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Phone LG AX-490 Samsung Galaxy S21 LG K30 2018 (GSM) Samsung Glyde U940
Current U.S. Carriers (none) Verizon (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 6.2" diag.
20 : 9
5.3" diag.
16 : 9
2.8" diag.
16.5 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? 120 Hz 60 Hz ?
Battery 1,100 mAh 4,000 mAh 2,880 mAh 1,000 mAh
Processor ? 2.8 GHz Qualcomm Snapdragon 888 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ?
RAM ? 8 GB 2 GB ?
Storage ? raw hardware 128 GB * 32 GB * ? raw hardware
Main Camera Yes 12 megapixel 13 megapixel 2 megapixel
Wide Camera - 12 megapixel - -
Tele Camera - 64 megapixel - -
Video Capture - 8K 1080p HD QVGA (320 x 240)
Front Camera - 10 megapixel 5 megapixel -
Weight 3.79 oz
(107g)
6.03 oz
(171g)
5.93 oz
(168g)
4.2 oz
(119g)
Dimensions 3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
5.85" x 2.95" x 0.34"
(149 x 75 x 8.6 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
Form Factor Clamshell Slab Slab Slide
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

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, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology 1xRTT NR (5G) LTE (Cat 4) EVDO r0
Features 
Barometer - Yes - -
Fingerprint Reader - Yes
in-display (ultrasonic)
Yes
stand-alone
-
Flashlight - Yes Yes -
GPS / Location Yes n/a n/a Yes
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes
NFC - Yes - -
USB Yes Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a Yes
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry - n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Memory
Memory Card Slot - - Yes Yes
Messaging
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - - Yes -
Music Player - n/a n/a Yes
Stereo Speakers Yes Yes - -
Photo & Video
TV Output - Yes - -
Power
Fast Charging - Yes - -
Wireless Charging - Yes - -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
Voice Memo Yes n/a n/a -
Software
BREW Yes n/a n/a Yes
Games Yes n/a n/a Yes
Voice
HD Voice - Yes Yes -
Headset Jack (2.5 mm) Yes n/a n/a Yes
Speaker Phone Yes Yes Yes Yes
  LG AX-490 Samsung Galaxy S21 LG K30 2018 (GSM) Samsung Glyde U940
  X > < X > < X > < X

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

 
Phone LG AX-490 Samsung Galaxy S21 LG K30 2018 (GSM) Samsung Glyde U940

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