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Phone Samsung Galaxy S7 Pantech Duo C810 Samsung Galaxy S21
Current U.S. Carriers (none) (none) Verizon
Global Availability Released Released Released
Specifications 
Display Size 5.1" diag.
16 : 9
2.2" diag.
4 : 3
6.2" diag.
20 : 9
Display Resolution & Type 1440 x 2560 pixels
(~576 ppi)
AMOLED
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh 60 Hz ? 120 Hz
Battery 3,000 mAh 1,320 mAh 4,000 mAh
Processor 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) ARM 920t PXA27x 2.8 GHz Qualcomm Snapdragon 888
RAM 4 GB ? 8 GB
Storage 32 GB ? raw hardware 128 GB *
Main Camera 12 megapixel 1 megapixel 12 megapixel
Wide Camera - - 12 megapixel
Tele Camera - - 64 megapixel
Video Capture 4K UHD QVGA (320 x 240) 8K
Front Camera 5 megapixel - 10 megapixel
Weight 5.36 oz
(152g)
3.88 oz
(110g)
6.03 oz
(171g)
Dimensions 5.61" x 2.74" x 0.31"
(142 x 70 x 7.9 mm)
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)
Platform / OS Android Windows Mobile Standard Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 29, 30, 40, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

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

Data Technology LTE (Cat 9) HSDPA 1.8 NR (5G)
Features 
Barometer - - Yes
Fingerprint Reader Yes - Yes
in-display (ultrasonic)
Flashlight Yes - Yes
VR-ready Yes - -
Water-Resistant Yes
IPX8 (SCUBA)
- Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
TTY/TDD (Digital) Yes - Yes
Alerts
Ringer Profiles - Yes -
Connectivity
Bluetooth Yes Yes Yes
MirrorLink Yes - -
NFC Yes - Yes
USB Yes
Micro-USB
Yes 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)
Data & Network
Dual-SIM Yes - -
Input
Side Keys Yes Yes Yes
Text Keyboard, Hardware - Yes -
Touch Screen Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes -
Music
Headphone Jack (3.5mm) Yes - -
Stereo Speakers - - Yes
Photo & Video
DLNA Yes - -
Miracast Yes - -
TV Output - - Yes
Power
Fast Charging Yes - Yes
Wireless Charging Yes - Yes
Voice
HD Voice Yes - Yes
Speaker Phone Yes Yes Yes
  Samsung Galaxy S7 Pantech Duo C810 Samsung Galaxy S21
  X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S7 Pantech Duo C810 Samsung Galaxy S21

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