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

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	6.4-inch
Resolution
2220x1080px, 18.5:9 ratio, 441 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Technology
Super AMOLED	Super AMOLED
Screen-to-body
75.60 %	83.97 %
Peak brightness
	420 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

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 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Mali-G71	Mali-G72 MP3
RAM
4GB (LPDDR4)	6GB (LPDDR4)
Internal storage
64GB	64GB (UFS 2.1), available to use: 49 GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat), Samsung One UI	Android (11, 10), Samsung One UI

Battery

Capacity
3000 mAh	6000 mAh
Type
Li - Polymer	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
1920x1080 (Full HD) (30 fps) Hyperlapse, EIS, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps) Hyperlapse, EIS
Front
16 MP (Dual-Camera), Video capture: 1920x1080 (Full HD)	32 MP (HDR, Slow-motion videos), 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, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
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(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 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), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
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), 4(1700/2100), 5(850), 8(900)
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

Buyers information

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

Availability

Officially announced
Dec 19, 2017	Feb 25, 2020

Alternative variants

with 32 GB storage

Internal storage	32GB, available to use: 22.7 GB
MSRP	€ 500

with 128GB storage

Internal storage	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