Samsung Galaxy A31 vs Samsung Galaxy S8 Specs Comparison

Design

Dimensions
6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm	5.86 x 2.68 x 0.31 inches 148.9 x 68.1 x 8.0 mm
Weight
6.53 oz (185.0 g)	5.47 oz (155.0 g)
Materials
Back: Plastic	Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
Optical in-screen fingerprint	Iris scanner, 2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control, Other; Right: Lock/Unlock key
Colors
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white	Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red

Display

Size
6.4-inch	5.8-inch
Resolution
2400x1080px, 20:9 ratio, 411 PPI	2960x1440px, 18.5:9 ratio, 570 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
60Hz
Screen-to-body
84.88 %	84.26 %
Features
Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P65 MT6768 (12 nm)	Qualcomm Snapdragon 835 MSM8998 (10 nm)
Processor
Octa-core 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55	Octa-core 2350 MHz Kryo 280
GPU
Mali-G52 MC2	Adreno 540
RAM
4GB (LPDDR4)	4GB (LPDDR4)
Internal storage
64GB (eMMC 5.1), available to use: 46.2 GB	64GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 256 GB
OS
Android (10), Samsung One UI	Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI

Battery

Capacity
5000 mAh	3000 mAh
Type
Li - Polymer	Li - Ion
Charging
Fast charging	Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Charge speed
Wired: 15.0W

Camera

Rear
Quad camera	Single camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	12 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4
Fourth camera
5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
Front
20 MP, Video capture: 1920x1080 (Full HD)	8 MP (Wide Angle, Autofocus, HDR), Video capture: 2560x1440 (QHD)

Connectivity & Features

Bluetooth
5.0	5.0, Yes
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 3.1
Hearing aid compatible
	M3/T3
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, Hall (for flip covers), Barometer
Other
NFC	NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
	32-Bit DAC, aptX-HD
Screen mirroring
Wireless screen share	DLNA,Wireless screen share,MHL
Additional microphone(s)
Noise cancellation	Noise cancellation, Video recording

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 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 Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes

Regulatory Approval

FCC approval
Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL	Date approved: Apr 06, 2017 FCC ID value: A3LSMG950U
Measured SAR
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	Head: 0.49 W/kg Body: 0.48 W/kg Simultaneous Transmission: 1.53 W/kg Wireless Router: 0.46 W/kg

Buyers information

MSRP
€ 300

Availability

Officially announced
Mar 24, 2020	Mar 29, 2017

Alternative variants

with 128GB storage

RAM	6GB
Internal storage	128GB

International version

System chip	Samsung Exynos 9 Octa 8895 (10 nm)
Processor	Octa-core 2300 MHz Exynos M2 "Mongoose" and ARM Cortex-A53
GPU	Mali-G71 MP20
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), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
FCC approval	Date approved: Sep 05, 2017 FCC ID value: A3LSMG950F
Measured SAR	Head: 0.38 W/kg Body: 0.75 W/kg Simultaneous Transmission: 1.55 W/kg Wireless Router: 1.09 W/kg

for T-Mobile

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a)
3G	Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
VoLTE	Yes

for Verizon Wireless

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

for U.S. Cellular

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 25(1900+)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300)
Data Speed	LTE-A, HSPA, UMTS

with Dual SIM

System chip	Samsung Exynos 9 Octa 8895 (10 nm)
Processor	Octa-core 2500 MHz Exynos M2 "Mongoose"and ARM Cortex-A53
GPU	Mali-G71 MP20
Dual SIM	Yes

Links

Full specifications
Samsung Galaxy A31 Specs	Samsung Galaxy S8 Specs
PhoneArena Review
	Samsung Galaxy S8 Review
User Reviews
	Samsung Galaxy S8 User Reviews