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Phone Pantech Matrix Pro C820 Ericsson R520 Samsung Galaxy S22 Samsung Rugby A837 Samsung Fin
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? 6.1" diag.
19.5 : 9
2" diag.
4 : 3
2.3" 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)
240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz ? ?
Battery 1,320 mAh ? 3,700 mAh 1,000 mAh 800 mAh
Processor 528 MHz ARM 11 ? Snapdragon 8 Gen 1 ? ?
RAM ? ? 8 GB ? ?
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware ? raw hardware
Main Camera 2 megapixel - 50 megapixel 1 megapixel 3 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 10 megapixel - -
Video Capture QCIF (176 x 144) - 8K QCIF (176 x 144) QVGA (320 x 240)
Front Camera - - 10 megapixel - -
Weight 5.34 oz
(151g)
4.23 oz
(120g)
5.93 oz
(168g)
4.66 oz
(132g)
3.35 oz
(95g)
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)
4.06" x 2.04" x 0.45"
(103 x 52 x 11.4 mm)
Form Factor Slide Slab Slab Clamshell Clamshell
Platform / OS Windows Mobile Standard (proprietary) Android (proprietary) (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

CDMA: 850, 1900

Data Technology HSDPA 3.6 GPRS NR (5G) HSDPA 3.6 EVDO r0
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (ultrasonic)
- -
Flashlight - - Yes - -
GPS / Location n/a - n/a Yes Yes
Ruggedized - - - Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
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)
Yes
M4 (very compatible)
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - - Yes Yes
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes - - -
NFC - - Yes - -
USB Yes - Yes
USB Type C
Yes Yes
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
- -
Contacts
Picture ID n/a - n/a Yes Yes
Ringer ID n/a - n/a Yes Yes
Voice Dialing n/a Yes n/a - Yes
Customization
Custom Graphics n/a - n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes Yes
Real-Music Ringers n/a - n/a Yes Yes
Data & Network
Data Tethering n/a Yes n/a Yes -
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - Yes
Capacitive
- -
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client n/a - n/a Yes Yes
Instant Messaging n/a - n/a Yes -
MMS n/a - n/a Yes Yes
Text Messaging Templates n/a Yes n/a Yes Yes
Music
Music Player n/a - n/a Yes Yes
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a - n/a - Yes
Voice Memo n/a Yes n/a Yes Yes
Software
Games n/a Yes n/a Yes Yes
Java (J2ME) n/a - n/a Yes -
Voice
HD Voice - - Yes - -
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Pantech Matrix Pro C820 Ericsson R520 Samsung Galaxy S22 Samsung Rugby A837 Samsung Fin
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Pantech Matrix Pro C820 Ericsson R520 Samsung Galaxy S22 Samsung Rugby A837 Samsung Fin

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