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Phone Samsung SCH-A990 TCL 20 XE Samsung Galaxy S8+ Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) Verizon
Global Availability Released Released Released Released
Specifications 
Display Size ? 6.5" diag.
20 : 9
6.2" diag.
18.5 : 9
6.2" diag.
20 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
1440 x 2960 pixels
(~531 ppi)
AMOLED
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh ? 60 Hz 60 Hz 120 Hz
Battery 1,000 mAh 5,000 mAh 3,500 mAh 4,000 mAh
Processor ? 2 GHz MediaTek Helio P22 (MT6762) 2.3 GHz Qualcomm Snapdragon 835 (MSM8998) 2.8 GHz Qualcomm Snapdragon 888
RAM ? 3 GB 4 GB 8 GB
Storage ? raw hardware 32 GB 64 GB 128 GB *
Main Camera 3 megapixel 13 megapixel 12 megapixel 12 megapixel
Wide Camera - - - 12 megapixel
Tele Camera - - - 64 megapixel
Video Capture ? 1080p HD 4K UHD 8K
Front Camera - 5 megapixel 8 megapixel 10 megapixel
Weight 4.4 oz
(125g)
6.88 oz
(195g)
6.1 oz
(173g)
6.03 oz
(171g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.48" x 2.95" x 0.35"
(165 x 75 x 8.9 mm)
6.28" x 2.89" x 0.32"
(160 x 73 x 8.1 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Android Android Android
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

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

Data Technology EVDO r0 LTE (Cat 6) LTE (Cat 16) NR (5G)
Features 
Barometer - Yes - Yes
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
Yes
in-display (ultrasonic)
Flashlight Yes Yes Yes Yes
GPS / Location Yes n/a n/a n/a
VR-ready - - Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes
MirrorLink - - Yes -
NFC - - Yes Yes
USB Yes Yes
USB Type C
Yes
USB Type C
Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing Yes n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes -
Messaging
EMS / Picture Messaging Yes n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - Yes Yes -
Music Player Yes n/a n/a n/a
Stereo Speakers Yes - - Yes
Photo & Video
TV Output Yes - - Yes
Power
Fast Charging - Yes Yes Yes
Wireless Charging - - Yes Yes
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
BREW Yes n/a n/a n/a
Games Yes n/a n/a n/a
Voice
HD Voice - Yes Yes Yes
Speaker Phone Yes Yes Yes Yes
  Samsung SCH-A990 TCL 20 XE Samsung Galaxy S8+ Samsung Galaxy S21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 TCL 20 XE Samsung Galaxy S8+ Samsung Galaxy S21

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