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Phone Samsung Galaxy S21 LG AX-490 LG K30 2018 (GSM) Samsung Glyde U940 Siemens CX75
Current U.S. Carriers Verizon (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size 6.2" diag.
20 : 9
? 5.3" diag.
16 : 9
2.8" diag.
16.5 : 9
?
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
132 x 176 pixels
LCD (TFT/TFD)
Display Refresh 120 Hz ? 60 Hz ? ?
Battery 4,000 mAh 1,100 mAh 2,880 mAh 1,000 mAh 750 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? ?
RAM 8 GB ? 2 GB ? ?
Storage 128 GB * ? raw hardware 32 GB * ? raw hardware ? raw hardware
Main Camera 12 megapixel Yes 13 megapixel 2 megapixel 1 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 6.03 oz
(171g)
3.79 oz
(107g)
5.93 oz
(168g)
4.2 oz
(119g)
3.46 oz
(98g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 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)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
Form Factor Slab Clamshell Slab Slide Slab
Platform / OS Android (proprietary) Android (proprietary) (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, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology NR (5G) 1xRTT LTE (Cat 4) EVDO r0 GPRS
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
in-display (ultrasonic)
- Yes
stand-alone
- -
Flashlight Yes - Yes - -
GPS / Location n/a Yes n/a Yes -
Water-Resistant Yes
IPX8 (SCUBA)
- - - -
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
-
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - - - Yes
NFC Yes - - - -
USB Yes
USB Type C
Yes Yes
Micro-USB
Yes Yes
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
4 (802.11 a,b,g,n)
- -
Contacts
Picture ID n/a Yes n/a Yes Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a Yes n/a Yes -
Customization
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes Yes
Real-Music Ringers n/a Yes n/a Yes -
Data & Network
Data Tethering n/a Yes n/a Yes Yes
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a - n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes -
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes -
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client n/a - n/a - Yes
EMS / Picture Messaging n/a - n/a - Yes
MMS n/a Yes n/a Yes Yes
Text Messaging Templates n/a Yes n/a Yes -
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - -
Music Player n/a - n/a Yes Yes
Stereo Speakers Yes Yes - - -
Photo & Video
TV Output Yes - - - -
Power
Fast Charging Yes - - - -
Wireless Charging Yes - - - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a - n/a - Yes
Voice Memo n/a Yes n/a - Yes
Software
BREW n/a Yes n/a Yes -
Games n/a Yes n/a Yes Yes
Java (J2ME) n/a - n/a - Yes
Voice
HD Voice Yes - Yes - -
Headset Jack (2.5 mm) n/a Yes n/a Yes -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Galaxy S21 LG AX-490 LG K30 2018 (GSM) Samsung Glyde U940 Siemens CX75
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S21 LG AX-490 LG K30 2018 (GSM) Samsung Glyde U940 Siemens CX75

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