Samsung Galaxy M31 vs Samsung Galaxy A31 Specs Comparison

Availability

Officially announced
Feb 25, 2020	Mar 24, 2020
Prices (MSRP)
€240	€300

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, 83.97% screen-to-body	6.4-inch, 84.88% screen-to-body
Type
Super AMOLED, 420 nits	Super AMOLED, 60Hz
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2400x1080px, 20:9 ratio, 411 PPI
Protection
Corning Gorilla Glass 3

Hardware

System chip
Exynos 9611 (10 nm)	MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53	Octa-core 2x2.0GHz Cortex-A75 6x2.0G​Hz Cortex-A55
GPU
Mali-G72 MP3	Mali-G52 MC2
Memory
6GB (LPDDR4)/64GB (UFS 2.1) 6GB/128GB	4GB (LPDDR4)/64GB (eMMC 5.1) 6GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (11, 10)	Android (10)

Battery

Type
6000 mAh, Li - Polymer	5000 mAh, 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
4K UHD (30 fps), 1080p, 720p (240 fps) Hyperlapse, EIS	1080p (30 fps)
Front
32 MP (HDR, Slow-motion videos) Video capture: 1080p	20 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66	1, 2, 3, 4, 5, 7, 8, 20
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 5, 8
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

Alternative variants

with 128GB storage

Memory	128GB

with 128GB storage

Memory	6GB/128GB

Links

Full specifications
Samsung Galaxy M31 Specs	Samsung Galaxy A31 Specs