Samsung Galaxy M31 Prime

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Full Specifications September 4, 2026

Samsung · 2020

Samsung Galaxy M31 Prime

Name: Samsung Galaxy M31 Prime
Brand: Samsung

Samsung Galaxy M31 Prime Android smartphone. Announced Oct 2020. Features 6.4″ display, Exynos 9611 chipset, 6000 mAh battery, 128 GB storage, 6 GB RAM, Corning Gorilla Glass 3.

Display 6.4"

Chipset Exynos 9611

RAM 6 GB

Storage 64GB/128GB storage, microSDXC

Camera 64 MP

Battery 6000 mAh

OS Android 10, One UI 2.0

Build 191g, 8.9mm thickness

Launch

Announced 2020, October 14. Released 2020, October 17

Status Discontinued

Platform

OS Android 10, One UI 2.0

Chipset Exynos 9611 (10 nm)

CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)

GPU Mali-G72 MP3

Display

Type Super AMOLED, 420 nits (peak)

Size 6.4 inches, 100.5 cm 2 (~84.1% screen-to-body ratio)

Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)

Protection Corning Gorilla Glass 3

Memory

Card slot microSDXC (dedicated slot)

Internal 64GB 6GB RAM, 128GB 6GB RAM

memoryother UFS 2.1

Main Camera

Quad 64 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 (macro) Auxiliary lens

Features LED flash, panorama, HDR

Video 4K@30fps, 1080p@30fps, gyro-EIS

Selfie camera

Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm

Features HDR

Video 4K@30fps, 1080p@30fps

Body

Dimensions 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)

Weight 191 g (6.74 oz)

Build Glass front (Gorilla Glass 3), plastic back, plastic frame

SIM Nano-SIM + Nano-SIM

Battery

Type Li-Po 6000 mAh

Charging 15W wired

Sound

Loudspeaker Yes

3.5mm jack Yes

Comms

WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth 5.0, A2DP, LE

Positioning GPS, GLONASS, GALILEO, BDS

NFC No

Radio FM radio, RDS, recording

USB USB Type-C 2.0

Network

Technology GSM / HSPA / LTE

2G bands GSM 850 / 900 / 1800 / 1900

3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100

4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66

Speed HSPA, LTE

Features

Sensors Fingerprint (rear-mounted), accelerometer, gyro, compass

featuresother Virtual proximity sensing

Misc

Colors Ocean Blue, Space Black, Iceberg Blue

Models SM-M315F/DS

SAR 0.38 W/kg (head)

In depth

Full specifications

Announced	2020, October 14. Released 2020, October 17
Status	Discontinued

OS	Android 10, One UI 2.0
Chipset	Exynos 9611 (10 nm)
CPU	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU	Mali-G72 MP3

Type	Super AMOLED, 420 nits (peak)
Size	6.4 inches, 100.5 cm 2 (~84.1% screen-to-body ratio)
Resolution	1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection	Corning Gorilla Glass 3

Card slot	microSDXC (dedicated slot)
Internal	64GB 6GB RAM, 128GB 6GB RAM
memoryother	UFS 2.1

Quad	64 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 (macro) Auxiliary lens
Features	LED flash, panorama, HDR
Video	4K@30fps, 1080p@30fps, gyro-EIS

Single	32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Features	HDR
Video	4K@30fps, 1080p@30fps

Dimensions	159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
Weight	191 g (6.74 oz)
Build	Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM	Nano-SIM + Nano-SIM

Type	Li-Po 6000 mAh
Charging	15W wired

Loudspeaker	Yes
3.5mm jack	Yes

WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth	5.0, A2DP, LE
Positioning	GPS, GLONASS, GALILEO, BDS
NFC	No
Radio	FM radio, RDS, recording
USB	USB Type-C 2.0

Technology	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
Speed	HSPA, LTE

Sensors	Fingerprint (rear-mounted), accelerometer, gyro, compass
featuresother	Virtual proximity sensing

Colors	Ocean Blue, Space Black, Iceberg Blue
Models	SM-M315F/DS
SAR	0.38 W/kg (head)
Price	About 190 EUR

PhoneInsight Benchmark

50.5/100

Mid-range

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 40.4

Display 69

Camera 75.9

Battery 77

0.1%Popularity rank

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Samsung Galaxy M31 Prime

Launch

Platform

Display

Memory

Main Camera

Selfie camera

Body

Battery

Sound

Comms

Network

Features

Misc

Full specifications

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