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Phone Samsung SCH-A990 Samsung Galaxy A51 (4G) Dell Venue Pro Nokia N81 LG G8X ThinQ
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 6.5" diag.
20 : 9
4.1" diag.
5 : 3
2.4" diag.
4 : 3
6.4" diag.
19.5 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
1080 x 2400 pixels
(~405 ppi)
AMOLED
480 x 800 pixels
(~228 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~403 ppi)
AMOLED
Display Refresh ? 60 Hz ? ? 60 Hz
Battery 1,000 mAh 4,000 mAh 1,400 mAh 1,050 mAh 4,000 mAh
Processor ? 2.3 GHz Samsung Exynos 9611 1 GHz Qualcomm Snapdragon S1 QSD8250 369 MHz ARM 11 2.8 GHz Qualcomm Snapdragon 855
RAM ? 4 GB ? ? 6 GB
Storage ? raw hardware 128 GB 8 GB 8 GB * 128 GB
Main Camera 3 megapixel 48 megapixel 5 megapixel 2 megapixel 12 megapixel
Wide Camera - 12 megapixel - - 13 megapixel
Tele Camera - - - - -
Video Capture ? 4K UHD 720p HD VGA (640 x 480) 4K UHD
Front Camera - 32 megapixel - - 32 megapixel
Weight 4.4 oz
(125g)
6.07 oz
(172g)
6.8 oz
(193g)
4.94 oz
(140g)
6.77 oz
(192g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.24" x 2.89" x 0.31"
(158 x 73 x 7.9 mm)
4.8" x 2.5" x 0.6"
(122 x 64 x 15.2 mm)
4.02" x 1.97" x 0.7"
(102 x 50 x 17.8 mm)
6.27" x 2.98" x 0.33"
(159 x 76 x 8.4 mm)
Form Factor Clamshell Slab Slide Slide Slab
Platform / OS (proprietary) Android Windows S60 (Symbian) Android
Network Bands

CDMA: 850, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 30, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 4, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 1

GSM: 850, 900, 1800, 1900

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

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 LTE (Cat 12) HSPA 7.2 EDGE ?
Features 
Fingerprint Reader - Yes
in-display (optical)
- - Yes
Flashlight Yes Yes - - Yes
GPS / Location Yes n/a n/a n/a n/a
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
MirrorLink - Yes - - Yes
NFC - Yes - - Yes
USB Yes Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Yes
5 (802.11 a,ac,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 Yes 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 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
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes
Capacitive
Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes - Yes * Yes
Messaging
Email Client - 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 Yes -
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player Yes n/a n/a n/a n/a
Stereo Speakers Yes - - Yes Yes
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
TV Output Yes - - - -
Video Calling - n/a n/a n/a n/a
Power
Fast Charging - Yes - - Yes
Wireless Charging - - - - 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 - n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
BREW Yes n/a n/a n/a n/a
Games Yes n/a n/a n/a n/a
Java (J2ME) - n/a n/a n/a n/a
Voice
HD Voice - Yes - - Yes
Push-To-Talk - - - Yes * -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 Samsung Galaxy A51 (4G) Dell Venue Pro Nokia N81 LG G8X ThinQ
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Phone Samsung SCH-A990 Samsung Galaxy A51 (4G) Dell Venue Pro Nokia N81 LG G8X ThinQ

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