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Phone AT&T Vista T-Mobile REVVL V LG G4020 LG G8 ThinQ Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.5" diag.
18 : 9
6.5" diag.
20 : 9
? 6.1" diag.
19.5 : 9
?
Display Resolution & Type 720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
1440 x 3120 pixels
(~563 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? 60 Hz ?
Battery 2,450 mAh 4,000 mAh 760 mAh 3,500 mAh 800 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761V) 2 GHz MediaTek Helio G25 (MT6762V) ? 2.8 GHz Qualcomm Snapdragon 855 ?
RAM 3 GB 3 GB ? 6 GB ?
Storage 32 GB 32 GB ? raw hardware 128 GB ? raw hardware
Main Camera 8 megapixel 13 megapixel - 12 megapixel Yes
Wide Camera - - - 16 megapixel -
Tele Camera - - - - -
Video Capture 1080p HD 1080p HD - 4K UHD -
Front Camera 5 megapixel 5 megapixel - 8 megapixel -
Weight 5.51 oz
(156g)
6.45 oz
(183g)
3 oz
(85g)
5.96 oz
(169g)
3 oz
(85g)
Dimensions 5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
6.57" x 3.01" x 0.34"
(167 x 76 x 8.6 mm)
3.19" x 1.69" x 0.82"
(81 x 43 x 20.8 mm)
5.98" x 2.83" x 0.33"
(152 x 72 x 8.4 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Slab Slab Clamshell Slab Clamshell
Platform / OS Android Android (proprietary) Android (proprietary)
Network Bands

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 14, 17, 25, 26, 29, 30, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 6) GPRS LTE (Cat 20) GPRS
Features 
Barometer - - - Yes -
Fingerprint Reader - Yes
stand-alone
- Yes
stand-alone
-
Flashlight Yes Yes - Yes -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - - Yes - -
Connectivity
Bluetooth Yes Yes - Yes -
MirrorLink - - - Yes -
NFC - - - Yes -
USB Yes
USB Type C
Yes
USB Type C
- Yes
USB Type C
-
Wi-Fi Yes 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 n/a Yes
Ringer ID n/a n/a Yes n/a Yes
Customization
Custom Graphics n/a n/a Yes n/a Yes
Custom Ringtones n/a n/a Yes n/a Yes
Data & Network
Data Tethering n/a n/a Yes n/a -
WAP / Web Browser n/a n/a Yes n/a Yes
Input
Predictive Text Entry n/a n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
EMS / Picture Messaging n/a n/a Yes n/a Yes
MMS n/a n/a Yes n/a Yes
Text Messaging Templates n/a n/a Yes n/a Yes
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) Yes Yes - Yes -
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
Power
Fast Charging - Yes - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm n/a n/a Yes n/a Yes
Calculator n/a n/a Yes n/a Yes
Calendar n/a n/a Yes n/a Yes
To-Do List n/a n/a - n/a Yes
Voice Memo n/a n/a - n/a Yes
Software
Games n/a n/a Yes n/a Yes
Java (J2ME) n/a n/a Yes n/a Yes
Voice
HD Voice Yes Yes - Yes -
Headset Jack (2.5 mm) n/a n/a Yes n/a Yes
Speaker Phone Yes Yes - Yes Yes
  AT&T Vista T-Mobile REVVL V LG G4020 LG G8 ThinQ Samsung SGH-X640
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone AT&T Vista T-Mobile REVVL V LG G4020 LG G8 ThinQ Samsung SGH-X640

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