Samsung Galaxy Note9 vs Samsung Galaxy M31 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.4 inches

Resolution:

2960 x 1440 pixels, 18.5:9 ratio, 516 PPI

2340 x 1080 pixels, 19.5:9 ratio, 403 PPI

Technology:

Super AMOLED

Screen-to-body:

83.51 %

83.97 %

Peak brightness:

420 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 845 SDM845 (10 nm)

Exynos 9611 (10 nm)

Processor:

Octa-core, 2800 MHz, Kryo 385, 64-bit

Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit

GPU:

Adreno 630

Mali-G72 MP3

RAM:

6GB LPDDR4

Internal storage:

128GB

64GB (UFS 2.1), available to use: 49 GB

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (10, 9.0 Pie, 8.1 Oreo), Samsung One UI

Android (11, 10), Samsung One UI

Battery

Capacity:

4000 mAh

6000 mAh

Type:

Li - Ion, Not user replaceable

Li - Polymer, Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Dual camera

Quad camera

Main camera:

12 MP (OIS, PDAF)

64 MP (PDAF)

Specifications:

F1.5/F2.4; 26 mm; 1/2.55"; 1.4 μm

F1.8; 26 mm; 1/1.7"; 0.8 μm

Second camera:

12 MP (Telephoto, OIS, Autofocus)

8 MP (Ultra-wide)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.4"; Pixel size: 1 μm

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.2; Focal Length: 25 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2

Flash:

LED

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)

Features:

Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, EIS

Hyperlapse, EIS

Front:

8 MP (Wide Angle, Autofocus)

32 MP (HDR, Slow-motion videos)

Video capture:

2560x1440 (QHD) (30 fps)

1920x1080 (Full HD)

Design

Dimensions:

6.37 x 3.01 x 0.35 inches (161.9 x 76.4 x 8.8 mm)

6.27 x 2.96 x 0.35 inches (159.2 x 75.1 x 8.9 mm)

Weight:

7.09 oz (201.0 g)

6.74 oz (191.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Back: Plastic; Frame: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

Iris scanner, 2D Face unlock, Fingerprint (touch)

2D Face unlock, Fingerprint (touch)

Features:

Notification light, Stylus

Keys:

Left: Volume control, Lock/Unlock key; Right: Other

Right: Volume control, Lock/Unlock key

Colors:

Midnight black, Ocean blue, Cloud silver, Lavender purple

Blue, Black, Red

Cellular

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 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), 71(600)

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), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

4G (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46

Bands 38(2600), 40(2300), 41(2600+)

3G:

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Multiple speakers

Earpiece, Loudspeaker

Features:

32-Bit DAC, Dolby Atmos

Dolby Atmos

Screen mirroring:

Wireless screen share

Radio:

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

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), USB 2.0

Features:

Charging, OTG, Video out

Charging

Location:

GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Accelerometer, Gyroscope, Compass

Other:

NFC, ANT+

NFC

Hearing aid compatible:

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Jul 03, 2018

Feb 07, 2020

FCC ID value:

A3LSMN960U

A3LSMM315F

Measured SAR:

Head:

0.27 W/kg

0.42 W/kg

Body:

0.76 W/kg

0.41 W/kg

Simultaneous Transmission:

1.59 W/kg

1.54 W/kg

Wireless Router:

1.35 W/kg

0.74 W/kg

Phablet:

3.90 W/kg

Buyers information

Price:

$ 1000

€ 240

User Manual:

This is the official Samsung Galaxy M31 User Guide in English provided from the manufacturer.

In The Box:

S Pen, USB Cable, Earphones, SIM removal tool, USB power adaptor, USB connector, Pen, nibs, Tweezer, Clear cover case, Quick start guide, USB connector leaflet.

15W fast charger, Data cable, Ejection pin, User Manual