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| Phone | BlackBerry Key2 | ZTE Z331 | Asus ROG Phone | Motorola V878 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 5 : 3 |
2.4" diag. 4 : 3 |
6" diag. 18 : 9 |
? |
| Display Resolution & Type |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 3,500 mAh | 950 mAh | 4,000 mAh | ? |
| Processor | 2.2 GHz Qualcomm Snapdragon 660 | ? | 3 GHz Qualcomm Snapdragon 845 | ? |
| RAM | 6 GB | ? | 8 GB | ? |
| Storage | 64 GB * | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | 12 megapixel | 3 megapixel | 12 megapixel | Yes |
| Wide Camera | - | - | 8 megapixel | - |
| Tele Camera | 12 megapixel | - | - | - |
| Video Capture | 4K UHD | QCIF (176 x 144) | 4K UHD | ? |
| Front Camera | 8 megapixel | - | 8 megapixel | - |
| Weight |
5.93 oz (168g) |
4 oz (113g) |
7.05 oz (200g) |
2.82 oz (80g) |
| Dimensions |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
6.25" x 3" x 0.34" (159 x 76 x 8.6 mm) |
3.23" x 1.65" x 0.85" (82 x 42 x 21.6 mm) |
| Form Factor | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | Android | (proprietary) | Android | (proprietary) |
| 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 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | LTE (Cat 11) | HSDPA 3.6 | LTE (Cat 16) | GPRS |
| Features | ||||
| Fingerprint Reader |
Yes stand-alone |
- | Yes | - |
| Flashlight | Yes | - | Yes | - |
| GPS / Location | n/a | Yes | n/a | - |
| Water-Resistant | - | - | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| NFC | Yes | - | Yes | - |
| USB |
Yes USB Type C |
Yes Micro-USB |
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) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | - | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | Yes |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | - |
| EMS / Picture Messaging | n/a | - | n/a | Yes |
| Instant Messaging | n/a | Yes | n/a | - |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | - |
| Music | ||||
| FM Radio | Yes | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | Yes | n/a | - |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | Yes | - | Yes | - |
| Power | ||||
| Fast Charging | Yes | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | Yes | n/a | Yes |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| BlackBerry Key2 | ZTE Z331 | Asus ROG Phone | Motorola V878 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry Key2 | ZTE Z331 | Asus ROG Phone | Motorola V878 |
