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Samsung Galaxy M31 vs Samsung Galaxy A31 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy M31
Samsung Galaxy A31
Samsung Galaxy M31 Samsung Galaxy A31
Released · Mar 05, 2020
Released · Apr 27, 2020
6.4-inch
6.4-inch
Quad camera
Quad camera
6GB · 64GB
4GB · 64GB
6000 mAh
5000 mAh

Design

Dimensions
6.27 x 2.96 x 0.35 inches
159.2 x 75.1 x 8.9 mm 		6.27 x 2.88 x 0.34 inches
159.3 x 73.1 x 8.6 mm
Weight
6.74 oz (191.0 g) 6.53 oz (185.0 g)
Materials
Back: Plastic
Frame: Plastic 		Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch) Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Blue, Black, Red Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
6.4-inch 6.4-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 2400x1080px, 20:9 ratio, 411 PPI
Technology
Super AMOLED Super AMOLED
Refresh rate
60Hz
Screen-to-body
83.97 % 84.88 %
Peak brightness
420 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
Exynos 9611 (10 nm) MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core
4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53 		Octa-core
2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55
GPU
Mali-G72 MP3 Mali-G52 MC2
RAM
6GB (LPDDR4) 4GB (LPDDR4)
Internal storage
64GB (UFS 2.1), available to use: 49 GB 64GB (eMMC 5.1), available to use: 46.2 GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (11, 10), Samsung One UI Android (10), Samsung One UI

Battery

Capacity
6000 mAh 5000 mAh
Type
Li - Polymer Li - Polymer
Charging
Fast charging Fast charging
Charge speed
Wired: 15.0W Wired: 15.0W

Camera

Rear
Quad camera Quad camera
Main camera
64 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm 		48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm 		8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.2
Focal Length: 25 mm
Sensor size: 1/5"
Pixel size: 1.12 μm 		5 MP (Macro)
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Aperture size: F2.2 		5 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)
Hyperlapse, EIS 		1920x1080 (Full HD) (30 fps)
Front
32 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD) 20 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
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, USB 2.0 Type-C, USB 2.0
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

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
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

4G (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), 26(850+), 28(700 APT), 66(AWS-3) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 5(850), 8(900)
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 Yes
SIM type
Nano SIM Nano SIM
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Feb 07, 2020
FCC ID value: A3LSMM315F 		Date approved: Mar 08, 2020
FCC ID value: A3LSMA315GL
Measured SAR
Head: 0.42 W/kg
Body: 0.41 W/kg
Simultaneous Transmission: 1.54 W/kg
Wireless Router: 0.74 W/kg 		Head: 0.53 W/kg
Body: 0.56 W/kg
Simultaneous Transmission: 1.42 W/kg
Wireless Router: 0.65 W/kg
Phablet: 0.89 W/kg

Buyers information

MSRP
€ 240 € 300
In The Box
15W fast charger, Data cable, Ejection pin, User Manual

Availability

Officially announced
Feb 25, 2020 Mar 24, 2020

Alternative variants

with 128GB storage
Internal storage 128GB
with 128GB storage
RAM 6GB
Internal storage 128GB
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