Samsung Galaxy M20 vs Samsung Galaxy A31

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Display

Size

6.3 inches
6.4 inches

Resolution

2340 x 1080 pixels, 19.5:9 ratio,
409 PPI
2400 x 1080 pixels, 20:9 ratio,
411 PPI

Technology

IPS LCD
Super AMOLED

Screen-to-body

83.67 %
84.88 %

Features

Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip

Samsung Exynos 7 Octa 7904
MediaTek Helio P65 MT6768

Processor

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm

GPU

Mali-G71 MP2
Mali-G52 MC2

RAM

4GB LPDDR4
4GB LPDDR4

Internal storage

64GB, available to use: 50.5 GB
64GB (eMMC 5.1), available to use: 46.2 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

OS

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

Battery

Capacity

5000 mAh
5000 mAh

Type

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

Charging

Samsung Adaptive Fast Charging
Fast charging

Max charge speed

 
Wired: 15.0W

Camera

Rear

Dual camera
Quad camera

Main camera

13 MP (PDAF)
48 MP (PDAF)

Specifications

Aperture size: F1.9; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

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

Specifications

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

Third camera

 
5 MP (Macro)

Specifications

 
Aperture size: F2.4

Fourth camera

 
5 MP (Depth information)

Specifications

 
Aperture size: F2.4

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Front

8 MP (HDR)
20 MP

Design

Dimensions

6.16 x 2.93 x 0.35 inches (156.4 x 74.5 x 8.8 mm)
6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)

Weight

6.56 oz (186.0 g)
the average is 6.2 oz (176 g)
6.53 oz (185.0 g)
the average is 6.2 oz (176 g)

Materials

Back: Plastic; Frame: Plastic
Back: Plastic

Biometrics

2D Face unlock, Fingerprint (touch)
In-screen fingerprint

Colors

Ocean blue, Charcoal black
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Cellular

LTE (FDD)

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD)

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

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data Speed

LTE-A Cat 12/13 (600/150 Mbit/s), 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

Yes
Yes

SIM type

Nano SIM
Nano SIM

VoLTE

Yes
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Dolby Atmos, Album art cover, Background playback
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM, RDS, Recording option
 

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

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

USB

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

Features

Charging
Charging, OTG

Location

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

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other

NFC
NFC

Regulatory Approval

FCC approval

 
 

Date approved

Jan 20, 2019
 

FCC ID value: A3LSMM205FN link
 

Measured SAR

 
 

Head

0.18 W/kg
 

Body

0.54 W/kg
 

Simultaneous Transmission

1.29 W/kg
 

Wireless Router

1.13 W/kg
 

Buyers information

Price

 
€ 300
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