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| Phone | ZTE Blade Z Max | Motorola KRZR K1 | Kyocera DuraForce Ultra 5G | Samsung Rugby A837 |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6" diag. 16 : 9 |
? |
5.5" diag. 18 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
1080 x 2160 pixels (~443 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 4,080 mAh | 780 mAh | 4,500 mAh | 1,000 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | ? | 2.4 GHz Qualcomm Snapdragon 765G | ? |
| RAM | 2 GB | ? | 6 GB | ? |
| Storage | 32 GB | ? raw hardware | 128 GB | ? raw hardware |
| Main Camera | 16 megapixel | 2 megapixel | 23 megapixel | 1 megapixel |
| Wide Camera | - | - | 16 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | ? | 4K UHD | QCIF (176 x 144) |
| Front Camera | 8 megapixel | - | 8 megapixel | - |
| Weight |
6.58 oz (186g) |
3.6 oz (102g) |
9.81 oz (278g) |
4.66 oz (132g) |
| Dimensions |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
4.05" x 1.65" x 0.63" (103 x 42 x 16 mm) |
6.5" x 2.95" x 0.63" (165 x 75 x 16 mm) |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 66, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 48, 66 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 6) | EDGE | NR (5G) | HSDPA 3.6 |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader |
Yes stand-alone |
- |
Yes stand-alone |
- |
| Flashlight | Yes | - | Yes | - |
| GPS / Location | n/a | - | n/a | Yes |
| Ruggedized | - | - | Yes | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | - | Yes | - |
| USB |
Yes USB Type C |
Yes |
Yes USB Type C |
Yes |
| UWB | - | - | Yes | - |
| Wi-Fi |
Yes 4 (802.11 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 | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | 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 |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | Yes |
| EMS / Picture Messaging | n/a | Yes | n/a | - |
| Instant Messaging | n/a | - | n/a | Yes |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | Yes | n/a | Yes |
| Power | ||||
| Fast Charging | Yes | - | Yes | - |
| Wireless Charging | - | - | 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 | - | Yes | - |
| Push-To-Talk | - | Yes * | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Blade Z Max | Motorola KRZR K1 | Kyocera DuraForce Ultra 5G | Samsung Rugby A837 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Blade Z Max | Motorola KRZR K1 | Kyocera DuraForce Ultra 5G | Samsung Rugby A837 |
