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Phone TCL 20 Pro 5G Asus ROG Phone II Casio G'zOne Boulder
Current U.S. Carriers (none) (none) (none)
Global Availability Released Not yet released Released
Specifications 
Display Size 6.7" diag.
20 : 9
6.6" diag.
19.5 : 9
2" diag.
4 : 3
Display Resolution & Type 1080 x 2400 pixels
(~395 ppi)
AMOLED
1080 x 2340 pixels
(~391 ppi)
AMOLED
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 120 Hz ?
Battery 4,500 mAh 6,000 mAh 810 mAh
Processor 2 GHz Qualcomm Snapdragon 750G 3 GHz Qualcomm Snapdragon 855 Plus ?
RAM 6 GB 12 GB ?
Storage 256 GB 512 GB ? raw hardware
Main Camera 48 megapixel 48 megapixel 1 megapixel
Wide Camera 16 megapixel 13 megapixel -
Tele Camera - - -
Video Capture 4K UHD 4K UHD ?
Front Camera 32 megapixel 24 megapixel -
Weight 6.82 oz
(193g)
8.47 oz
(240g)
4.9 oz
(139g)
Dimensions 6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
Form Factor Slab Slab Clamshell
Platform / OS Android Android (proprietary)
Network Bands

5G: 2, 5, 7, 41, 66, 71, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 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, 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

CDMA: 850, 1900

Data Technology NR (5G) LTE (Cat 20) EVDO rA
Features 
Barometer Yes - -
Fingerprint Reader Yes
in-display (optical)
Yes
in-display (optical)
-
Flashlight Yes Yes Yes
GPS / Location n/a n/a Yes
Ruggedized - - Yes
Water-Resistant Yes
IPX2 (drip)
- Yes
Accessibility
Hearing Aid Compatible Yes Yes Yes
Multiple Languages n/a n/a Yes
TTY/TDD (Digital) Yes - Yes
Alerts
Extra Display - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes - -
NFC Yes Yes -
USB Yes
USB Type C
Yes
USB Type C
Yes
Wi-Fi 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 Yes
Ringer ID n/a n/a Yes
Voice Dialing n/a n/a Yes
Customization
Changeable Body Plates - - Yes
Custom Graphics n/a n/a Yes
Custom Ringtones n/a n/a Yes
Data & Network
Data Tethering n/a n/a Yes
Dual-SIM - Yes -
WAP / Web Browser n/a n/a Yes
Input
Predictive Text Entry n/a n/a Yes
Side Keys Yes Yes Yes
Touch Screen Yes Yes -
Memory
Memory Card Slot Yes - Yes
Messaging
EMS / Picture Messaging n/a n/a Yes
MMS n/a n/a Yes
Text Messaging Templates n/a n/a Yes
Music
FM Radio Yes Yes -
Headphone Jack (3.5mm) Yes Yes -
Music Player n/a n/a Yes
Stereo Speakers - Yes -
Photo & Video
TV Output - Yes -
Power
Fast Charging Yes Yes -
Wireless Charging Yes - -
Productivity
Alarm n/a n/a Yes
Calculator n/a n/a Yes
Calendar n/a n/a Yes
Voice Memo n/a n/a Yes
Software
BREW n/a n/a Yes
Games n/a n/a Yes
Voice
HD Voice Yes - -
Push-To-Talk - - Yes
Speaker Phone Yes Yes Yes
  TCL 20 Pro 5G Asus ROG Phone II Casio G'zOne Boulder
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Phone TCL 20 Pro 5G Asus ROG Phone II Casio G'zOne Boulder

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