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Samsung Galaxy A21S vs Samsung Galaxy M31

The name of the smartphones that today we are going to compare is, Samsung Galaxy A21S vs Samsung Galaxy M31. Samsung is the world’s best smartphone manufacturing company. The company makes both the most expensive and cheapest smartphones that means it makes smartphones for every class and today we will talk about the two most affordable smartphones of Samsung.

Also read: Best Mobile Phones Under Rs 15,000

Display

The screen size of the Samsung Galaxy A21S is 6.5 inches, whereas the screen size of the Samsung Galaxy M31 is 6.5 Inches. Along with this, the screen resolution of the Samsung Galaxy M31 is 1080 x 2340 pixels.

Whereas the screen resolution of the Samsung Galaxy A21S is 720 x 1600 pixels. Also, the Samsung Galaxy A21S comes with a Punch-Hole Display and contains an aspect ratio of 20:09. Whereas, the Samsung Galaxy M31 comes with a Notch display and contains an aspect ratio of 19.5:9.

Memory and storage

The Samsung Galaxy A21S comes in two storage variants. The first one contains 64GB of internal storage, 4GB RAM, and the second one contains 64GB of internal storage, 6GB RAM. Apart from this, the Samsung Galaxy M31 contains three storage variants.

The first one provides 64GB of internal storage and 6GB of RAM, the second one provides 128GB of internal storage and 6GB of RAM and the third one provides 128GB of internal storage, 8GB RAM.

Also, users can Extend the internal storage of both smartphones with the help of an SD card. Users can increase the internal storage up to 512GB. On the other hand, the RAM type of both smartphones is LPDDR4X. The Samsung Galaxy A21S contains a 5000mAh fast-charging battery. Whereas the Samsung Galaxy M31 contains a 6000 mAh battery. The batteries are non-removable.

Also read: Best Mobile Phones Under 20,000

Performance

Both smartphones come with an Octa-core CPU that runs on the Android v10 (Q) operating system. Along with this, Samsung Galaxy A21S and Samsung Galaxy M31 contain the same Architecture of 64bit. On the other hand, the GPU of the Samsung Galaxy A21S is Mali-G52 MP1, whereas, the GPU of the Samsung Galaxy M31 is

Mali-G72 MP3. Along with this, the Samsung Galaxy A21S Contains the chipset of Samsung Exynos 8 Octa 850, and Samsung Galaxy M31 contains the chipset of Samsung Exynos 9 Octa 9611. Both Samsung Galaxy A21S and Samsung Galaxy M31 provide Samsung One User Interface.

Camera

On the other hand, the Samsung Galaxy A21S and Samsung Galaxy M31 come with a quad-camera setup. The Primary Camera of the Samsung Galaxy A21S is 48MP, the second one is an 8MP ultra-wide-angle camera, the third one is a 2MP macro camera and the fourth one is a 2MP depth camera.

Along with this, the front camera of the Samsung Galaxy A21S is 13MP. Whereas The Primary Camera of the Samsung Galaxy M31 is 64MP, the second one is an 8MP ultra-wide-angle camera, the third one is a 5MP macro camera and the fourth one is a 5MP depth camera. Along with this, the front camera of the Samsung Galaxy M31 is 32MP.

Also read: Best Mobile Phones Under 10,000 According to the specifications, both smartphones are one of the best affordable smartphones of Samsung. But, if you want to buy a smartphone that provides a great processor, storage facilities, and camera quality then you can buy Samsung Galaxy M31. Samsung Galaxy M31 is reached in features at an affordable price.

- Updated: 21st Jun 2021, 17:41 IST

Key Feature Comparison

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Samsung Galaxy A21s

Samsung Galaxy M31

Show differences only

At a Glance

Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)

Samsung Exynos 8 Octa 850, Mali-G52 MP1

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

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

5000 mAh

Li-ion, Fast, 15W

6000 mAh

Li-ion, Fast, 15W

6.5 inches

270 ppi

6.4 inches

403 ppi, FHD

Quad, 48MP + 8MP + 2MP + 2MP

1920x1080 @ 30 fps

Quad, 64MP + 8MP + 5MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.5 inches

