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Phone Samsung Galaxy S21 Asus ZenFone AR Sony Xperia XA2 Ultra Samsung Seek
Current U.S. Carriers Verizon (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.2" diag.
20 : 9
5.7" diag.
16 : 9
6" diag.
16 : 9
2.6" diag.
4 : 3
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
1440 x 2560 pixels
(~515 ppi)
AMOLED
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh 120 Hz 60 Hz 60 Hz ?
Battery 4,000 mAh 3,300 mAh 3,580 mAh 1,000 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 2.4 GHz Qualcomm Snapdragon 821 (MSM8996) Qualcomm Snapdragon 630 ?
RAM 8 GB 6 GB * 4 GB ?
Storage 128 GB * 128 GB * 32 GB * ? raw hardware
Main Camera 12 megapixel 23 megapixel 23 megapixel 1 megapixel
Wide Camera 12 megapixel - - -
Tele Camera 64 megapixel - - -
Video Capture 8K 4K UHD 4K UHD -
Front Camera 10 megapixel 8 megapixel 16 megapixel -
Weight 6.03 oz
(171g)
6 oz
(170g)
7.79 oz
(221g)
3.9 oz
(111g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
6.24" x 3.05" x 0.3"
(158 x 77 x 7.6 mm)
6.42" x 3.15" x 0.37"
(163 x 80 x 9.5 mm)
4.1" x 2" x 0.6"
(104 x 51 x 15.2 mm)
Form Factor Slab Slab Slab Slide
Platform / OS Android Android Android (proprietary)
Network Bands

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

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

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 4, 5, 7, 8, 12, 13, 17, 25, 28, 29, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology NR (5G) LTE (Cat 11) LTE (Cat 13) 1xRTT
Features 
Barometer Yes Yes - -
Fingerprint Reader Yes
in-display (ultrasonic)
Yes
stand-alone
Yes
stand-alone
-
Flashlight Yes Yes Yes -
GPS / Location n/a n/a n/a 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, T4 (very tele-coil compatible)
Yes
M4 (very compatible)
Multiple Languages n/a n/a n/a Yes
TTY/TDD (Digital) Yes - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
NFC Yes Yes Yes -
USB Yes
USB Type C
Yes
USB Type C
Yes
USB Type C
Yes
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a n/a n/a Yes
Ringer ID n/a n/a n/a Yes
Voice Dialing n/a n/a n/a Yes
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
Dual-SIM - Yes - -
WAP / Web Browser n/a n/a n/a Yes
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Yes
Resistive
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client n/a n/a n/a Yes
Instant Messaging n/a n/a n/a Yes
MMS n/a n/a n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes
Music Player n/a n/a n/a Yes
Stereo Speakers Yes - - -
Photo & Video
DLNA - Yes - -
Miracast - Yes Yes -
TV Output Yes - - -
Power
Fast Charging Yes Yes Yes -
Wireless Charging 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
Software
Games n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a Yes
Voice
HD Voice Yes Yes - -
Speaker Phone Yes Yes Yes Yes
  Samsung Galaxy S21 Asus ZenFone AR Sony Xperia XA2 Ultra Samsung Seek
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S21 Asus ZenFone AR Sony Xperia XA2 Ultra Samsung Seek

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