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Phone Asus ZenFone AR Motorola Defy (2010) Samsung Galaxy S21
Current U.S. Carriers (none) (none) Verizon
Global Availability Released Released Released
Specifications 
Display Size 5.7" diag.
16 : 9
3.6" diag.
16 : 9
6.2" diag.
20 : 9
Display Resolution & Type 1440 x 2560 pixels
(~515 ppi)
AMOLED
480 x 854 pixels
(~272 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz 120 Hz
Battery 3,300 mAh 1,540 mAh 4,000 mAh
Processor 2.4 GHz Qualcomm Snapdragon 821 (MSM8996) 800 MHz TI OMAP3610 2.8 GHz Qualcomm Snapdragon 888
RAM 6 GB * ? 8 GB
Storage 128 GB * ? raw hardware 128 GB *
Main Camera 23 megapixel 5 megapixel 12 megapixel
Wide Camera - - 12 megapixel
Tele Camera - - 64 megapixel
Video Capture 4K UHD ? 8K
Front Camera 8 megapixel - 10 megapixel
Weight 6 oz
(170g)
4.16 oz
(118g)
6.03 oz
(171g)
Dimensions 6.24" x 3.05" x 0.3"
(158 x 77 x 7.6 mm)
4.21" x 2.32" x 0.53"
(107 x 59 x 13.4 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Platform / OS Android Android Android
Network Bands

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

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 4, 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 11) HSPA 7.2 NR (5G)
Features 
Barometer Yes - Yes
Fingerprint Reader Yes
stand-alone
- Yes
in-display (ultrasonic)
Flashlight Yes - Yes
Ruggedized - Yes -
VR-ready Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
TTY/TDD (Digital) - Yes Yes
Connectivity
Bluetooth Yes Yes Yes
NFC Yes - Yes
USB Yes
USB Type C
Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Data & Network
Dual-SIM Yes - -
Input
Side Keys Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes -
Music
FM Radio - Yes -
Headphone Jack (3.5mm) Yes Yes -
Stereo Speakers - - Yes
Photo & Video
DLNA Yes Yes -
Miracast Yes - -
TV Output - - Yes
Power
Fast Charging Yes - Yes
Wireless Charging - - Yes
Voice
HD Voice Yes - Yes
Speaker Phone Yes Yes Yes
  Asus ZenFone AR Motorola Defy (2010) Samsung Galaxy S21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Asus ZenFone AR Motorola Defy (2010) Samsung Galaxy S21

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