Samsung Galaxy A20 vs Samsung Galaxy A10 vs LG K51

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.4 inches
6.2 inches
6.5 inches

Resolution:

1560 x 720 pixels, 19.5:9 ratio, 268 PPI
1520 x 720 pixels, 19:9 ratio, 271 PPI
1560 x 720 pixels, 19.5:9 ratio, 264 PPI

Technology:

Super AMOLED
IPS LCD
IPS LCD

Screen-to-body:

84.95 %
80.07 %
79.70 %

Features:

Proximity sensor
Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 7884
Samsung Exynos 7884
MediaTek Helio P22 MT6762

Processor:

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU:

Mali-G71 MP2
Mali-G71 MP2
IMG PowerVR GE8320

RAM:

3GB LPDDR4
2GB LPDDR4
3GB

Internal storage:

32GB, available to use: 20.3 GB
32GB, available to use: 22.9 GB
32GB, available to use: 18 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB
microSDXC up to 2000 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 9.0 Pie), Samsung One UI
Android (9.0 Pie), Samsung One UI
Android (10)

Battery

Capacity:

4000 mAh
3400 mAh
4000 mAh

Type:

Not user replaceable
Not user replaceable
Li - Ion, Not user replaceable

Battery life test results:

Charging:

Samsung Adaptive Fast Charging

Camera

Rear:

Dual camera
Single camera
Triple camera

Main camera:

13 MP (Autofocus)
13 MP (Autofocus)
13 MP (PDAF)

Specifications:

Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm

Second camera:

5 MP (Ultra-wide)
5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Third camera:

2 MP (Depth information)

Specifications:

Sensor size: 1/5"; Pixel size: 1.75 μm

Video recording:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD)

Features:

Video calling, Video sharing
Picture-taking during video recording

Front:

8 MP
5 MP
13 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)
6.13 x 2.98 x 0.31 inches (155.6 x 75.6 x 7.94 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)
5.93 oz (168.0 g)
7.17 oz (203.4 g)

Materials:

Back: Plastic
Back: Plastic

Resistance:

Yes; MIL-STD-810 certified

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock
Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

Colors:

Black,Deep blue, Red
Black, Blue, Red
Titan gray

Cellular

LTE (FDD):

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 41(2600+)

UMTS:

Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Data Speed:

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE Cat 4 (150/50 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

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes

VoLTE:

Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Dolby Atmos
Album art cover, Background playback
DTS:X Virtual Surround

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac; Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
microUSB, USB 2.0
Type-C (reversible), USB 2.0

Features:

Charging
Charging, Mass storage device
Charging

Location:

GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer
Accelerometer, Gyroscope, Compass

Other:

VoIP, Tethering, Computer sync, OTA sync

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jun 19, 2019
Feb 27, 2019

FCC ID value:

A3LSMA205U link
A3LSMA105F link

Measured SAR:

Head:

1.09 W/kg
0.20 W/kg

Body:

0.60 W/kg
0.63 W/kg

Simultaneous Transmission:

1.37 W/kg
0.97 W/kg

Wireless Router:

1.00 W/kg
0.65 W/kg

Phablet:

3.94 W/kg

Buyers information

Price:

$ 250
$ 200

User Manual:

This is the official LG K51 User Guide in English provided from the manufacturer.

In The Box:

Charger, USB Cable, SIM Ejector

Availability

Officially announced:

May 06, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless