Samsung Galaxy A51 5G vs Samsung Galaxy A42

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from $500
from $120

Display

Size

6.5 inches
6.6 inches

Resolution

2400 x 1080 pixels, 20:9 ratio,
405 PPI
2400 x 1080 pixels, 20:9 ratio,
399 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

87.37 %
 

Features

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

Hardware

System chip

Samsung Exynos 980
Qualcomm Snapdragon 690 SM6350

Processor

Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
Octa-core, 2000 MHz, Kryo 560, 64-bit, 8 nm

GPU

Mali-G76 MP5
Adreno 619L

RAM

6GB LPDDR4
4GB LPDDR4

Internal storage

128GB, available to use: 105.3 GB
64GB

Storage expansion

microSDXC up to 1000 GB
microSDXC

Device type

Smartphone
Smartphone

OS

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

Battery

Capacity

4500 mAh
5000 mAh

Type

Li - Polymer, Not user replaceable
Not user replaceable

Charging

Fast charging
Fast charging

Max charge speed

Wired: 25.0W
 

Camera

Rear

Quad camera
Quad camera

Main camera

48 MP (PDAF)
48 MP (PDAF)

Specifications

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

Second camera

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

Specifications

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
 

Third camera

5 MP (Macro)
5 MP (Macro)

Specifications

Aperture size: F2.4; Focal Length: 40 mm
 

Fourth camera

5 MP (Depth information)
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)
3840x2160 (4K UHD)

Features

Hyperlapse, EIS
 

Front

32 MP (HDR)
20 MP (Autofocus)

Design

Dimensions

6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
 

Weight

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

Materials

Back: Plastic; Frame: Plastic
 

Biometrics

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

Keys

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

Colors

Prism cube black
Black, White, Grey

Cellular

5G

n41, n71, SA, NSA
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)
 

LTE (TDD)

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

UMTS

850, 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, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

 
Nano SIM

HD Voice

Yes
 

Multimedia

Headphones

3.5mm jack
 

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Dolby Atmos
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

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, 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+
NFC

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

$ 500
€ 369

User Manual

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

In The Box

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

Availability

Officially announced

Apr 08, 2020
Sep 02, 2020

Scheduled release

 
November 2020
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