Samsung Galaxy A42 vs Samsung Galaxy A72 vs Samsung Galaxy A51 5G

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

Display

Size:

6.6 inches
6.7 inches
6.5 inches

Resolution:

1600 x 720 pixels, 20:9 ratio, 266 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

Super AMOLED
Super AMOLED
Super AMOLED

Screen-to-body:

84.26 %
84.74 %
87.37 %

Features:

60Hz refresh rate, Ambient light sensor, Proximity sensor
90Hz refresh rate, Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 750G SM7225
Qualcomm Snapdragon 720G SM7125
Samsung Exynos 980

Processor:

Octa-core, 2200 MHz, Kryo 570, 64-bit, 8 nm
Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm
Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm

GPU:

Adreno 619
Adreno 618
Mali-G76 MP5

RAM:

4GB LPDDR4
6GB
6GB LPDDR4

Internal storage:

128GB, available to use: 106 GB
128GB (UFS)
128GB, available to use: 105.3 GB

Storage expansion:

microSDXC up to 1000 GB
microSDXC up to 1024 GB
microSDXC up to 1000 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11, 10), Samsung One UI
Android (11), One UI 3.0 UI
Android (10), Samsung One UI

Battery

Capacity:

5000 mAh
5000 mAh
4500 mAh

Type:

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

Charging:

Samsung Adaptive Fast Charging
Qualcomm Quick Charge 2.0
Fast charging

Max charge speed:

Wired: 15.0W
Wired: 25.0W
Wired: 25.0W

Camera

Rear:

Quad camera
Quad camera
Quad camera

Main camera:

48 MP (PDAF)
64 MP (OIS, Autofocus)
48 MP (PDAF)

Specifications:

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

Second camera:

8 MP (Ultra-wide)
8 MP (Telephoto, OIS, Autofocus)
12 MP (Ultra-wide)

Specifications:

Aperture size: F2.2
Optical zoom: 3.0x; Aperture size: F2.4; Pixel size: 1.0 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

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

Specifications:

Aperture size: F2.4
Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

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

Specifications:

Aperture size: F2.4
Aperture size: F2.4; Pixel size: 1.12 μm
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

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

Features:

Continuous autofocus, Picture-taking during video recording
Hyperlapse, EIS

Front:

20 MP (Autofocus)
32 MP
32 MP (HDR)

Video capture:

3840x2160 (4K UHD) (30 fps)
1920x1080 (Full HD)

Design

Dimensions:

6.47 x 2.99 x 0.34 inches (164.4 x 75.9 x 8.6 mm)
6.50 x 3.05 x (165 x 77.4 x 8.4 mm)
6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)

Weight:

6.81 oz (193.0 g)
7.16 oz (203.0 g)
6.60 oz (187.0 g)

Materials:

Back: Plastic
Back: Plastic; Frame: Aluminum

Materials & Colors:

Black, Blue, White, Violet

Resistance:

Water, Dust; IP67

Biometrics:

In-screen fingerprint
2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint

Keys:

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

Colors:

Prism Dot black, Prism Dot white, Prism Dot grey
Prism cube black

Cellular

5G:

n1, n3, n5, n7, n8, n28, Sub-6
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), 17(700 b), 20(800 DD), 28(700 APT)
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)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

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

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD
Shared with microSD

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Dolby Atmos
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
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, 802.1x; 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
Type-C (reversible), USB 2.0

Features:

Charging
Charging, OTG
Charging, OTG

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
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, Pedometer, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

NFC
NFC
NFC, ANT+

Hearing aid compatible:

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:

€ 340
€ 449
$ 500

User Manual:

This is the official Samsu​ng Galaxy A42 User Guide in English provided from the manufacturer.
This is the official Samsu​ng Galaxy A51 5G 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

Availability

Officially announced:

Sep 02, 2020
Mar 17, 2021
Apr 08, 2020
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