Select City

Samsung Galaxy M31s vs Samsung Galaxy A20S vs Samsung Galaxy M21

- Updated: 25th Aug 2020, 16:41 IST

Key Feature Comparison

Samsung Galaxy M31s

Samsung Galaxy A20s

Samsung Galaxy M21

Show differences only

At a Glance

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

Octa core, 1.8 GHz, Cortex A53

Qualcomm Snapdragon 450, Adreno 506

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

6000 mAh

Li-ion, Fast, 25W

4000 mAh

Li-ion, Fast, 15W

6000 mAh

Li-ion, Fast, 15W

6.5 inches

405 ppi, FHD

6.5 inches

264 ppi

6.4 inches

403 ppi, FHD

Quad, 64MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps

Triple, 13MP + 8MP + 5MP

1920x1080 @ 30 fps

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches

6.5 inches

6.4 inches

Screen Type

Super AMOLED

TFT

Super AMOLED

Screen Resolution

1080 x 2400 pixels

720 x 1560 pixels

1080 x 2340 pixels

Pixel Density

405 ppi

264 ppi

403 ppi

Aspect Ratio

20:09

19.5:9

19.5:9

Screen Protection

Gorilla Glass 3

-

Gorilla Glass 3

Screen to Body Ratio

91%

81.77%

91%

Screen Design

Punch hole

Regular notch

Waterdrop notch

Screen Refresh Rate

60 Hz

-

-

Screen Quality

FHD

-

FHD

Peak Brightness

420 nits

-

420 nits

Phone Variants

8GB 128GB, 6GB 128GB

4GB 64GB, 3GB 32GB

4GB 64GB, 6GB 128GB

Expandable Storage

Yes

Yes

Yes

RAM Type

LPDDR4X

-

LPDDR4X

Storage Type

UFS 2.1

eMMC 5.1

UFS 2.1

Expandable Storage Capacity

Yes, 512 GB

Yes, 512 GB

Yes, 512 GB

OTG Support

-

Yes

Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v10 (Q)

Android v9.0 (Pie)

Android v10 (Q)

GPU

Mali-G72 MP3

Adreno 506

Mali-G72 MP3

Chipset

Samsung Exynos 9 Octa 9611

Qualcomm Snapdragon 450

Samsung Exynos 9 Octa 9611

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Octa core, 1.8 GHz, Cortex A53

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Samsung One UI

Samsung One UI

Samsung One UI

Clock Speed

2.3 GHz

1.8 GHz

2.3 GHz

Architecture

64 bit

64 bit

64 bit

Process Technology

10 nm

14 nm

10 nm

Battery Capacity

6000 mAh

4000 mAh

6000 mAh

Battery Removable

No

No

No

Battery Type

Li-ion

Li-ion

Li-ion

Charger Type

Fast, 25W

Fast, 15W

Fast, 15W

USB Type-C

Yes

Yes

Yes

Fast Charging

Yes

Yes

Yes

Announced On

30-Jul-20

24-Sep-19

18-Mar-20

Market Status

Available

Available

Available

Brand

Samsung

Samsung

Samsung

Model Number

SM-M317FZBDINS

SM-A207FZGDINS

SM-M215FZKDINS

Price Status

Confirmed

Confirmed

Confirmed

Price

Rs. 18,499

Rs. 12,900

Rs. 13,499

GPS

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Audio Features

Dolby Atmos

Dolby Atmos

Dolby Atmos

NFC

No

No

No

Network Support

4G

4G

4G

Bluetooth

Yes

Yes

Yes

3.5mm Audio Jack

Yes

Yes

Yes

SIM Size

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz

Yes, Wi-Fi 802.11, b/g/n

Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz

Bluetooth Type

v5.0

v4.2

v5.0

Audio Jack

3.5 mm

3.5 mm

3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

eSIM

No

No

No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes

Yes

Yes

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 8...

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 800(band 20), 3G Bands: UMTS ...

