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Phone LG Stylo 4 Samsung Galaxy Note20 ZTE Z331 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.2" diag.
18 : 9
6.7" diag.
20 : 9
2.4" diag.
4 : 3
?
Display Resolution & Type 1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ?
Battery 3,300 mAh 4,300 mAh 950 mAh 800 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 3.1 GHz Qualcomm Snapdragon 865+ ? ?
RAM 2 GB * 8 GB ? ?
Storage 32 GB * 128 GB ? raw hardware ? raw hardware
Main Camera 13 megapixel 12 megapixel 3 megapixel Yes
Wide Camera - 12 megapixel - -
Tele Camera - 64 megapixel - -
Video Capture 1080p HD 8K QCIF (176 x 144) -
Front Camera 5 megapixel 10 megapixel - -
Weight 6.07 oz
(172g)
6.84 oz
(194g)
4 oz
(113g)
3 oz
(85g)
Dimensions 6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
6.36" x 2.96" x 0.33"
(162 x 75 x 8.3 mm)
3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Slab Slab Clamshell Clamshell
Platform / OS Android Android (proprietary) (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

5G: 2, 5, 12, 25, 41, 66, 71, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 6) NR (5G) HSDPA 3.6 GPRS
Features 
Barometer - Yes - -
Fingerprint Reader Yes
stand-alone
Yes
in-display (ultrasonic)
- -
Flashlight Yes Yes - -
GPS / Location n/a n/a Yes -
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
-
Multiple Languages n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - - Yes -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes -
NFC Yes * Yes - -
USB Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
-
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- -
Contacts
Picture ID n/a n/a Yes Yes
Ringer ID n/a n/a Yes Yes
Customization
Custom Graphics n/a n/a Yes Yes
Custom Ringtones n/a n/a Yes Yes
Real-Music Ringers n/a n/a Yes -
Data & Network
Data Tethering n/a n/a Yes -
WAP / Web Browser n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes
Stylus Yes Yes - -
Touch Screen Yes
Capacitive
Yes
Capacitive
- -
Memory
Memory Card Slot Yes - Yes -
Messaging
Email Client n/a n/a Yes -
EMS / Picture Messaging n/a n/a - Yes
Instant Messaging n/a n/a Yes -
MMS n/a n/a Yes Yes
Text Messaging Templates n/a n/a Yes Yes
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes - - -
Music Player n/a n/a Yes -
Stereo Speakers - Yes - -
Photo & Video
DLNA Yes - - -
TV Output - Yes - -
Power
Fast Charging - Yes - -
Wireless Charging - Yes - -
Productivity
Alarm n/a n/a Yes Yes
Calculator n/a n/a Yes Yes
Calendar n/a n/a Yes Yes
To-Do List n/a n/a - Yes
Voice Memo n/a n/a Yes Yes
Software
Games n/a n/a Yes Yes
Java (J2ME) n/a n/a Yes Yes
Voice
HD Voice Yes Yes - -
Headset Jack (2.5 mm) n/a n/a - Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  LG Stylo 4 Samsung Galaxy Note20 ZTE Z331 Samsung SGH-X640
  X > < X > < X > < X

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

 
Phone LG Stylo 4 Samsung Galaxy Note20 ZTE Z331 Samsung SGH-X640

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