Samsung Galaxy M31 Specifications

Key Specs General Performance Display Design Rear Camera Front Camera Battery Storage Network & Connectivity Multimedia Sensors

Key Specs
RAM & Storage 6 GB RAM + 64 GB
6 GB RAM + 128 GB
8 GB RAM + 128 GB
Processor Samsung Exynos 9 Octa 9611
Rear Camera 64 MP + 8 MP + 5 MP + 5 MP
Front Camera 32 MP
Battery 6000 mAh
Display 6.4 inches (16.26 cm)

General
Launch Date March 4, 2020 (Official)
Operating System Android v10 (Q)
Custom UI Samsung One UI

Performance

(Good)
Chipset Samsung Exynos 9 Octa 9611
Processor Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Architecture 64 bit
Fabrication 10 nm
Graphics (GPU) Mali-G72 MP3
RAM 6 GB / 8 GB
RAM Type LPDDR4X
Benchmark Screenshots
Benchmarks
AnTuTu Benchmark
Benchmarks
Graphics Benchmark
Benchmarks
GeekBench5 Benchmark
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Display

(Excellent)
Display Type Super AMOLED
Screen Size 6.4 inches (16.26 cm)
Resolution 1080x2340 px (FHD+)
Refresh Rate 60 Hz
Aspect Ratio 19.5:9
Pixel Density 403 ppi
Screen to Body Ratio (calculated) 83.92 %
Screen Protection Corning Gorilla Glass v3
Bezel-less Display Yes with notch
UI Screenshots
UI Screenshot
Lock Screen
UI Screenshot
Home Screen
UI Screenshot
Screen With Widgets
UI Screenshot
Dialer Screen
UI Screenshot
App Drawer
UI Screenshot
Notification Panel
UI Screenshot
Quick Settings Panel
UI Screenshot
Settings Screen
UI Screenshot
OS Version
UI Screenshot
Storage
UI Screenshot
Battery
UI Screenshot
Camera On
UI Screenshot
Camera Options
UI Screenshot
Camera Modes
UI Screenshot
Camera Settings
UI Screenshot
Picture Size Options
UI Screenshot
Video Size Options

Design
Height 159.2 mm
Width 75.1 mm
Thickness 8.9 mm
Weight 191 grams
Build Material Back: Plastic
Click to View Click to View

Rear Camera

(Very Good)
Resolution
CameraMPLens FeaturesApertureSensor SizeSensor NamePixel SizeZoomFocal Length
Primary64 MPf/1.81/1.7" Samsung S5KGW10.8µmupto 8x Digital Zoom26 mm
Secondary8 MPUltra-Wide Anglef/2.21/4.0" 1.12µm12 mm
Tertiary5 MPMacrof/2.41/5.0" 1.12µm25 mm
Quaternary5 MPDepthf/2.2
Autofocus Yes, Phase Detection Autofocus
OIS No
Flash Yes, LED Flash
Image Resolution 9000 x 7000 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features 8 x Digital Zoom
Auto Flash
Face detection
Touch to focus
Video Recording 4k @30 fps
Full HD @30 fps
HD @240 fps
Rear Camera Samples
Rear Camera
Portrait Shot
Rear Camera
Night Mode OFF
Rear Camera
Close Up
Rear Camera
Low Light
Rear Camera
Low Light With Flash
Rear Camera
Colour Variance
Rear Camera
Daylight Auto / HDR OFF
Rear Camera
Daylight / HDR ON
Rear Camera
AI OFF
Rear Camera
AI ON

Samsung Galaxy M31 Compare Camera Samples

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Samsung Galaxy M31s 64 MP
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Front Camera

(Very Good)
Resolution
CameraMPApertureSensor SizeSensor NamePixel SizeFocal Length
Primary32 MPf/2.01/2.8"Sony Exmor RS IMX6160.8µm26 mm
Autofocus No
Flash No
Video Recording Full HD @30 fps
Front Camera Samples
Front Camera
Selfie
Front Camera
Selfie Portrait
Front Camera
Selfie Low Light
Front Camera
Selfie Low Light With Flash

Battery

(Very Good)
Capacity 6000 mAh
Battery Type Li-ion
TalkTime Up to 48 Hours(4G)
Quick Charging Yes, 15W Fast Charging

Storage
Internal Storage 64 GB / 128 GB
Storage Type UFS 2.1
Expandable Storage Yes, Up to 512 GB

Network & Connectivity
SIM Slot(s) Dual SIM
SIM Type SIM1: Nano, SIM2: Nano
Network Support 5G Not Supported, 4G
VoLTE Yes
SIM 1 4G bands
Expand
Bands Features
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26)
SIM 2 4G bands
Expand
Bands Features
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26)
SAR Value Head: 0.383 W/kg
Wi-Fi Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Wi-Fi Features Wi-Fi Direct, Mobile Hotspot
Bluetooth Yes, v5.0
GPS Yes with A-GPS, Glonass
NFC No

Multimedia
Audio Jack 3.5 mm

Sensors
Fingerprint Sensor Yes
Fingerprint Sensor Position Rear
Other Sensors Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Mobiles› Samsung Galaxy M31› Samsung Galaxy M31 Specifications
Updated on: June 4, 2026