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| Phone | Samsung SCH-A645 | LG VX-8550 Chocolate | ZTE ZMAX Pro | Alcatel Idol 4S | TCL 20 XE |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
6" diag. 16 : 9 |
5.5" diag. 16 : 9 |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~534 ppi) AMOLED |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | 800 mAh | 3,400 mAh | 3,000 mAh | 5,000 mAh |
| Processor | ? | ? | 1.5 GHz Qualcomm Snapdragon 617 (MSM8952) | 1.8 GHz Qualcomm Snapdragon 652 (MSM8976) | 2 GHz MediaTek Helio P22 (MT6762) |
| RAM | ? | ? | 2 GB | 3 GB | 3 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB | 32 GB | 32 GB |
| Main Camera | - | 1 megapixel | 13 megapixel | 16 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | 1080p HD | 4K UHD | 1080p HD |
| Front Camera | - | - | 5 megapixel | 8 megapixel | 5 megapixel |
| Weight |
3.2 oz (91g) |
3.24 oz (92g) |
6.17 oz (175g) |
5.26 oz (149g) |
6.88 oz (195g) |
| Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
3.85" x 1.87" x 0.67" (98 x 47 x 17 mm) |
6.5" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
6.06" x 2.97" x 0.28" (154 x 75 x 7 mm) |
6.48" x 2.95" x 0.35" (165 x 75 x 8.9 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | EVDO r0 | LTE (Cat 4) | LTE (Cat 4) | LTE (Cat 6) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | Yes | Yes * |
Yes stand-alone |
| Flashlight | - | - | Yes | Yes | Yes |
| GPS / Location | Yes | Yes | n/a | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | n/a | n/a |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | - | - | n/a | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB | - | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | n/a |
| Ringer ID | - | Yes | n/a | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | n/a | n/a |
| Dual-SIM | - | - | - | Yes * | - |
| WAP / Web Browser | Yes * | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | - | n/a | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a | n/a |
| MMS | - | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes | Yes |
| Music Player | - | Yes | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| Miracast | - | - | Yes | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a | n/a |
| To-Do List | Yes | - | n/a | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a | n/a |
| Software | |||||
| BREW | Yes * | Yes | n/a | n/a | n/a |
| Games | Yes * | Yes | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | Yes |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-A645 | LG VX-8550 Chocolate | ZTE ZMAX Pro | Alcatel Idol 4S | TCL 20 XE | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A645 | LG VX-8550 Chocolate | ZTE ZMAX Pro | Alcatel Idol 4S | TCL 20 XE |
