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Phone Samsung Galaxy Ring / Prevail 2 Pantech Matrix Pro C820 TCL 20 Pro 5G Samsung SGH-E340 / SGH-E340E
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size 4" diag.
5 : 3
2.4" diag.
4 : 3
6.7" diag.
20 : 9
?
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~395 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ?
Battery 1,750 mAh 1,320 mAh 4,500 mAh ?
Processor 1.4 GHz Qualcomm Snapdragon S2 MSM8655 528 MHz ARM 11 2 GHz Qualcomm Snapdragon 750G ?
RAM 1 GB ? 6 GB ?
Storage 4 GB ? raw hardware 256 GB ? raw hardware
Main Camera 5 megapixel 2 megapixel 48 megapixel Yes
Wide Camera - - 16 megapixel -
Tele Camera - - - -
Video Capture 720p HD QCIF (176 x 144) 4K UHD ?
Front Camera 1 megapixel - 32 megapixel -
Weight 3.4 oz
(96g)
5.34 oz
(151g)
6.82 oz
(193g)
2.75 oz
(78g)
Dimensions 4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
3.39" x 1.77" x 0.94"
(86 x 45 x 23.9 mm)
Form Factor Slab Slide Slab Clamshell
Platform / OS Android Windows Mobile Standard Android (proprietary)
Network Bands

CDMA: 800, 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 7, 41, 66, 71, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology EVDO rA HSDPA 3.6 NR (5G) GPRS
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
in-display (optical)
-
Flashlight - - Yes -
GPS / Location n/a n/a n/a -
Water-Resistant - - Yes
IPX2 (drip)
-
Accessibility
Adjustable Text Size n/a n/a n/a -
Hearing Aid Compatible Yes - Yes -
Multiple Languages n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - - - Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes -
NFC - - Yes -
USB Yes Yes Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 a,b,g,n)
- Yes
5 (802.11 a,ac,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 Yes
Data & Network
Data Tethering n/a n/a n/a Yes
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 Yes -
Messaging
Email Client n/a n/a n/a Yes
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 Yes
Text Messaging Templates n/a n/a n/a -
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes - Yes -
Music Player n/a n/a n/a Yes
Photo & Video
DLNA Yes - - -
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm n/a n/a n/a -
Calculator n/a n/a n/a -
Calendar n/a n/a n/a -
To-Do List n/a n/a n/a -
Voice Memo n/a n/a n/a Yes
Software
Games n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a Yes
Voice
HD Voice - - Yes -
Speaker Phone Yes Yes Yes Yes
  Samsung Galaxy Ring / Prevail 2 Pantech Matrix Pro C820 TCL 20 Pro 5G Samsung SGH-E340 / SGH-E340E
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy Ring / Prevail 2 Pantech Matrix Pro C820 TCL 20 Pro 5G Samsung SGH-E340 / SGH-E340E

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