Samsung Galaxy M31
Device specification profile

Samsung Galaxy M31

Complete hardware specifications, launch details and a structured technical breakdown from the TechMyte device database.

Released 2020, March 05
191g, 8.9mm thickness
Android 10, up to Android 12, One UI 4.1
64GB/128GB storage, microSDXC
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Sources and limitations

Specification source: GSMArena device record.

Listed specifications are reference information, not results of TechMyte testing. Rumored details may change, and hardware or supported features can differ by region. Confirm the exact model with its manufacturer before buying.

Battery capacity does not establish tested endurance; megapixel count does not establish camera quality. Use the comparison tool to identify differences, then check the features that matter to your use.

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Technical data sheet

Full Specifications

Network

TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
SpeedHSPA, LTE

Launch

Announced2020, February 25
StatusAvailable. Released 2020, March 05

Body

Dimensions159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
Weight191 g (6.74 oz)
SIMDual SIM (Nano-SIM, dual stand-by)
BuildGlass front (Gorilla Glass 3), plastic back, plastic frame

Battery

TypeSuper AMOLED, 420 nits (peak)
Charging15W wired

Display

Size6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
ProtectionCorning Gorilla Glass 3

Platform

OSAndroid 10, upgradable to Android 12, One UI 4.1
ChipsetExynos 9611 (10 nm)
CPUOcta-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPUMali-G72 MP3

Memory

Card slotmicroSDXC (dedicated slot)
Internal64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM

Selfie camera

Single32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video4K@30fps, 1080p@30fps, gyro-EIS

Sound

Loudspeaker Yes
3.5mm jack Yes

Comms

WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth5.0, A2DP, LE
PositioningGPS, GLONASS, GALILEO, BDS
NFCYes (market/region dependent)
RadioFM radio, RDS, recording
USBUSB Type-C 2.0

Features

SensorsFingerprint (rear-mounted), accelerometer, gyro, compass

Misc

ColorsOcean Blue, Space Black, Red
PriceAbout 310 EUR
ModelsSM-M315F, SM-M315F/DS, SM-M315F/DSN
SAR EU0.48 W/kg (head)     1.13 W/kg (body)    
SAR0.52 W/kg (head)     0.69 W/kg (body)    

Main Camera

FeaturesLED flash, panorama, HDR
Triple64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 5 MP, f/2.2, (depth)