6.4 inches

Screen Type

TFT

Super AMOLED

Screen Resolution

720 x 1600 pixels

1080 x 2340 pixels

Pixel Density

270 ppi

403 ppi

Aspect Ratio

20:09

19.5:9

Screen to Body Ratio

82.75%

83.92%

Screen Design

Punch hole

Regular notch

Screen Protection

-

Gorilla Glass 3

Screen Quality

-

FHD

Phone Variants

6GB 64GB, 4GB 64GB, 6GB 128GB

6GB 64GB, 8GB 128GB, 6GB 128GB

Expandable Storage

Yes

Yes

RAM Type

LPDDR4X

LPDDR4X

Storage Type

eMMC 5.1

UFS 2.1

Expandable Storage Capacity

Yes, 512 GB

Yes, 512 GB

OTG Support

Yes

Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v10 (Q)

Android v10 (Q)

GPU

Mali-G52 MP1

Mali-G72 MP3

Chipset

Samsung Exynos 8 Octa 850

Samsung Exynos 9 Octa 9611

CPU

Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)

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

Clock Speed

2 GHz

2.3 GHz

Architecture

64 bit

64 bit

Process Technology

8 nm

10 nm

Battery Capacity

5000 mAh

6000 mAh

Battery Removable

No

No

Battery Type

Li-ion

Li-ion

Charger Type

Fast, 15W

Fast, 15W

USB Type-C

Yes

Yes

Fast Charging

Yes

Yes

Announced On

15-May-20

25-Feb-20

Market Status

Available

Available

Brand

Samsung

Samsung

Model Number

SM-A217FZB1INS/SM-A217FZBGINS/SM-A217FZB5INS

SM-M315FZKDINS

Price Status

Confirmed

Confirmed

Price

Rs. 13,999

Rs. 15,999

GPS

Yes A-GPS, Glonass

Yes A-GPS, Glonass

NFC

No

No

Network Support

4G

4G

Bluetooth

Yes

Yes

3.5mm Audio Jack

Yes

Yes

SIM Size

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, ac/b/g/n/n 5GHz

Bluetooth Type

v5.0

v5.0

Audio Jack

3.5 mm

3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No

No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

VoLTE

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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...

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 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...

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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...

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 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...

Audio Features

-

Dolby Atmos

FM Radio

-

Yes

Front Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera Setup

Single, 13MP

Single, 32MP

Front Camera 1 Resolution

13 MP

32 MP

Front Camera 1 Type

f/2.2 Primary Camera

f/2.0 Primary Camera

Front Camera 1 Lens

3.1" sensor size, 1.12 micrometre pixel size

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

Front Aperture

f/2.2

f/2.0

Front Flash

No

No

Front Camera Features

-

HDR

Front Sensor

-

Exmor RS

Weight

192 grams

191 grams

Colors

Black, Blue, White

Black, Blue

Build

Back: Plastic

Back: Plastic

Dimensions

163.7 x 75.3 x 8.9 mm

159.2 x 75.1 x 8.9 mm

SAR Value

Head: 0.831 W/kg

Head: 0.383 W/kg

OIS

No

No

Rear Flash

Yes, LED Flash

Yes, LED Flash

Rear Video Recording

1920x1080 @ 30 fps

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps

Rear Camera Features

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

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

Rear Camera Setup

Quad, 48MP + 8MP + 2MP + 2MP

Quad, 64MP + 8MP + 5MP + 5MP

Rear Camera 1 Resolution

48 MP

64 MP

Rear Camera 1 Type

f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera

f/1.8 (upto 8x Digital Zoom) Primary Camera

Rear Camera 1 Lens

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

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

Rear Camera 2 Resolution

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

Rear Camera 2 Lens

4.0" sensor size, 1.12 micrometre pixel size

12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size

Rear Camera 3 Resolution

2 MP

5 MP

Rear Camera 3 Type

f/2.4, Macro Camera

f/2.4, Macro Camera

Rear Camera 4 Resolution

2 MP

5 MP

Rear Camera 4 Type

f/2.4, Depth Camera

f/2.2, Depth Camera

Rear Aperture

f/2.0

f/1.8

Rear Camera 3 Lens

-

25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size

Rear Sensor

-

ISOCELL Plus

Fingerprint Scanner

Yes

Yes

Fingerprint Scanner Position

Rear

Rear

Face Unlock

Yes

Yes

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