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Phone Pantech Matrix Pro C820 LG G8 ThinQ Samsung Galaxy S21 Ericsson T66
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
6.1" diag.
19.5 : 9
6.2" diag.
20 : 9
?
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1440 x 3120 pixels
(~563 ppi)
AMOLED
1080 x 2400 pixels
(~424 ppi)
AMOLED
?
Display Refresh ? 60 Hz 120 Hz ?
Battery 1,320 mAh 3,500 mAh 4,000 mAh ?
Processor 528 MHz ARM 11 2.8 GHz Qualcomm Snapdragon 855 2.8 GHz Qualcomm Snapdragon 888 ?
RAM ? 6 GB 8 GB ?
Storage ? raw hardware 128 GB 128 GB * ? raw hardware
Main Camera 2 megapixel 12 megapixel 12 megapixel -
Wide Camera - 16 megapixel 12 megapixel -
Tele Camera - - 64 megapixel -
Video Capture QCIF (176 x 144) 4K UHD 8K -
Front Camera - 8 megapixel 10 megapixel -
Weight 5.34 oz
(151g)
5.96 oz
(169g)
6.03 oz
(171g)
2.08 oz
(59g)
Dimensions 4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
5.98" x 2.83" x 0.33"
(152 x 72 x 8.4 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
Form Factor Slide Slab Slab Slab
Platform / OS Windows Mobile Standard Android Android (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 14, 17, 25, 26, 29, 30, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

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

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 20) NR (5G) -
Features 
Barometer - Yes Yes -
Fingerprint Reader - Yes
stand-alone
Yes
in-display (ultrasonic)
-
Flashlight - Yes Yes -
GPS / Location n/a n/a n/a -
Water-Resistant - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible - Yes Yes -
Multiple Languages n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Ringer Profiles Yes - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
MirrorLink - Yes - -
NFC - Yes Yes -
USB Yes Yes
USB Type C
Yes
USB Type C
-
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID n/a n/a n/a -
Ringer ID n/a n/a n/a -
Voice Dialing n/a n/a n/a -
Customization
Custom Graphics n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a -
Data & Network
Data Tethering n/a n/a n/a -
WAP / Web Browser n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen - Yes Yes -
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client n/a n/a n/a -
EMS / Picture Messaging n/a n/a n/a Yes
Instant Messaging n/a n/a n/a -
MMS n/a n/a n/a -
Text Messaging Templates n/a n/a n/a Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes - -
Music Player n/a n/a n/a -
Stereo Speakers - Yes Yes -
Photo & Video
DLNA - Yes - -
Miracast - Yes - -
TV Output - - Yes -
Power
Fast Charging - Yes Yes -
Wireless Charging - Yes Yes -
Productivity
Alarm n/a n/a n/a Yes
Calculator n/a n/a n/a Yes
Calendar n/a n/a n/a Yes
To-Do List n/a n/a n/a Yes
Voice Memo n/a n/a n/a -
Software
Games n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a -
Voice
HD Voice - Yes Yes -
Speaker Phone Yes Yes Yes -
  Pantech Matrix Pro C820 LG G8 ThinQ Samsung Galaxy S21 Ericsson T66
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Pantech Matrix Pro C820 LG G8 ThinQ Samsung Galaxy S21 Ericsson T66

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