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| Phone | Pantech Matrix Pro C820 | Ericsson R520 | Samsung Galaxy S22 | Samsung Rugby A837 |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
6.1" diag. 19.5 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
? |
1080 x 2340 pixels (~422 ppi) AMOLED |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 120 Hz | ? |
| Battery | 1,320 mAh | ? | 3,700 mAh | 1,000 mAh |
| Processor | 528 MHz ARM 11 | ? | Snapdragon 8 Gen 1 | ? |
| RAM | ? | ? | 8 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | 2 megapixel | - | 50 megapixel | 1 megapixel |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 10 megapixel | - |
| Video Capture | QCIF (176 x 144) | - | 8K | QCIF (176 x 144) |
| Front Camera | - | - | 10 megapixel | - |
| Weight |
5.34 oz (151g) |
4.23 oz (120g) |
5.93 oz (168g) |
4.66 oz (132g) |
| Dimensions |
4.2" x 2" x 0.9" (107 x 51 x 22.9 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
5.75" x 2.78" x 0.3" (146 x 71 x 7.6 mm) |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
| Form Factor | Slide | Slab | Slab | Clamshell |
| Platform / OS | Windows Mobile Standard | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
5G: 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | GPRS | NR (5G) | HSDPA 3.6 |
| 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) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| NFC | - | - | Yes | - |
| USB | Yes | - |
Yes USB Type C |
Yes |
| Wi-Fi | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | - | n/a | Yes |
| Ringer ID | n/a | - | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | - | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | 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 | Yes |
| MMS | n/a | - | n/a | Yes |
| Text Messaging Templates | n/a | Yes | 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 | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | - | n/a | - |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Pantech Matrix Pro C820 | Ericsson R520 | Samsung Galaxy S22 | Samsung Rugby A837 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Pantech Matrix Pro C820 | Ericsson R520 | Samsung Galaxy S22 | Samsung Rugby A837 |
