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Phone Ericsson R520 Samsung M400 Asus ROG Phone II Samsung Galaxy S22 BlackBerry Key2
Current U.S. Carriers (none) (none) (none) Verizon (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
6.6" diag.
19.5 : 9
6.1" diag.
19.5 : 9
4.5" diag.
5 : 3
Display Resolution & Type ? 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
1080 x 2340 pixels
(~422 ppi)
AMOLED
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz 120 Hz 60 Hz
Battery ? 1,000 mAh 6,000 mAh 3,700 mAh 3,500 mAh
Processor ? 400 MHz Qualcomm QSC6155 3 GHz Qualcomm Snapdragon 855 Plus Snapdragon 8 Gen 1 2.2 GHz Qualcomm Snapdragon 660
RAM ? 128 MB 12 GB 8 GB 6 GB
Storage ? raw hardware 256 MB 512 GB 128 GB * 64 GB *
Main Camera - 1 megapixel 48 megapixel 50 megapixel 12 megapixel
Wide Camera - - 13 megapixel 12 megapixel -
Tele Camera - - - 10 megapixel 12 megapixel
Video Capture - - 4K UHD 8K 4K UHD
Front Camera - - 24 megapixel 10 megapixel 8 megapixel
Weight 4.23 oz
(120g)
3.7 oz
(105g)
8.47 oz
(240g)
5.93 oz
(168g)
5.93 oz
(168g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
5.75" x 2.78" x 0.3"
(146 x 71 x 7.6 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 800, 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

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

GSM: 850, 900, 1800, 1900

5G: 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS 1xRTT LTE (Cat 20) NR (5G) LTE (Cat 11)
Features 
Barometer - - - Yes -
Fingerprint Reader - - Yes
in-display (optical)
Yes
in-display (ultrasonic)
Yes
stand-alone
Flashlight - - Yes Yes Yes
GPS / Location - Yes n/a n/a n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - Yes n/a n/a n/a
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) Yes - - - -
NFC - - 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
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID - Yes n/a n/a n/a
Ringer ID - Yes n/a n/a n/a
Voice Dialing Yes Yes n/a n/a n/a
Customization
Custom Graphics - Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - Yes n/a n/a n/a
Data & Network
Data Tethering Yes - n/a n/a n/a
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - - - Yes
Messaging
MMS - Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - Yes - Yes
Headphone Jack (3.5mm) - Yes Yes - Yes
Stereo Speakers - - Yes Yes -
Photo & Video
TV Output - - Yes Yes Yes
Power
Fast Charging - - Yes Yes Yes
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
Games Yes Yes n/a n/a n/a
Voice
HD Voice - - - Yes Yes
Speaker Phone Yes Yes Yes Yes Yes
  Ericsson R520 Samsung M400 Asus ROG Phone II Samsung Galaxy S22 BlackBerry Key2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R520 Samsung M400 Asus ROG Phone II Samsung Galaxy S22 BlackBerry Key2

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