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Samsung Galaxy A21 vs Samsung Galaxy M31

Key Feature Comparison

6.3

Samsung Galaxy A21

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6.9

Samsung Galaxy M31

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At a Glance

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Octa core, 2.3 GHz, Cortex A53

MediaTek Helio P35, PowerVR GE8320

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

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

4000 mAh

Li-ion, Fast, 15W

6000 mAh

Li-ion, Fast, 15W

6.5 inches

270 ppi

6.4 inches

403 ppi, FHD

Quad, 16MP + 8MP + 2MP + 2MP

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

Super AMOLED
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

79.26%
83.92%

Screen Design

Punch hole
Regular notch

Screen Protection

-
Gorilla Glass 3

Screen Quality

-
FHD

Phone Variants

3GB 32GB
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

Sensors

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

Operating System

Android v10 (Q)
Android v10 (Q)

GPU

PowerVR GE8320
Mali-G72 MP3

Chipset

MediaTek Helio P35
Samsung Exynos 9 Octa 9611

CPU

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

Clock Speed

2.3 GHz
2.3 GHz

Architecture

64 bit
64 bit

Process Technology

12 nm
10 nm

Custom User Interface

-
Samsung One UI

Battery Capacity

4000 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

8-Apr-20
25-Feb-20

Market Status

Launched Globally
Available

Brand

Samsung
Samsung

Price Status

Expected
Confirmed

Price

Rs. 18,900
Rs. 15,999

Model Number

-
SM-M315FZKDINS

GPS

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

NFC

Yes
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, b/g/n
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

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) / 850(band 26), 3G...

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) / 850(band 26), 3G...

Audio Features

-
Dolby Atmos

FM Radio

-
Yes

Front Video Recording

1080p at 30fps
1920x1080 @ 30 fps

Front Camera Setup

Single, 13MP
Single, 32MP

Front Camera 1 Resolution

13 MP
32 MP

Front Camera 1 Type

Primary Camera
f/2.0 Primary Camera

Front Camera Features

-
HDR

Front Camera 1 Lens

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

Front Sensor

-
Exmor RS

Front Aperture

-
f/2.0

Front Flash

-
No

Weight

193 grams
191 grams

Colors

Black
Black, Blue

Build

Back: Plastic
Back: Plastic

Dimensions

167.8 x 76.7 x 8.1 mm
159.2 x 75.1 x 8.9 mm

SAR Value

-
Head: 0.383 W/kg

Rear Flash

Yes, LED Flash
Yes, LED Flash

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

Quad, 16MP + 8MP + 2MP + 2MP
Quad, 64MP + 8MP + 5MP + 5MP

Rear Camera 1 Resolution

16 MP
64 MP

Rear Camera 1 Type

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

Rear Camera 2 Resolution

8 MP
8 MP

Rear Camera 2 Type

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

Rear Camera 3 Resolution

2 MP
5 MP

Rear Camera 3 Type

Macro Camera
f/2.4, Macro Camera

Rear Camera 4 Resolution

2 MP
5 MP

Rear Camera 4 Type

Depth Camera
f/2.2, Depth Camera

OIS

-
No

Rear Video Recording

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

Rear Camera 1 Lens

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

Rear Camera 2 Lens

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

Rear Camera 3 Lens

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

Rear Sensor

-
ISOCELL Plus

Rear Aperture

-
f/1.8

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

Rear
Rear

Face Unlock

Yes
Yes

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