Samsung Galaxy A51 vs Samsung Galaxy M51

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from $319

Display

Size

6.5 inches
6.7 inches

Resolution

2400 x 1080 pixels, 20:9 ratio,
405 PPI
2340 x 1080 pixels, 19.5:9 ratio,
385 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

87.37 %
88.27 %

Features

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

Hardware

System chip

Samsung Exynos 9611
Qualcomm Snapdragon 730 SM7150-AA

Processor

Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

GPU

Mali-G72 MP3
Adreno 618

RAM

4GB LPDDR4
6GB LPDDR4

Internal storage

128GB, available to use: 105.9 GB
128GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type

Smartphone
Smartphone

OS

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

Battery

Capacity

4000 mAh
7000 mAh

Type

Li - Polymer, Not user replaceable
Not user replaceable

Battery life test results

 

Charging

Fast charging
Fast charging

Max charge speed

 
Wired: 25.0W

Camera

Rear

Quad camera
Quad camera

Main camera

48 MP (PDAF)
64 MP (PDAF)

Specifications

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 0.8 μm

Second camera

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

Specifications

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

Third camera

5 MP (Macro)
5 MP (Macro)

Specifications

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

Fourth camera

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

Specifications

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

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)

Features

Hyperlapse, EIS
 

Front

32 MP (HDR)
32 MP (HDR)

Design

Dimensions

6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
6.45 x 3.00 x 0.37 inches (163.9 x 76.3 x 9.5 mm)

Weight

6.07 oz (172.0 g)
the average is 6.3 oz (179 g)
 

Materials

Back: Plastic; Frame: Plastic
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 Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Black, White

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
 

LTE (TDD)

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

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
 

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

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Dolby Atmos
 

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

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass

Other

NFC, ANT+
NFC

Regulatory Approval

FCC approval

 
 

Date approved

Nov 28, 2019
 

FCC ID value: A3LSMA515FN link
 

Measured SAR

 
 

Head

0.89 W/kg
 

Body

1.18 W/kg
 

Simultaneous Transmission

1.56 W/kg
 

Wireless Router

1.12 W/kg
 

Phablet

2.76 W/kg
 

Buyers information

Price

$ 400
€ 360

User Manual

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

Availability

Officially announced

Dec 12, 2019
Aug 31, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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