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| Phone | Samsung SCH-A645 | Samsung SGH-T819 | LG K8 (2018) / Zone 4 / Tribute Dynasty / Tribute Empire / K8s | Motorola one 5G ace | Coolpad Quattro 4G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
5" diag. 16 : 9 |
6.7" diag. 20 : 9 |
4" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
176 x 220 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | ? | 2,500 mAh | 5,000 mAh | 1,600 mAh |
| Processor | ? | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | Qualcomm Snapdragon 750G | ? |
| RAM | ? | ? | 2 GB | 4 GB * | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | 64 GB * | 512 MB |
| Main Camera | - | 1 megapixel | 8 megapixel | 12 megapixel | 3 megapixel |
| Wide Camera | - | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | 1080p HD | 4K UHD | VGA (640 x 480) |
| Front Camera | - | - | 5 megapixel | 16 megapixel | Yes |
| Weight |
3.2 oz (91g) |
3.46 oz (98g) |
4.94 oz (140g) |
7.5 oz (213g) |
3.31 oz (94g) |
| Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
3.96" x 2.03" x 0.55" (101 x 52 x 14 mm) |
5.7" x 2.84" x 0.32" (145 x 72 x 8.1 mm) |
6.54" x 2.99" x 0.4" (166 x 76 x 10 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 4 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 41, 66, 71, 77-C 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 38, 39, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
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| Data Technology | 1xRTT | WCDMA (UMTS) | LTE (Cat 4) | NR (5G) | LTE (Cat 3) |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | Yes | - | n/a | n/a | n/a |
| Water-Resistant | - | - | - |
Yes IPX4 (splash) |
- |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB | - | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
| 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 |
| 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 Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a | n/a |
| Instant Messaging | - | Yes | 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 |
| Power | |||||
| Fast Charging | - | - | - | 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 | Yes | n/a | n/a | n/a |
| Voice Memo | Yes | - | n/a | n/a | n/a |
| Software | |||||
| BREW | Yes * | - | n/a | n/a | n/a |
| Games | Yes * | Yes | n/a | n/a | n/a |
| Java (J2ME) | - | Yes | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-A645 | Samsung SGH-T819 | LG K8 (2018) / Zone 4 / Tribute Dynasty / Tribute Empire / K8s | Motorola one 5G ace | Coolpad Quattro 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A645 | Samsung SGH-T819 | LG K8 (2018) / Zone 4 / Tribute Dynasty / Tribute Empire / K8s | Motorola one 5G ace | Coolpad Quattro 4G |
