
