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Phone Samsung SGH-X820 Samsung Galaxy S6 (GSM) LG Optimus L90 Samsung Galaxy Note20 LG K30 2018 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.1" diag.
16 : 9
4.7" diag.
16 : 9
6.7" diag.
20 : 9
5.3" diag.
16 : 9
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz 60 Hz
Battery 650 mAh 2,550 mAh 2,460 mAh 4,300 mAh 2,880 mAh
Processor ? 2.1 GHz Samsung Exynos 7420 1.2 GHz Qualcomm Snapdragon 400 MSM8226 3.1 GHz Qualcomm Snapdragon 865+ 1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM ? 3 GB 1 GB 8 GB 2 GB
Storage ? raw hardware 32 GB * 8 GB 128 GB 32 GB *
Main Camera 2 megapixel 16 megapixel 5 megapixel 12 megapixel 13 megapixel
Wide Camera - - - 12 megapixel -
Tele Camera - - - 64 megapixel -
Video Capture ? 4K UHD 1080p HD 8K 1080p HD
Front Camera - 5 megapixel Yes 10 megapixel 5 megapixel
Weight 2.33 oz
(66g)
4.87 oz
(138g)
4.37 oz
(124g)
6.84 oz
(194g)
5.93 oz
(168g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
5.18" x 2.6" x 0.38"
(132 x 66 x 9.7 mm)
6.36" x 2.96" x 0.33"
(162 x 75 x 8.3 mm)
5.85" x 2.95" x 0.34"
(149 x 75 x 8.6 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Android Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 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

*

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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology EDGE LTE (Cat 6) HSPA+ 21 NR (5G) LTE (Cat 4)
Features 
Barometer - - - Yes -
Fingerprint Reader - Yes - Yes
in-display (ultrasonic)
Yes
stand-alone
Flashlight - Yes Yes Yes Yes
GPS / Location - n/a n/a n/a n/a
VR-ready - Yes - - -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - n/a n/a n/a n/a
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes Yes - -
MirrorLink - Yes - - -
Mobile Hotspot - n/a n/a n/a n/a
NFC - Yes - Yes -
USB Yes Yes
Micro-USB
Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
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 n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a n/a
External Antenna Jack Yes n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - - Yes -
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client Yes n/a n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player - n/a n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output Yes Yes - Yes -
Power
Fast Charging - Yes - Yes -
Wireless Charging - Yes - Yes -
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
HD Voice - Yes - Yes Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X820 Samsung Galaxy S6 (GSM) LG Optimus L90 Samsung Galaxy Note20 LG K30 2018 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X820 Samsung Galaxy S6 (GSM) LG Optimus L90 Samsung Galaxy Note20 LG K30 2018 (GSM)

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