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| Phone | Cal-Comp EZ | HTC Amaze 4G | Nokia XR21 | Sharp Z-800 (Audiovox 7900) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.3" diag. 16 : 9 |
6.5" diag. 20 : 9 |
? |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~406 ppi) LCD (TFT/TFD) |
? LCD (Color) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 800 mAh | 1,730 mAh | 4,800 mAh | ? |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S3 dual-core | Snapdragon 695 | ? |
| RAM | ? | 1 GB | 6 GB | ? |
| Storage | ? raw hardware | 16 GB | 128 GB | ? raw hardware |
| Main Camera | - | 8 megapixel | 64 megapixel | - |
| Wide Camera | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | 1080p HD | - |
| Front Camera | - | 2 megapixel | 16 megapixel | - |
| Weight |
2.47 oz (70g) |
6.1 oz (173g) |
8.16 oz (231g) |
4.25 oz (120g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
6.61" x 3.09" x 0.41" (168 x 78 x 10.4 mm) |
3.6" x 2" x 1.1" (91 x 51 x 27.9 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | 1xRTT | HSPA+ 42 | NR (5G) | - |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a | - |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, 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 |
Yes USB Type C |
- |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | n/a | n/a | Yes |
| Ringer ID | - | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | - | n/a | n/a | Yes |
| Custom Ringtones | - | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | Yes |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | - | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | - | n/a | n/a | Yes |
| Side Keys | - | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | - |
| MMS | - | n/a | n/a | - |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| 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 | ||||
| BREW | - | n/a | n/a | Yes |
| Games | - | n/a | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes |
| Speaker Phone | - | Yes | Yes | - |
| * Some versions only | ||||
| Cal-Comp EZ | HTC Amaze 4G | Nokia XR21 | Sharp Z-800 (Audiovox 7900) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cal-Comp EZ | HTC Amaze 4G | Nokia XR21 | Sharp Z-800 (Audiovox 7900) |
