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| Phone | HTC Amaze 4G | Coolpad Defiant | ZTE Z431 / Altair |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4.3" diag. 16 : 9 |
5" diag. 16 : 9 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? |
| Battery | 1,730 mAh | 2,450 mAh | 1,000 mAh |
| Processor | 1.5 GHz Qualcomm Snapdragon S3 dual-core | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? |
| RAM | 1 GB | 1 GB | ? |
| Storage | 16 GB | 8 GB | ? raw hardware |
| Main Camera | 8 megapixel | 5 megapixel | 2 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | 720p HD | QVGA (320 x 240) |
| Front Camera | 2 megapixel | 2 megapixel | - |
| Weight |
6.1 oz (173g) |
6.5 oz (184g) |
3.52 oz (100g) |
| Dimensions |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
| Form Factor | Slab | Slab | Slab |
| Platform / OS | Android | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA+ 42 | LTE (Cat 4) | ? |
| Features | |||
| Flashlight | Yes | Yes | - |
| GPS / Location | n/a | n/a | Yes |
| Accessibility | |||
| Hearing Aid 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 | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - |
| NFC | Yes | - | - |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 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 | Yes |
| Data & Network | |||
| Data Tethering | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | - |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Music Player | n/a | n/a | Yes |
| Photo & Video | |||
| DLNA | Yes | - | - |
| TV Output | Yes | - | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| BREW | n/a | n/a | Yes |
| Games | n/a | n/a | Yes |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| HTC Amaze 4G | Coolpad Defiant | ZTE Z431 / Altair | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC Amaze 4G | Coolpad Defiant | ZTE Z431 / Altair |
