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Phone Samsung Galaxy Z Fold3 Samsung SGH-X640 LG K4 / Optimus Zone 3 / Rebel LG VX-3200
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 7.6" diag.
4 : 3
? 4.5" diag.
16 : 9
?
Display Resolution & Type 1768 x 2208 pixels
(~372 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh 120 Hz ? 60 Hz ?
Battery 4,400 mAh 800 mAh 1,940 mAh 1,000 mAh
Processor Qualcomm Snapdragon 888 ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM 12 GB ? 1.5 GB ?
Storage 256 GB * ? raw hardware 16 GB * ? raw hardware
Main Camera 12 megapixel Yes 5 megapixel -
Wide Camera 12 megapixel - - -
Tele Camera 12 megapixel - - -
Video Capture 4K UHD - 720p HD -
Front Camera 10 megapixel - 2 megapixel -
Weight 9.56 oz
(271g)
3 oz
(85g)
3.99 oz
(113g)
3.53 oz
(100g)
Dimensions 6.23" x 2.64" x 0.63"
(158 x 67 x 16 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
3.35" x 1.81" x 0.92"
(85 x 46 x 23.4 mm)
Form Factor Foldable Clamshell Slab Clamshell
Platform / OS Android (proprietary) Android (proprietary)
Network Bands

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 3, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology NR (5G) GPRS LTE (Cat 3) 1xRTT
Features 
Barometer Yes - - -
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - Yes -
GPS / Location n/a - n/a Yes
Water-Resistant Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size n/a - n/a -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes - Yes -
Mobile Hotspot n/a - n/a -
NFC Yes - - -
USB Yes
USB Type C
- Yes
Micro-USB
Yes
UWB Yes - - -
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a Yes n/a -
Ringer ID n/a Yes n/a Yes
Voice Dialing n/a - n/a Yes
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a -
Real-Music Ringers n/a - n/a -
Data & Network
Data Tethering n/a - n/a Yes
Dual-SIM Yes - - -
WAP / Web Browser n/a Yes n/a -
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot - - Yes -
Messaging
Email Client n/a - n/a -
EMS / Picture Messaging n/a Yes n/a Yes
Instant Messaging n/a - n/a -
MMS n/a Yes n/a -
Text Messaging Templates n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player n/a - n/a -
Stereo Speakers Yes - - -
Photo & Video
Miracast - - Yes -
TV Output Yes - - -
Power
Fast Charging Yes - - -
Wireless Charging Yes - - -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a Yes n/a -
Voice Memo n/a Yes n/a Yes
Software
Games n/a Yes n/a -
Java (J2ME) n/a Yes n/a -
Voice
Call Screening - - - Yes
HD Voice Yes - Yes * -
Headset Jack (2.5 mm) n/a Yes n/a Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy Z Fold3 Samsung SGH-X640 LG K4 / Optimus Zone 3 / Rebel LG VX-3200
  X > < X > < X > < X

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

 
Phone Samsung Galaxy Z Fold3 Samsung SGH-X640 LG K4 / Optimus Zone 3 / Rebel LG VX-3200

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