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| Phone | Samsung Knack U310 | ZTE Z998 / Unico LTE | Coolpad Defiant | Samsung Galaxy S23 | Samsung Galaxy S6 (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) |
US Cellular Verizon |
(none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
4.5" diag. 16 : 9 |
5" diag. 16 : 9 |
6.1" diag. 19.5 : 9 |
5.1" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~422 ppi) AMOLED |
1440 x 2560 pixels (~576 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | 120 Hz | 60 Hz |
| Battery | 1,000 mAh | 2,070 mAh | 2,450 mAh | 3,900 mAh | 2,550 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | 3.4 GHz Snapdragon 8 Gen 2 for Galaxy | 2.1 GHz Samsung Exynos 7420 |
| RAM | ? | 1 GB | 1 GB | 8 GB | 3 GB |
| Storage | ? raw hardware | 4 GB | 8 GB | 128 GB * | 32 GB * |
| Main Camera | - | 5 megapixel | 5 megapixel | 50 megapixel | 16 megapixel |
| Wide Camera | - | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | 10 megapixel | - |
| Video Capture | - | 720p HD | 720p HD | 8K | 4K UHD |
| Front Camera | - | 1 megapixel | 2 megapixel | 12 megapixel | 5 megapixel |
| Weight |
3.63 oz (103g) |
4.8 oz (136g) |
6.5 oz (184g) |
5.93 oz (168g) |
4.87 oz (138g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
5.76" x 2.79" x 0.3" (146 x 71 x 7.6 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | - | LTE (Cat 3) | LTE (Cat 4) | NR (5G) | LTE (Cat 6) |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes in-display (ultrasonic) |
Yes |
| Flashlight | - | - | Yes | Yes | Yes |
| GPS / Location | Yes | n/a | n/a | n/a | n/a |
| VR-ready | - | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | - | Yes |
| MirrorLink | - | - | - | - | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | - | - | Yes | Yes |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,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 | Yes | 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 |
| WAP / Web Browser | - | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | 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 | n/a | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | n/a | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| Miracast | - | - | - | - | Yes |
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | Yes | Yes |
| Wireless Charging | - | - | - | Yes | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a | n/a |
| Voice Memo | - | n/a | 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) | Yes | n/a | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung Knack U310 | ZTE Z998 / Unico LTE | Coolpad Defiant | Samsung Galaxy S23 | Samsung Galaxy S6 (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | ZTE Z998 / Unico LTE | Coolpad Defiant | Samsung Galaxy S23 | Samsung Galaxy S6 (GSM) |
