Samsung Galaxy A6+ vs Samsung Galaxy A51 vs Samsung Galaxy M31 - specs comparison

Display

Size:

6.0 inches

6.5 inches

6.4 inches

Resolution:

2220 x 1080 pixels, 18.5:9 ratio, 411 PPI

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

2340 x 1080 pixels, 19.5:9 ratio, 403 PPI

Technology:

Super AMOLED

Screen-to-body:

75.31 %

87.37 %

83.97 %

Peak brightness:

420 cd/m2 (nit)

Features:

Ambient light sensor, Proximity sensor

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

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

Hardware

System chip:

Qualcomm Snapdragon 450 SDM450

Samsung Exynos 9611

Exynos 9611

Processor:

Octa-core, 1800 MHz, ARM Cortex-A53, 64-bit, 14 nm

Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm

GPU:

Adreno 506

Mali-G72 MP3

RAM:

3GB LPDDR3

4GB LPDDR4

6GB LPDDR4

Internal storage:

32GB, available to use: 22.4 GB

128GB, available to use: 105.9 GB

64GB (UFS 2.1), available to use: 49 GB

Storage expansion:

microSDXC up to 256 GB

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (9.0 Pie, 8.0 Oreo), Samsung One UI

Android (10), Samsung One UI

Battery

Capacity:

3500 mAh

4000 mAh

6000 mAh

Type:

Li - Ion, Not user replaceable

Li - Polymer, Not user replaceable

Battery life test results:

link

Charging:

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Dual camera

Quad camera

Main camera:

16 MP (PDAF)

48 MP (PDAF)

64 MP (PDAF)

Specifications:

F1.7; 26 mm; 1/2.8"; 1.12 μm

F2.0; 26 mm; 1/2"; 0.8 μm

F1.8; 26 mm; 1/1.7"; 0.8 μm

Second camera:

5 MP (Depth information)

12 MP (Ultra-wide)

8 MP (Ultra-wide)

Specifications:

Aperture size: F1.9; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

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

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

5 MP (Macro)

Specifications:

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

Aperture size: F2.2; Focal Length: 25 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Fourth camera:

5 MP (Depth information)

Specifications:

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

Aperture size: F2.2

Video recording:

1920x1080 (Full HD) (30 fps)

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

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

Features:

Video calling, Video sharing

Hyperlapse, EIS

Front:

24 MP (Flash)

32 MP (HDR)

32 MP (HDR, Slow-motion videos)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.31 x 2.98 x 0.31 inches (160.2 x 75.7 x 7.9 mm)

6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

6.27 x 2.96 x 0.35 inches (159.2 x 75.1 x 8.9 mm)

Weight:

6.74 oz (191.0 g)

6.07 oz (172.0 g)

6.74 oz (191.0 g)

Materials:

Back: Metal

Back: Plastic; Frame: Plastic

Biometrics:

2D Face unlock, Fingerprint (touch)

2D Face unlock, In-screen fingerprint

2D Face unlock, Fingerprint (touch)

Keys:

Left: Volume control; Right: Lock/Unlock key

Right: Volume control, Lock/Unlock key

Colors:

Black, Gold, Lavender, Blue

Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Blue, Black, Red

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

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)

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), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD):

Bands 38(2600), 40(2300)

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

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

UMTS:

850, 900, 1900, 2100 MHz

850, 900, 1700/2100, 1900, 2100 MHz

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:

Yes

SIM type:

Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Loudspeaker

Features:

Dolby Atmos, Album art cover, Background playback

Dolby Atmos

Screen mirroring:

Wireless screen share

Radio:

FM, RDS, Recording option

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

4.2, EDR

5.0

Wi-Fi:

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

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

USB:

microUSB, USB 2.0

Type-C (reversible), USB 2.0

Features:

Charging, Mass storage device

Charging, OTG

Charging

Location:

GPS, A-GPS, Glonass, BeiDou

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+, VoIP, Tethering, Computer sync, OTA sync

NFC, ANT+

NFC

Regulatory Approval

FCC approval:

Date approved:

Apr 07, 2018

Nov 28, 2019

Feb 07, 2020

FCC ID value:

A3LSMA605F link

A3LSMA515FN link

A3LSMM315F link

Measured SAR:

Head:

0.24 W/kg

0.89 W/kg

0.42 W/kg

Body:

0.97 W/kg

1.18 W/kg

0.41 W/kg

Simultaneous Transmission:

1.33 W/kg

1.56 W/kg

1.54 W/kg

Wireless Router:

1.05 W/kg

1.12 W/kg

0.74 W/kg

Phablet:

1.96 W/kg

2.76 W/kg

Buyers information

Price:

$ 400

€ 240

User Manual:

This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.

This is the official Samsung Galaxy M31 User Guide in English provided from the manufacturer.

In The Box:

Charger, microUSB cable, Headphones, Quick Start Guide

15W fast charger, Data cable, Ejection pin, User Manual

Availability

Officially announced:

May 02, 2018

Dec 12, 2019

Feb 25, 2020