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| Phone | BlackBerry Key2 | Samsung Transform | Essential Phone | ZTE Blade Z Max |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 5 : 3 |
3.5" diag. 5 : 3 |
5.7" diag. 17.5 : 9 |
6" diag. 16 : 9 |
| Display Resolution & Type |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1312 x 2560 pixels (~504 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | 60 Hz |
| Battery | 3,500 mAh | 1,500 mAh | 3,040 mAh | 4,080 mAh |
| Processor | 2.2 GHz Qualcomm Snapdragon 660 | 800 MHz Samsung S3C6410, Qualcomm QSC6085 | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) |
| RAM | 6 GB | ? | 4 GB | 2 GB |
| Storage | 64 GB * | ? raw hardware | 128 GB | 32 GB |
| Main Camera | 12 megapixel | 3 megapixel | 13 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | 12 megapixel | - | - | - |
| Video Capture | 4K UHD | QVGA (320 x 240) | 4K UHD | 1080p HD |
| Front Camera | 8 megapixel | Yes | 8 megapixel | 8 megapixel |
| Weight |
5.93 oz (168g) |
5.37 oz (152g) |
6.53 oz (185g) |
6.58 oz (186g) |
| Dimensions |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
4.61" x 2.42" x 0.61" (117 x 61 x 15.5 mm) |
5.57" x 2.8" x 0.31" (141 x 71 x 7.8 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
| Platform / OS | Android | Android | Android | 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 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 11) | EVDO rA | LTE (Cat 12) | LTE (Cat 6) |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader |
Yes stand-alone |
- |
Yes stand-alone |
Yes stand-alone |
| Flashlight | Yes | - | Yes | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | Yes | - | Yes | - |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | - |
| Touch Screen |
Yes Capacitive |
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 |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | Yes | - | Yes | Yes |
| Voice | ||||
| HD Voice | Yes | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| BlackBerry Key2 | Samsung Transform | Essential Phone | ZTE Blade Z Max | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry Key2 | Samsung Transform | Essential Phone | ZTE Blade Z Max |
