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Samsung Galaxy A31 vs Samsung Galaxy M21

Key Feature Comparison

7

Samsung Galaxy A31

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6.8

Samsung Galaxy M21

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At a Glance

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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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