Notification Center

This is our new notification center. Inside, you will find updates on the most important things happening right now.

Notifications

Hmm, push notifications seem to be disabled in your browser. You can enable them from the 'Settings' icon in the URL bar of your browser.

www.phonearena.com

Samsung Galaxy M12 vs Samsung Galaxy M31 vs Samsung Galaxy A32

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

Comparison mode:

Display

Size:

6.5 inches
6.4 inches
6.5 inches

Resolution:

1600 x 720 pixels, 20:9 ratio, 270 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

PLS
Super AMOLED
TFT

Refresh rate:

90Hz
60Hz

Screen-to-body:

81.86 %
83.97 %
81.58 %

Peak brightness:

420 cd/m2 (nit)

Features:

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

Hardware

System chip:

Samsung Exynos 850 S5E3830 (8 nm)
Exynos 9611 (10 nm)
MediaTek Dimensity 720 MT6853 (7 nm)

Processor:

Octa-core, 2000 MHz, Cortex-A55, 64-bit
Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit
Octa-core, 2000 MHz, Cortex-A76 and Cortex-A55, 64-bit

GPU:

Mali-G52 MP1
Mali-G72 MP3
Mali-G57 MC3

RAM:

4GB LPDDR4
6GB LPDDR4
4GB LPDDR4

Internal storage:

64GB (eMMC 5.1), available to use: 19.5 GB
64GB (UFS 2.1), available to use: 49 GB
64GB (UFS 2.2)

Storage expansion:

microSDXC up to 1024 GB
microSDXC up to 512 GB
microSDXC up to 1024 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10)
Android (11, 10), Samsung One UI
Android

Battery

Capacity:

6000 mAh
6000 mAh
5000 mAh

Type:

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Fast charging
Fast charging

Max charge speed:

Wired: 15.0W
Wired: 15.0W
Wired: 15.0W

Camera

Rear:

Quad camera
Quad camera
Quad camera

Main camera:

48 MP (Autofocus)
64 MP (PDAF)
48 MP (Autofocus, PDAF)

Specifications:

Aperture size: F2.0
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F1.8

Second camera:

5 MP (Ultra-wide)
8 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

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

Third camera:

2 MP (Macro)
5 MP (Macro)
2 MP (Macro)

Specifications:

Aperture size: F2.4
Aperture size: F2.2; Focal Length: 25 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.4

Fourth camera:

2 MP (Depth information)
5 MP (Depth information)
2 MP (Depth information)

Specifications:

Aperture size: F2.4
Aperture size: F2.2
Aperture size: F2.4

Video recording:

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

Features:

Hyperlapse, EIS

Front:

8 MP (HDR)
32 MP (HDR, Slow-motion videos)
13 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.46 x 2.99 x 0.38 inches (164.0 x 75.9 x 9.7 mm)
6.27 x 2.96 x 0.35 inches (159.2 x 75.1 x 8.9 mm)
6.46 x 3.00 x 0.36 inches (164.2 x 76.1 x 9.1 mm)

Weight:

7.80 oz (221.0 g)
6.74 oz (191.0 g)
7.23 oz (205.0 g)

Materials:

Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Metal

Biometrics:

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

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, white, blue
Blue, Black, Red
Awesome black, Awesome white, Awesome blue, Awesome violet

Cellular

5G:

n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n78, n79

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
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)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD):

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

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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 Cat 7 (300/100 Mbit/s), LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD
Yes
Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Dolby Atmos
Dolby Atmos, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share, MirrorLink
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0

Features:

Charging, Mass storage device
Charging
Charging

Location:

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

Sensors:

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

Other:

NFC
NFC

Regulatory Approval

FCC approval:

Date approved:

Mar 22, 2021
Feb 07, 2020
Mar 08, 2021

FCC ID value:

A3LSMM127G
A3LSMM315F
A3LSMA326U

Measured SAR:

Head:

1.15 W/kg
0.42 W/kg
0.57 W/kg

Body:

1.20 W/kg
0.41 W/kg
1.17 W/kg

Simultaneous Transmission:

1.51 W/kg
1.54 W/kg
1.59 W/kg

Wireless Router:

1.25 W/kg
0.74 W/kg
1.02 W/kg

Buyers information

Price:

€ 240
€ 280

User Manual:

This is the official Samsu​ng Galaxy M31 User Guide in English provided from the manufacturer.

In The Box:

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

Availability

Officially announced:

Mar 11, 2021
Feb 25, 2020
Jan 13, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless