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Phone LG G Flex (U.S. GSM) Asus ZenFone AR Samsung Galaxy A15 5G Samsung Galaxy S21
Current U.S. Carriers (none) (none) AT&T
Boost
Consumer Cellular
Cricket
Metro
Spectrum Mobile
T-Mobile
Tracfone
US Cellular
Verizon
Xfinity Mobile
Verizon
Global Availability Released Released Released Released
Specifications 
Display Size 6" diag.
16 : 9
5.7" diag.
16 : 9
6.5" diag.
19.5 : 9
6.2" diag.
20 : 9
Display Resolution & Type 720 x 1280 pixels
(~245 ppi)
AMOLED
1440 x 2560 pixels
(~515 ppi)
AMOLED
1080 x 2340 pixels
(~396 ppi)
AMOLED
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz 90 Hz 120 Hz
Battery 3,500 mAh 3,300 mAh 5,000 mAh 4,000 mAh
Processor 2.3 GHz Qualcomm Snapdragon 800 2.4 GHz Qualcomm Snapdragon 821 (MSM8996) 2.2 GHz MediaTek Dimensity 6100+ (MT6835V) 2.8 GHz Qualcomm Snapdragon 888
RAM 2 GB 6 GB * 4 GB 8 GB
Storage 32 GB 128 GB * 128 GB 128 GB *
Main Camera 13 megapixel 23 megapixel 50 megapixel 12 megapixel
Wide Camera - - 5 megapixel 12 megapixel
Tele Camera - - - 64 megapixel
Video Capture 4K UHD 4K UHD 1080p HD 8K
Front Camera 2 megapixel 8 megapixel 13 megapixel 10 megapixel
Weight 6.24 oz
(177g)
6 oz
(170g)
7.05 oz
(200g)
6.03 oz
(171g)
Dimensions 6.32" x 3.21" x 0.31"
(160 x 82 x 8 mm)
6.24" x 3.05" x 0.3"
(158 x 77 x 7.6 mm)
6.3" x 3.02" x 0.33"
(160 x 77 x 8.4 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Platform / OS Android Android Android Android
Network Bands

4G LTE: 2, 4, 5, 7, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 3, 4, 5, 7, 13, 20

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

5G: 2, 5, 25, 41, 48, 66, 70, 71, 77-A, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 30, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

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 4) LTE (Cat 11) NR (5G) NR (5G)
Features 
Barometer - Yes Yes Yes
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
Yes
in-display (ultrasonic)
Flashlight Yes Yes Yes Yes
VR-ready - Yes - -
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
TTY/TDD (Digital) Yes - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - -
NFC Yes Yes Yes Yes
USB Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Data & Network
Dual-SIM - Yes Yes * -
Input
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes Yes -
Music
Headphone Jack (3.5mm) Yes Yes Yes -
Stereo Speakers - - - Yes
Photo & Video
DLNA Yes Yes - -
Miracast Yes Yes - -
TV Output Yes - - Yes
Power
Fast Charging - Yes Yes Yes
Wireless Charging - - - Yes
Voice
HD Voice Yes * Yes Yes Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  LG G Flex (U.S. GSM) Asus ZenFone AR Samsung Galaxy A15 5G Samsung Galaxy S21
  X > < X > < X > < X

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

 
Phone LG G Flex (U.S. GSM) Asus ZenFone AR Samsung Galaxy A15 5G Samsung Galaxy S21

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