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| Phone | ZTE Grand X 3 | Cal-Comp EZ | LG K20 / Harmony / Grace | Asus ROG Phone | HTC Amaze 4G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
5.5" diag. 16 : 9 |
? |
5.3" diag. 16 : 9 |
6" diag. 18 : 9 |
4.3" diag. 16 : 9 |
| Display Resolution & Type |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
720 x 1280 pixels (~277 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 3,080 mAh | 800 mAh | 2,800 mAh | 4,000 mAh | 1,730 mAh |
| Processor | 1.3 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | 3 GHz Qualcomm Snapdragon 845 | 1.5 GHz Qualcomm Snapdragon S3 dual-core |
| RAM | 2 GB | ? | 1.5 GB | 8 GB | 1 GB |
| Storage | 16 GB | ? raw hardware | 16 GB | 128 GB * | 16 GB |
| Main Camera | 8 megapixel | - | 8 megapixel | 12 megapixel | 8 megapixel |
| Wide Camera | - | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | - | 1080p HD | 4K UHD | 1080p HD |
| Front Camera | 2 megapixel | - | 5 megapixel | 8 megapixel | 2 megapixel |
| Weight |
6 oz (170g) |
2.47 oz (70g) |
5 oz (142g) |
7.05 oz (200g) |
6.1 oz (173g) |
| Dimensions |
6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
5.9" x 3" x 0.3" (150 x 76 x 7.6 mm) |
6.25" x 3" x 0.34" (159 x 76 x 8.6 mm) |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Android | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 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 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | 1xRTT | LTE (Cat 4) | LTE (Cat 16) | HSPA+ 42 |
| Features | |||||
| Fingerprint Reader | - | - | - | Yes | - |
| Flashlight | Yes | - | Yes | Yes | Yes |
| GPS / Location | n/a | Yes | n/a | n/a | n/a |
| Water-Resistant | - | - | - | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, 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 | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a | n/a |
| NFC | - | - | Yes * | Yes | Yes |
| USB |
Yes USB Type C |
Yes Mini-USB |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | - | n/a | n/a | n/a |
| Ringer ID | n/a | - | n/a | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | - | n/a | n/a | n/a |
| Custom Ringtones | n/a | - | n/a | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | - | n/a | n/a | n/a |
| Dual-SIM | - | - | - | Yes | - |
| WAP / Web Browser | n/a | - | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | - | n/a | n/a | n/a |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | n/a | - | n/a | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a | n/a |
| MMS | n/a | - | n/a | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | Yes | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes | Yes |
| Music Player | n/a | - | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| TV Output | - | - | - | Yes | Yes |
| Power | |||||
| Fast Charging | Yes | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a | n/a |
| Voice Memo | n/a | Yes * | n/a | n/a | n/a |
| Software | |||||
| Games | n/a | - | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | Yes | - | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a | n/a |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Grand X 3 | Cal-Comp EZ | LG K20 / Harmony / Grace | Asus ROG Phone | HTC Amaze 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Grand X 3 | Cal-Comp EZ | LG K20 / Harmony / Grace | Asus ROG Phone | HTC Amaze 4G |
