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| Phone | Pantech Duo C810 | Samsung Galaxy S21 | Samsung Rugby 4 |
| Current U.S. Carriers | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
6.2" diag. 20 : 9 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 120 Hz | ? |
| Battery | 1,320 mAh | 4,000 mAh | 1,300 mAh |
| Processor | ARM 920t PXA27x | 2.8 GHz Qualcomm Snapdragon 888 | Intel XMM6230 |
| RAM | ? | 8 GB | 128 MB |
| Storage | ? raw hardware | 128 GB * | 256 MB |
| Main Camera | 1 megapixel | 12 megapixel | 3 megapixel |
| Wide Camera | - | 12 megapixel | - |
| Tele Camera | - | 64 megapixel | - |
| Video Capture | QVGA (320 x 240) | 8K | QVGA (320 x 240) |
| Front Camera | - | 10 megapixel | - |
| Weight |
3.88 oz (110g) |
6.03 oz (171g) |
5.22 oz (148g) |
| Dimensions |
4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
4.25" x 2.17" x 0.85" (108 x 55 x 21.6 mm) |
| Form Factor | Slide | Slab | Clamshell |
| Platform / OS | Windows Mobile Standard | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 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 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 1.8 | NR (5G) | HSPA+ 21 |
| Features | |||
| Barometer | - | Yes | - |
| Fingerprint Reader | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | Yes | - |
| GPS / Location | n/a | n/a | Yes |
| Ruggedized | - | - | Yes |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
Yes IPX7 (snorkeling) |
| Accessibility | |||
| Adjustable Text Size | n/a | n/a | Yes |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | Yes | - |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 6 (802.11 a,ac,ax,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 | Yes |
| 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 | - |
| 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 |
- |
| Memory | |||
| Memory Card Slot | 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 | |||
| Music Player | n/a | n/a | Yes |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Wireless Charging | - | Yes | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| To-Do List | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| HD Voice | - | Yes | - |
| Push-To-Talk | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Pantech Duo C810 | Samsung Galaxy S21 | Samsung Rugby 4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Pantech Duo C810 | Samsung Galaxy S21 | Samsung Rugby 4 |