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

Front Video Recording

3840x2160 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera Features

HDR

-

HDR

Front Camera Setup

Single, 32MP

Single, 8MP

Single, 20MP

Front Camera 1 Resolution

32 MP

8 MP

20 MP

Front Camera 1 Type

f/2.2 Primary Camera

f/2.0 Primary Camera

f/2.2 Primary Camera

Front Camera 1 Lens

26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size

-

26 mm focal length

Front Sensor

Exmor RS

-

CMOS

Front Aperture

f/2.2

f/2.0

f/2.2

Front Flash

No

No

No

Weight

203 grams

183 grams

188 grams

Colors

Mirage Black, Mirage Blue

Black, Blue, Green

Midnight Blue, Raven Black

Build

Back: Plastic

Back: Plastic

Back: Plastic

Dimensions

159.3 x 74.4 x 9.3 mm

163.3 x 77.5 x 8 mm

159 x 75.1 x 8.9 mm

SAR Value

Head: 1.38 W/kg

Head: 0.27 W/kg

Head: 0.468 W/kg

OIS

No

No

No

Rear Flash

Yes, LED Flash

Yes, LED Flash

Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps

1920x1080 @ 30 fps

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Rear Camera Features

10 x Digital Zoom, Auto Flash, Face detection, Touch to focus

4 x Digital Zoom, Auto Flash, Face detection, Touch to focus

4 x Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 64MP + 12MP + 5MP + 5MP

Triple, 13MP + 8MP + 5MP

Triple, 48MP + 8MP + 5MP

Rear Camera 1 Resolution

64 MP

13 MP

48 MP

Rear Camera 1 Type

f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera

f/1.8 (upto 4x Digital Zoom) Primary Camera

f/2.0 (upto 4x Digital Zoom) Primary Camera

Rear Camera 1 Lens

26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size

27 mm focal length

26 mm focal length, 2" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

12 MP

8 MP

8 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera

f/2.2, Wide Angle, Ultra-Wide Angle Camera

f/2.2, Wide Angle, Ultra-Wide Angle Camera

Rear Camera 3 Resolution

5 MP

5 MP

5 MP

Rear Camera 3 Type

f/2.4, Macro Camera

f/2.2, Depth Camera

f/2.2, Depth Camera

Rear Camera 4 Resolution

5 MP

-

-

Rear Camera 4 Type

f/2.4, Depth Camera

-

-

Rear Sensor

Exmor-RS CMOS Sensor

CMOS image sensor

CMOS image sensor

Rear Aperture

f/1.8

f/1.8

f/2.0

Fingerprint Scanner

Yes

Yes

Yes

Fingerprint Scanner Position

Side

Rear

Rear

Face Unlock

Yes

Yes

Yes

You May Also Read

Vivo Mobile Price List
Xiaomi Mobile Price List
New Upcoming Mobile Phones June 2023
Best Mobile Phones Under 50000
Best Mobile Phones Under 45000

Recent News

Oppo F25 Pro Launched In New Coral Purple Colour: Price, Specifications
29th Mar 2024
Poco F6 Specifications Leaks, Will Arrive With Snapdragon 8s Gen 3
28th Mar 2024
Google Pixel 9 Renders Leak, Will Skip Out On This Major Feature
28th Mar 2024
Realme 12x To Have Price Of Less Than Rs.12,000, Features Teased
28th Mar 2024
Poco C61 Goes On Sale Starting At An Attractive Price Of Rs.6,999
28th Mar 2024

Tips & Tricks

How To Find A Lost iPhone: Tips And Tricks
27th Mar 2024
How To Block SIM Card On Jio / Airtel / Vi And More!
26th Mar 2024
Connect To Wi-Fi Without Password: A Comprehensive Guide
22nd Mar 2024
Here’s How You Can Get Temporary iCloud Storage When You Move to New iPhone for Smooth Transition
20th Mar 2024
How To Prevent Spam Messages On WhatsApp?
20th Mar 2024

Popular Leaks

iQOO and POCO to Enter Offline Market in India; Here’s When
23rd Nov 2021
Here’s How You Can Claim OnePlus 3, 3T, 5, 5T, 6, 6T Free Battery Replacement Offer in India
27th Aug 2021
iPhone 16 Leak Reveals It Will Feature A Massive Design Overhaul
6th Feb 2024
Google Pixel 8 Series Pricing Leak Ahead Of Launch
25th Sep 2023
OnePlus Open Price In India Leaked Ahead Of Launch
15th Oct 2023