LG K51 vs Samsung Galaxy A42 - specs comparison

Display

Size:

6.5 inches

6.6 inches

Resolution:

1560 x 720 pixels, 19.5:9 ratio, 264 PPI

1600 x 720 pixels, 20:9 ratio, 266 PPI

Technology:

IPS LCD

Super AMOLED

Screen-to-body:

79.70 %

84.26 %

Features:

Ambient light sensor, Proximity sensor

60Hz refresh rate, Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek Helio P22 MT6762

Qualcomm Snapdragon 750G SM7225

Processor:

Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

Octa-core, 2200 MHz, Kryo 570, 64-bit, 8 nm

GPU:

IMG PowerVR GE8320

Adreno 619

RAM:

3GB

4GB LPDDR4

Internal storage:

32GB, available to use: 18 GB

128GB, available to use: 106 GB

Storage expansion:

microSDXC up to 2000 GB

microSDXC up to 1000 GB

Device type:

Smartphone

OS:

Android (10)

Android (11, 10), Samsung One UI

Battery

Capacity:

4000 mAh

5000 mAh

Type:

Li - Ion, Not user replaceable

Not user replaceable

Charging:

Samsung Adaptive Fast Charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Triple camera

Quad camera

Main camera:

13 MP (PDAF)

48 MP (PDAF)

Specifications:

F1.8; 1/3"; 1.12 μm

F1.8; 0.8 μm

Second camera:

5 MP (Ultra-wide)

8 MP (Ultra-wide)

Specifications:

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

Aperture size: F2.2

Third camera:

2 MP (Depth information)

5 MP (Macro)

Specifications:

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

Aperture size: F2.4

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

1920x1080 (Full HD)

3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)

Features:

Picture-taking during video recording

Front:

13 MP

20 MP (Autofocus)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)

6.47 x 2.99 x 0.34 inches (164.4 x 75.9 x 8.6 mm)

Weight:

7.17 oz (203.4 g)

6.81 oz (193.0 g)

Resistance:

Yes; MIL-STD-810 certified

Biometrics:

Fingerprint (touch)

In-screen fingerprint

Keys:

Left: Volume control; Right: Lock/Unlock key

Right: Volume control, Lock/Unlock key

Colors:

Titan gray

Prism Dot black, Prism Dot white, Prism Dot grey

Cellular

5G:

n1, n3, n5, n7, n8, n28, Sub-6

LTE (FDD):

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)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)

LTE (TDD):

Bands 41(2600+)

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

UMTS:

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

Data Speed:

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

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD

SIM type:

Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Multiple speakers

Earpiece, Loudspeaker

Features:

DTS:X Virtual Surround

Screen mirroring:

Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

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

USB:

Type-C (reversible), USB 2.0

Features:

Charging

Location:

GPS, A-GPS, Cell ID, Wi-Fi positioning

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

Sensors:

Accelerometer, Gyroscope, Compass

Other:

NFC

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jun 16, 2020

Apr 08, 2021

FCC ID value:

ZNFL555DL

A3LSMA426U

Measured SAR:

Head:

0.66 W/kg

1.11 W/kg

Body:

1.20 W/kg

1.25 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.27 W/kg

1.06 W/kg

Phablet:

3.96 W/kg

3.81 W/kg

Buyers information

Price:

$ 200

€ 340

User Manual:

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

This is the official Samsung Galaxy A42 User Guide in English provided from the manufacturer.

In The Box:

Charger, USB Cable, SIM Ejector

Availability

Officially announced:

May 06, 2020

Sep 02, 2020