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Samsung Galaxy M21 2021 Edition vs Samsung Galaxy A31

Key Feature Comparison

7.1

Samsung Galaxy M21 2021 Edition

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Samsung Galaxy A31

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At a Glance

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

MediaTek Helio P65, Mali-G52

6000 mAh

Li-ion, Fast, 15W

5000 mAh

Li-ion, Fast, 15W

6.4 inches

403 ppi, FHD

6.4 inches

411 ppi, FHD

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

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

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 2340 pixels
1080 x 2400 pixels

Pixel Density

403 ppi
411 ppi

Aspect Ratio

19.5:9
20:09

Screen Protection

Gorilla Glass 3
-

Screen to Body Ratio

84.02%
84.92%

Screen Design

Regular notch
Waterdrop notch

Screen Refresh Rate

60 Hz
-

Screen Quality

FHD
FHD

Peak Brightness

420 nits
-

Phone Variants

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

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
-

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB

OTG Support

-
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v11
Android v10 (Q)

GPU

Mali-G72 MP3
Mali-G52

Chipset

Samsung Exynos 9 Octa 9611
MediaTek Helio P65

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

Custom User Interface

Samsung One UI
Samsung One UI

Clock Speed

2.3 GHz
2 GHz

Architecture

64 bit
64 bit

Process Technology

10 nm
12 nm

Battery Capacity

6000 mAh
5000 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

26-Jul-21
24-Mar-20

Market Status

Available
Available

Brand

Samsung
Samsung

Model Number

SM-M215GLBDINS
SM-A315FZB1INS/SM-A315FZBWINS

Price Status

Confirmed
Confirmed

Price

Rs. 12,499
Rs. 17,999

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

NFC

No
Yes

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

eSIM

No
No

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes
Yes

SIM 1 Bands

4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
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...

SIM 2 Bands

4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
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...

Audio Features

-
Dolby Atmos

FM Radio

-
Yes

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/2.0 Primary Camera
f/2.2 Primary Camera

Front Aperture

f/2.0
f/2.2

Front Flash

No
No

Weight

188 grams
185 grams

Colors

Arctic Blue, Charcoal Black
Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White

Build

Back: Plastic
-

Dimensions

159 x 75.1 x 8.9 mm
159.3 x 73.1 x 8.6 mm

SAR Value

-
Head: 1.13 W/kg

OIS

No
No

Rear Flash

Yes, LED Flash
Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps
1920x1080 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

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

Rear Camera 1 Resolution

48 MP
48 MP

Rear Camera 1 Type

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

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/2.2, Depth Camera
f/2.4, Macro Camera

Rear Sensor

ISOCELL Plus
-

Rear Aperture

f/2.0
f/2.0

Rear Camera 1 Lens

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

Rear Camera 4 Resolution

-
5 MP

Rear Camera 4 Type

-
f/2.4, Depth Camera

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

Rear
On-Screen

Fingerprint Scanner Type

-
Optical

Face Unlock

-
Yes

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