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Phone LG K20 / Harmony / Grace LG AX-4270 / VX-4270 CAT S62 Asus ROG Phone II Sony Xperia Pro
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 5.3" diag.
16 : 9
? 5.7" diag.
18 : 9
6.6" diag.
19.5 : 9
6.5" diag.
21 : 9
Display Resolution & Type 720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
1080 x 2160 pixels
(~424 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
1644 x 3840 pixels
(~643 ppi)
AMOLED
Display Refresh 60 Hz ? 60 Hz 120 Hz 60 Hz
Battery 2,800 mAh ? 4,000 mAh 6,000 mAh 4,000 mAh
Processor 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? 2.2 GHz Qualcomm Snapdragon 660 3 GHz Qualcomm Snapdragon 855 Plus Qualcomm Snapdragon 865
RAM 1.5 GB ? 4 GB 12 GB 12 GB
Storage 16 GB ? raw hardware 128 GB 512 GB 512 GB
Main Camera 8 megapixel - 48 megapixel 48 megapixel 12 megapixel
Wide Camera - - - 13 megapixel 12 megapixel
Tele Camera - - - - 12 megapixel
Video Capture 1080p HD - 4K UHD 4K UHD 4K UHD
Front Camera 5 megapixel - 8 megapixel 24 megapixel 8 megapixel
Weight 5 oz
(142g)
3.21 oz
(91g)
9.17 oz
(260g)
8.47 oz
(240g)
7.94 oz
(225g)
Dimensions 5.9" x 3" x 0.3"
(150 x 76 x 7.6 mm)
3.27" x 1.76" x 0.91"
(83 x 45 x 23.1 mm)
6.2" x 3" x 0.5"
(157 x 76 x 12.7 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Android Android Android
Network Bands

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

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

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, 66, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) 1xRTT LTE (Cat 12) LTE (Cat 20) NR (5G)
Features 
Fingerprint Reader - - Yes
stand-alone
Yes
in-display (optical)
Yes
stand-alone
Flashlight Yes - Yes Yes Yes
GPS / Location n/a Yes n/a n/a n/a
Ruggedized - - Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC Yes * - Yes Yes Yes
USB Yes
Micro-USB
- Yes
USB Type C
Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
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 n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
Dual-SIM - - - Yes Yes
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot Yes - Yes - Yes
Messaging
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a 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
Power
Fast Charging - - Yes Yes Yes
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
BREW n/a Yes n/a n/a n/a
Games n/a Yes n/a n/a n/a
Voice
HD Voice Yes - Yes - Yes
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG K20 / Harmony / Grace LG AX-4270 / VX-4270 CAT S62 Asus ROG Phone II Sony Xperia Pro
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K20 / Harmony / Grace LG AX-4270 / VX-4270 CAT S62 Asus ROG Phone II Sony Xperia Pro

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