Samsung Galaxy A8 (2018) vs Samsung Galaxy M31 Specs Comparison

Availability

Officially announced
Dec 19, 2017	Feb 25, 2020
Prices (MSRP)
	€240

Design

Dimensions
5.87 x 2.78 x 0.33 inches 149.2 x 70.6 x 8.4 mm	6.27 x 2.96 x 0.35 inches 159.2 x 75.1 x 8.9 mm
Weight
6.07 oz (172.0 g)	6.74 oz (191.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum	Back: Plastic Frame: Plastic
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Features
Notification light
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Orchid grey, Blue	Blue, Black, Red

Display

Size
5.6-inch, 75.60% screen-to-body	6.4-inch, 83.97% screen-to-body
Type
Super AMOLED	Super AMOLED, 420 nits
Resolution
2220x1080px, 18.5:9 ratio, 441 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass 4	Corning Gorilla Glass 3

Hardware

System chip
Samsung Exynos 5 Octa 7885 (14 nm)	Exynos 9611 (10 nm)
Processor
Octa-core 2200 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53
GPU
Mali-G71	Mali-G72 MP3
Memory
4GB (LPDDR4)/64GB 4GB/32GB	6GB (LPDDR4)/64GB (UFS 2.1) 6GB/128GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat)	Android (11, 10)

Battery

Type
3000 mAh, Li - Polymer	6000 mAh, Li - Polymer
Charging
Fast charging	Fast charging
Charge speed
	Wired: 15.0W

Camera

Rear
Single camera	Quad camera
Main camera
16 MP (PDAF) Aperture size: F1.7	64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" 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
Third camera
	5 MP (Macro) Aperture size: F2.2 Focal Length: 25 mm Sensor size: 1/5" Pixel size: 1.12 μm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2
Flash
LED	LED
Video recording
1080p (30 fps) Hyperlapse, EIS, Video calling, Video sharing	4K UHD (30 fps), 1080p, 720p (240 fps) Hyperlapse, EIS
Front
16 MP (Dual-Camera) Video capture: 1080p	32 MP (HDR, Slow-motion videos) 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, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A Cat 11 (600/75 Mbit/s), HSPA, HSUPA	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: Nov 14, 2017 FCC ID value: A3LSMA530F	Date approved: Feb 07, 2020 FCC ID value: A3LSMM315F
Measured SAR
Head: 0.26 W/kg Body: 0.76 W/kg Simultaneous Transmission: 1.54 W/kg Wireless Router: 0.98 W/kg	Head: 0.42 W/kg Body: 0.41 W/kg Simultaneous Transmission: 1.54 W/kg Wireless Router: 0.74 W/kg

Alternative variants

with 32 GB storage

Memory	32GB
Prices (MSRP)	€500

with 128GB storage

Memory	128GB

Links

Full specifications
Samsung Galaxy A8 (2018) Specs	Samsung Galaxy M31 Specs
PhoneArena Review
Samsung Galaxy A8 (2018) Review
User Reviews
Samsung Galaxy A8 (2018) User Reviews