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| Phone | Cal-Comp EZ | Kyocera DuraForce XD | Asus ZenFone 4 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
5.7" diag. 16 : 9 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
720 x 1280 pixels (~258 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | 3,700 mAh | 3,300 mAh |
| Processor | ? | 1.6 GHz Qualcomm Snapdragon 400 (MSM8928) | 2.2 GHz Qualcomm Snapdragon 630 |
| RAM | ? | 2 GB | 4 GB |
| Storage | ? raw hardware | 16 GB | 64 GB |
| Main Camera | - | 8 megapixel | 12 megapixel |
| Wide Camera | - | - | Yes |
| Tele Camera | - | - | - |
| Video Capture | - | 1080p HD | 4K UHD |
| Front Camera | - | 2 megapixel | 8 megapixel |
| Weight |
2.47 oz (70g) |
10.83 oz (307g) |
5.47 oz (155g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
6.57" x 3.4" x 0.55" (167 x 86 x 14 mm) |
6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm) |
| Form Factor | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 17, 20, 29 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | LTE (Cat 3) | LTE (Cat 12) |
| Features | |||
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | Yes | Yes |
| GPS / Location | Yes | n/a | n/a |
| Ruggedized | - | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||
| Adjustable Text Size | - | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a |
| NFC | - | Yes | Yes |
| USB |
Yes Mini-USB |
Yes Micro-USB |
Yes USB Type C |
| 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 | n/a |
| Ringer ID | - | n/a | n/a |
| Voice Dialing | - | n/a | n/a |
| Customization | |||
| Custom Graphics | - | n/a | n/a |
| Custom Ringtones | - | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a |
| Data & Network | |||
| Data Tethering | - | n/a | n/a |
| Dual-SIM | - | - | Yes |
| WAP / Web Browser | - | n/a | n/a |
| Input | |||
| Predictive Text Entry | - | n/a | n/a |
| Side Keys | - | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | - | n/a | n/a |
| MMS | - | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | - | n/a | n/a |
| Photo & Video | |||
| Miracast | - | Yes | Yes |
| Power | |||
| Fast Charging | - | Yes | Yes |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | Yes | n/a | n/a |
| Voice Memo | Yes * | n/a | n/a |
| Software | |||
| Games | - | n/a | n/a |
| Voice | |||
| HD Voice | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a |
| Push-To-Talk | - | Yes | - |
| Speaker Phone | - | Yes | Yes |
| * Some versions only | |||
| Cal-Comp EZ | Kyocera DuraForce XD | Asus ZenFone 4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cal-Comp EZ | Kyocera DuraForce XD | Asus ZenFone 4 |
