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Samsung Galaxy A51 5G vs LG K51

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

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

Refresh rate:

60Hz

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 (8 nm)
MediaTek Helio P22 MT6762 (12 nm)

Processor:

Octa-core, 2x 2.2GHz Cortex-A77 + 6x 1.8GHz Cortex-A55, 64-bit
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit

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 (11, 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

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

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)
7.17 oz (203.4 g)

Materials:

Back: Plastic; Frame: Aluminum

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:

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

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
Jun 16, 2020

FCC ID value:

A3LSMA516U
ZNFL555DL

Measured SAR:

Head:

1.18 W/kg
0.66 W/kg

Body:

1.20 W/kg
1.20 W/kg

Simultaneous Transmission:

3.25 W/kg
1.59 W/kg

Wireless Router:

1.37 W/kg
1.27 W/kg

Phablet:

3.96 W/kg

Buyers information

Price:

$ 500
$ 200

User Manual:

This is the official Samsu​ng Galaxy A51 5G User Guide in English provided from the manufacturer.
This is the official LG K51 User Guide in English provided from the manufacturer.

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
FCC OKs Cingular\'s purchase of AT&T Wireless