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Samsung Galaxy A31 vs Samsung Galaxy M21

- Updated: 20th Jun 2020, 12:11 IST

Key Feature Comparison

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Samsung Galaxy A31

Samsung Galaxy M21

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At a Glance

Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

MediaTek Helio P65, Mali-G52

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

6.4 inches

411 ppi, FHD

6.4 inches

403 ppi, FHD

Quad, 48MP + 8MP + 5MP + 5MP

1920x1080 @ 30 fps

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.4 inches

6.4 inches

Screen Type

Super AMOLED

Super AMOLED

Screen Resolution

1080 x 2400 pixels

1080 x 2340 pixels

Pixel Density

411 ppi

403 ppi

Aspect Ratio

20:09

19.5:9

Screen to Body Ratio

84.92%

91%

Screen Design

Waterdrop notch

Waterdrop notch

Screen Quality

FHD

FHD

Screen Protection

-

Gorilla Glass 3

Peak Brightness

-

420 nits

Phone Variants

6GB 128GB

4GB 64GB, 6GB 128GB

Expandable Storage

Yes

Yes

RAM Type

LPDDR4X

LPDDR4X

Expandable Storage Capacity

Yes, 512 GB

Yes, 512 GB

OTG Support

Yes

Yes

Storage Type

-

UFS 2.1

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v10 (Q)

Android v10 (Q)

GPU

Mali-G52

Mali-G72 MP3

Chipset

MediaTek Helio P65

Samsung Exynos 9 Octa 9611

CPU

Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa 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

12 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

24-Mar-20

18-Mar-20

Market Status

Available

Available

Brand

Samsung

Samsung

Model Number

SM-A315FZB1INS/SM-A315FZBWINS

SM-M215FZKDINS

Price Status

Confirmed

Confirmed

Price

Rs. 17,999

Rs. 13,499

GPS

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Audio Features

Dolby Atmos

Dolby Atmos

NFC

Yes

No

Network Support

4G

4G

Bluetooth

Yes

Yes

FM Radio

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

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) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20), 3G Bands: UMTS 19...

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 13) / 700(band 17) / 800(band 20), 3G Bands: UMTS 19...

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

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera Setup

Single, 20MP

Single, 20MP

Front Camera 1 Resolution

20 MP

20 MP

Front Camera 1 Type

f/2.2 Primary Camera

f/2.2 Primary Camera

Front Aperture

f/2.2

f/2.2

Front Flash

No

No

Front Camera Features

-

HDR

Front Camera 1 Lens

-

26 mm focal length

Front Sensor

-

CMOS

Weight

185 grams

188 grams

Colors

Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White

Midnight Blue, Raven Black

Dimensions

159.3 x 73.1 x 8.6 mm

159 x 75.1 x 8.9 mm

SAR Value

Head: 1.13 W/kg

Head: 0.468 W/kg

Build

-

Back: Plastic

OIS

No

No

Rear Flash

Yes, LED Flash

Yes, LED Flash

Rear Video Recording

1920x1080 @ 30 fps

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Rear Camera Features

8 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, 48MP + 8MP + 5MP + 5MP

Triple, 48MP + 8MP + 5MP

Rear Camera 1 Resolution

48 MP

48 MP

Rear Camera 1 Type

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

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

Rear Camera 1 Lens

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

26 mm focal length, 2" 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 3 Resolution

5 MP

5 MP

Rear Camera 3 Type

f/2.4, Macro Camera

f/2.2, Depth Camera

Rear Camera 4 Resolution

5 MP

-

Rear Camera 4 Type

f/2.4, Depth Camera

-

Rear Aperture

f/2.0

f/2.0

Rear Camera 2 Lens

-

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

Rear Sensor

-

CMOS image sensor

Fingerprint Scanner

Yes

Yes

Fingerprint Scanner Position

On-Screen

Rear

Fingerprint Scanner Type

Optical

-

Face Unlock

Yes

Yes

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