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Phone Samsung SGH-X640 Motorola v120x Alcatel PulseMix / A50 / A5 Sony Xperia Pro LG G8 ThinQ
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.2" diag.
16 : 9
6.5" diag.
21 : 9
6.1" diag.
19.5 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
? 720 x 1280 pixels
(~282 ppi)
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
1440 x 3120 pixels
(~563 ppi)
AMOLED
Display Refresh ? ? 60 Hz 60 Hz 60 Hz
Battery 800 mAh ? 2,800 mAh 4,000 mAh 3,500 mAh
Processor ? ? 1.5 GHz MT6738 Qualcomm Snapdragon 865 2.8 GHz Qualcomm Snapdragon 855
RAM ? ? 2 GB 12 GB 6 GB
Storage ? raw hardware ? raw hardware 16 GB 512 GB 128 GB
Main Camera Yes - 8 megapixel 12 megapixel 12 megapixel
Wide Camera - - - 12 megapixel 16 megapixel
Tele Camera - - - 12 megapixel -
Video Capture - - 1080p HD 4K UHD 4K UHD
Front Camera - - 2 megapixel 8 megapixel 8 megapixel
Weight 3 oz
(85g)
4.5 oz
(128g)
5.14 oz
(146g)
7.94 oz
(225g)
5.96 oz
(169g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5" x 1.7" x 1.1"
(127 x 43 x 27.9 mm)
5.75" x 2.84" x 0.31"
(146 x 72 x 7.9 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
5.98" x 2.83" x 0.33"
(152 x 72 x 8.4 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 4, 5, 7, 12

WCDMA: 1, 2, 4, 5

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

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

*

Data Technology GPRS - LTE (Cat 4) NR (5G) LTE (Cat 20)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - Yes
stand-alone
Yes
stand-alone
Flashlight - - Yes Yes Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very 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
Ringer Profiles - Yes - - -
Connectivity
Bluetooth - - Yes Yes Yes
MirrorLink - - - - Yes
NFC - - - Yes Yes
USB - - Yes
USB Type C
Yes
USB Type C
Yes
USB Type C
Wi-Fi - - Yes
4 (802.11 a,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 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
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
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
EMS / Picture Messaging Yes - n/a n/a n/a
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
DLNA - - - - Yes
Miracast - - - - Yes
TV Output - - - Yes -
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes - n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List 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
Java (J2ME) Yes - n/a n/a n/a
Voice
HD Voice - - Yes Yes Yes
Headset Jack (2.5 mm) Yes Yes n/a n/a n/a
Speaker Phone Yes - Yes Yes Yes
  Samsung SGH-X640 Motorola v120x Alcatel PulseMix / A50 / A5 Sony Xperia Pro LG G8 ThinQ
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Motorola v120x Alcatel PulseMix / A50 / A5 Sony Xperia Pro LG G8 ThinQ

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