Samsung Galaxy A20 vs LG K51 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.


Samsung Galaxy A20	LG K51
Released · Apr 10, 2019	Released · May 06, 2020
6.4-inch · 1560x720px	6.5-inch · 1560x720px
Dual camera	Triple camera
3GB · 32GB	3GB · 32GB
4000 mAh	4000 mAh
Check prices

Design

Dimensions
6.24 x 2.94 x 0.31 inches 158.4 x 74.7 x 7.8 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
5.96 oz (169.0 g)	7.17 oz (203.4 g)
Materials
Back: Plastic
Resistance
	Yes; MIL-STD-810 certified
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Black,Deep blue, Red	Titan gray

Display

Size
6.4-inch	6.5-inch
Resolution
1560x720px, 19.5:9 ratio, 268 PPI	1560x720px, 19.5:9 ratio, 264 PPI
Technology
Super AMOLED	IPS LCD
Refresh rate
60Hz
Screen-to-body
84.95 %	79.70 %
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7884 (14 nm)	MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 2000 MHz Arm Cortex-A53
GPU
Mali-G71 MP2	IMG PowerVR GE8320
Memory
3GB (LPDDR4)/32GB	3GB/32GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 2000 GB
OS
Android (11, 10, 9.0 Pie)	Android (10)

Battery

Type
4000 mAh	4000 mAh, Li - Ion
Charging
Samsung Adaptive Fast Charging

Camera

Rear
Dual camera	Triple camera
Main camera
13 MP (Autofocus) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/3.1" Pixel size: 1.12 μm	13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm	5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
	2 MP (Depth information) Sensor size: 1/5" Pixel size: 1.75 μm
Flash
LED	LED
Video recording
1080p (30 fps)	1080p Picture-taking during video recording
Front
8 MP	13 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Dolby Atmos	DTS:X Virtual Surround
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 2, 3, 4, 5, 7, 13, 20, 28, 66(AWS-3)	Bands 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66(AWS-3), 71(600)
4G (TDD)
	Bands 41
3G
Bands 1, 2, 5, 8	Bands 1, 2, 4, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Jun 19, 2019 FCC ID value: A3LSMA205U	Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL
Measured SAR
Head: 1.09 W/kg Body: 0.60 W/kg Simultaneous Transmission: 1.37 W/kg Wireless Router: 1.00 W/kg Phablet: 3.94 W/kg	Head: 0.66 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.27 W/kg Phablet: 3.96 W/kg

Buyers information

MSRP
$ 250	$ 200
In The Box
	Charger, USB Cable, SIM Ejector

Availability

Officially announced
	May 06, 2020

Alternative variants

for T-Mobile and Metro


4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66(AWS-3), 71(600)
4G (TDD)	Bands 38, 39, 40, 41
3G	Bands 5, 8, 4, 2, 1

for Boost Mobile


OS	Android (9.0 Pie)
4G (FDD)	Bands 2, 4, 5, 12, 13, 25, 26, 66(AWS-3), 71(600)

for Verizon, Sprint, Virgin Mobile and Boost Mobile


4G (FDD)	Bands 2, 4, 5, 12, 13, 25, 26, 71(600)
4G (TDD)	Bands 41
3G	Bands 5, 8, 4, 2, 1

for Verizon


4G (FDD)	Bands 2, 3, 4, 5, 7, 12, 13, 20, 66(AWS-3)
MSRP	$ 170

for US Cellular


4G (FDD)	Bands 2, 4, 5, 12, 13, 25, 66(AWS-3), 71(600)
3G	Bands 5, 8, 4, 2, 1

for Metro


4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66(AWS-3), 71(600)
4G (TDD)	Bands 38, 41
3G	Bands 5, 4, 2, 1

Links

Full specifications
Samsung Galaxy A20 Specs	LG K51 Specs
User Reviews
Samsung Galaxy A20 User Reviews	LG K51 User Reviews