Samsung Galaxy S8 vs Samsung Galaxy A31
Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone comparison tool or pick a popular device from the ones below.
Display
Size
Resolution
Technology
Super AMOLED
Super AMOLED
Screen-to-body
84.26 %
84.88 %
Features
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware & Performance
System chip
Qualcomm Snapdragon 835 MSM8998
MediaTek Helio P65 MT6768
Processor
GPU
Adreno 540
Mali-G52 MC2
RAM
Internal storage
64GB
64GB
Storage expansion
microSDXC up to 256 GB
microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (10), Samsung One UI
Battery
Capacity
3000 mAh
5000 mAh
Type
Li - Ion, Not user replaceable
Not user replaceable
Charging
Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Fast charging
Camera
Rear
Single camera
Quad camera
Main camera
Specifications
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F2.0; Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide)
Specifications
Aperture size: F2.2
Third camera
5 MP (Macro)
Specifications
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Specifications
Aperture size: F2.4
Video recording
3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD)
Features
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
Front
8 MP (Wide Angle, Autofocus, HDR)
20 MP
Design
Dimensions
Weight
the average is 6.4 oz (184 g)
the average is 6.4 oz (184 g)
Materials
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic
Resistance
Water, Dust; IP 68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)
In-screen fingerprint
Colors
Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white
Cellular
LTE (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), 29(700 d), 30(2300 WCS), 66(AWS-3)
LTE (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
UMTS
850, 900, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
Multimedia
Headphones
3.5mm jack
Features
32-Bit DAC, aptX-HD
Connectivity & Features
Bluetooth
5.0, EDR
Yes
Wi-Fi
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.1
Type-C (reversible)
Features
Charging, Video out, Mass storage device
Charging
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
