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Samsung Galaxy M51 vs Samsung Galaxy A42

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

Display

Size:

6.7 inches
6.6 inches

Resolution:

2340 x 1080 pixels, 20:9 ratio, 385 PPI
1600 x 720 pixels, 20:9 ratio, 266 PPI

Technology:

Super AMOLED Plus
Super AMOLED

Refresh rate:

60Hz

Screen-to-body:

88.27 %
84.26 %

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 730 SM7150-AA
Qualcomm Snapdragon 750G SM7225

Processor:

Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 2200 MHz, Kryo 570, 64-bit, 8 nm

GPU:

Adreno 618
Adreno 619

RAM:

6GB LPDDR4
4GB LPDDR4

Internal storage:

128GB, available to use: 106 GB
128GB, available to use: 106 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 1000 GB

Device type:

Smartphone
Smartphone

OS:

Android (10), Samsung One UI
Android (11, 10), Samsung One UI

Battery

Capacity:

7000 mAh
5000 mAh

Type:

Not user replaceable
Not user replaceable

Charging:

Fast charging, Reverse charging
Samsung Adaptive Fast Charging

Max charge speed:

Wired: 25.0W
Wired: 15.0W

Camera

Rear:

Quad camera
Quad camera

Main camera:

64 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 0.8 μm
Aperture size: F1.8; Pixel size: 0.8 μm

Second camera:

12 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2
Aperture size: F2.2

Third camera:

5 MP (Macro)
5 MP (Macro)

Specifications:

Aperture size: F2.4
Aperture size: F2.4

Fourth camera:

5 MP (Depth information)
5 MP (Depth information)

Specifications:

Aperture size: F2.4
Aperture size: F2.4

Video recording:

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

Front:

32 MP (HDR)
20 MP (Autofocus)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.45 x 3.00 x 0.37 inches (163.9 x 76.3 x 9.5 mm)
6.47 x 2.99 x 0.34 inches (164.4 x 75.9 x 8.6 mm)

Weight:

7.51 oz (213.0 g)
6.81 oz (193.0 g)

Materials:

Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)
In-screen fingerprint

Keys:

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

Colors:

Black, White
Prism Dot black, Prism Dot white, Prism Dot grey

Cellular

5G:

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

LTE (FDD):

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), 26(850+), 28(700 APT), 66(AWS-3)
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 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

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

Data Speed:

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

Dual SIM:

Yes
Shared with microSD

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

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
Charging

Location:

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

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other:

NFC
NFC

Regulatory Approval

FCC approval:

Date approved:

Apr 08, 2021

FCC ID value:

A3LSMA426U

Measured SAR:

Head:

1.11 W/kg

Body:

1.25 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.06 W/kg

Phablet:

3.81 W/kg

Buyers information

Price:

€ 360
€ 340

User Manual:

This is the official Samsu​ng Galaxy A42 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Aug 31, 2020
Sep 02, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless