Samsung Galaxy A51 5G vs LG K51

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from $500
from $200

Display

Size

6.5 inches
6.5 inches

Resolution

2400 x 1080 pixels, 20:9 ratio,
405 PPI
1560 x 720 pixels, 19.5:9 ratio,
264 PPI

Technology

Super AMOLED
IPS LCD

Screen-to-body

87.37 %
79.70 %

Features

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip

Samsung Exynos 980
MediaTek Helio P22 MT6762

Processor

Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU

Mali-G76 MP5
IMG PowerVR GE8320

RAM

6GB LPDDR4
3GB

Internal storage

128GB, available to use: 105.3 GB
32GB, available to use: 18 GB

Storage expansion

microSDXC up to 1000 GB
microSDXC up to 2000 GB

Device type

Smartphone
Smartphone

OS

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

Battery

Capacity

4500 mAh
4000 mAh

Type

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

Charging

Fast charging
 

Max charge speed

Wired: 25.0W
 

Camera

Rear

Quad camera
Triple camera

Main camera

48 MP (PDAF)
13 MP (PDAF)

Specifications

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm

Second camera

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

Specifications

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

Third camera

5 MP (Macro)
2 MP (Depth information)

Specifications

Aperture size: F2.4; Focal Length: 40 mm
Sensor size: 1/5"; Pixel size: 1.75 μm

Fourth camera

5 MP (Depth information)
 

Specifications

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
 

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
1920x1080 (Full HD)

Features

Hyperlapse, EIS
Picture-taking during video recording

Front

32 MP (HDR)
13 MP

Design

Dimensions

6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)

Weight

6.60 oz (187.0 g)
the average is 6.3 oz (179 g)
7.17 oz (203.4 g)
the average is 6.3 oz (179 g)

Materials

Back: Plastic; Frame: Plastic
 

Resistance

 
Yes; MIL-STD-810 certified

Biometrics

2D Face unlock, In-screen fingerprint
Fingerprint (touch)

Keys

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

Colors

Prism cube black
Titan gray

Cellular

5G

n41, n71, SA, NSA
 

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
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), 39(1900+), 40(2300), 41(2600+)
Bands 41(2600+)

UMTS

850, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed

LTE-A Pro Cat 16 (1000/150 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

HD Voice

Yes
Yes

VoLTE

 
Yes

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
FM

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

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

USB

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

Features

Charging, OTG
Charging

Location

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, Gyroscope, Compass

Other

NFC, ANT+
 

Hearing aid compatible

M3, T3
M3, T3

Regulatory Approval

FCC approval

 
 

Date approved

Jul 15, 2020
 

FCC ID value: A3LSMA516U link
 

Measured SAR

 
 

Head

1.18 W/kg
 

Body

1.20 W/kg
 

Simultaneous Transmission

3.25 W/kg
 

Wireless Router

1.37 W/kg
 

Buyers information

Price

$ 500
$ 200

User Manual

Download the Samsu​ng Galaxy A51 5G Manual as a PDF file.
Download the LG K51 Manual as a PDF file.

In The Box

A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions
Charger, USB Cable, SIM Ejector

Availability

Officially announced

Apr 08, 2020
May 06, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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