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Phone Asus ROG Phone Huawei Ascend Mate2 Samsung Galaxy A21
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 6" diag.
18 : 9
6.1" diag.
16 : 9
6.5" diag.
20 : 9
Display Resolution & Type 1080 x 2160 pixels
(~402 ppi)
AMOLED
720 x 1280 pixels
(~241 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz
Battery 4,000 mAh 3,900 mAh 4,000 mAh
Processor 3 GHz Qualcomm Snapdragon 845 1.6 GHz Qualcomm Snapdragon 400 MSM8928 2 GHz MediaTek Helio P35 (MT6765)
RAM 8 GB 2 GB 3 GB
Storage 128 GB * 16 GB 32 GB
Main Camera 12 megapixel 13 megapixel 16 megapixel
Wide Camera 8 megapixel - 8 megapixel
Tele Camera - - -
Video Capture 4K UHD 1080p HD 1080p HD
Front Camera 8 megapixel 5 megapixel 13 megapixel
Weight 7.05 oz
(200g)
7.24 oz
(205g)
6.81 oz
(193g)
Dimensions 6.25" x 3" x 0.34"
(159 x 76 x 8.6 mm)
6.32" x 3.35" x 0.38"
(161 x 85 x 9.6 mm)
6.61" x 3.02" x 0.32"
(168 x 77 x 8.1 mm)
Platform / OS Android Android Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 16) LTE (Cat 4) LTE (Cat 6)
Features 
Fingerprint Reader Yes - Yes
stand-alone
Flashlight Yes Yes Yes
Water-Resistant Yes - -
Accessibility
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, 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
5 (802.11 a,ac,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 Yes -
Headphone Jack (3.5mm) Yes Yes Yes
Stereo Speakers Yes - -
Photo & Video
DLNA - Yes -
Miracast - Yes -
TV Output Yes - -
Power
Fast Charging Yes - Yes
Voice
HD Voice - - Yes
Speaker Phone Yes Yes Yes
  Asus ROG Phone Huawei Ascend Mate2 Samsung Galaxy A21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Asus ROG Phone Huawei Ascend Mate2 Samsung Galaxy A21

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