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Phone Asus ROG Phone Siemens CX75 Samsung SCH-A990 Nokia XR21
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size 6" diag.
18 : 9
? ? 6.5" diag.
20 : 9
Display Resolution & Type 1080 x 2160 pixels
(~402 ppi)
AMOLED
132 x 176 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~406 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz
Battery 4,000 mAh 750 mAh 1,000 mAh 4,800 mAh
Processor 3 GHz Qualcomm Snapdragon 845 ? ? Snapdragon 695
RAM 8 GB ? ? 6 GB
Storage 128 GB * ? raw hardware ? raw hardware 128 GB
Main Camera 12 megapixel 1 megapixel 3 megapixel 64 megapixel
Wide Camera 8 megapixel - - 8 megapixel
Tele Camera - - - -
Video Capture 4K UHD ? ? 1080p HD
Front Camera 8 megapixel - - 16 megapixel
Weight 7.05 oz
(200g)
3.46 oz
(98g)
4.4 oz
(125g)
8.16 oz
(231g)
Dimensions 6.25" x 3" x 0.34"
(159 x 76 x 8.6 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.61" x 3.09" x 0.41"
(168 x 78 x 10.4 mm)
Form Factor Slab Slab Clamshell Slab
Platform / OS Android (proprietary) (proprietary) 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

GSM: 900, 1800, 1900

CDMA: 850, 1900

5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 16) GPRS EVDO r0 NR (5G)
Features 
Barometer - - - Yes
Fingerprint Reader Yes - - Yes
stand-alone
Flashlight Yes - Yes Yes
GPS / Location n/a - Yes n/a
Ruggedized - - - Yes
Water-Resistant Yes - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) - - Yes -
Alerts
Extra Display - - Yes -
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - Yes - -
NFC Yes - - Yes
USB Yes
USB Type C
Yes Yes 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)
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a - Yes n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a - Yes n/a
Data & Network
Data Tethering n/a Yes Yes n/a
Dual-SIM Yes - - Yes
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client n/a Yes - n/a
EMS / Picture Messaging n/a Yes Yes n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a - Yes n/a
Music
FM Radio Yes - - Yes
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a Yes Yes n/a
Stereo Speakers Yes - Yes -
Photo & Video
TV Output Yes - Yes -
Power
Fast Charging Yes - - Yes
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a Yes - n/a
Voice Memo n/a Yes Yes n/a
Software
BREW n/a - Yes n/a
Games n/a Yes Yes n/a
Java (J2ME) n/a Yes - n/a
Voice
Push-To-Talk - Yes - -
Speaker Phone Yes Yes Yes Yes
  Asus ROG Phone Siemens CX75 Samsung SCH-A990 Nokia XR21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Asus ROG Phone Siemens CX75 Samsung SCH-A990 Nokia XR21

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