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Samsung Galaxy M31 Prime vs Samsung Galaxy M21

Key Feature Comparison

6.9

Samsung Galaxy M31 Prime Edition

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6.8

Samsung Galaxy M21

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

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

6000 mAh

Li-ion, Fast, 15W

6000 mAh

Li-ion, Fast, 15W

6.4 inches

403 ppi, FHD

6.4 inches

403 ppi, FHD

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

3840x2160 @ 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 2340 pixels
1080 x 2340 pixels

Pixel Density

403 ppi
403 ppi

Aspect Ratio

19.5:9
19.5:9

Screen Protection

Gorilla Glass 3
Gorilla Glass 3

Screen to Body Ratio

83.92%
91%

Screen Design

Waterdrop notch
Waterdrop notch

Screen Quality

FHD
FHD

Peak Brightness

420 nits
420 nits

Phone Variants

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

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
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 v10 (Q)
Android v10 (Q)

GPU

Mali-G72 MP3
Mali-G72 MP3

Chipset

Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9611

CPU

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

2.3 GHz
2.3 GHz

Architecture

64 bit
64 bit

Process Technology

10 nm
10 nm

Battery Capacity

6000 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

14-Oct-20
18-Mar-20

Market Status

Available
Available

Brand

Samsung
Samsung

Model Number

SM-M315FLBGINU/SM-M315FLBGINS/SM-M315F/DS
SM-M215FZKDINS

Price Status

Confirmed
Confirmed

Price

Rs. 16,499
Rs. 13,499

GPS

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

Audio Features

Dolby Atmos
Dolby Atmos

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

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

Front Camera Features

HDR
HDR

Front Camera Setup

Single, 32MP
Single, 20MP

Front Camera 1 Resolution

32 MP
20 MP

Front Camera 1 Type

f/2.0, Wide Angle Primary Camera
f/2.2 Primary Camera

Front Camera 1 Lens

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

Front Sensor

Exmor RS
CMOS

Front Aperture

f/2.0
f/2.2

Front Flash

No
No

Weight

191 grams
188 grams

Colors

Space Black, Ocean Blue, Iceberg Blue
Midnight Blue, Raven Black

Build

Back: Plastic
Back: Plastic

Dimensions

159.2 x 75.1 x 8.9 mm
159 x 75.1 x 8.9 mm

SAR Value

Head: 0.383 W/kg
Head: 0.468 W/kg

OIS

No
No

Rear Flash

Yes, LED Flash
Yes, LED Flash

Rear Video Recording

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

Rear Camera Features

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

Rear Camera Setup

Quad, 64MP + 8MP + 5MP + 5MP
Triple, 48MP + 8MP + 5MP

Rear Camera 1 Resolution

64 MP
48 MP

Rear Camera 1 Type

f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/2.0 (upto 4x Digital Zoom) Primary Camera

Rear Camera 1 Lens

26 mm focal length, 1.7" 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 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

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/2.2, Depth Camera
-

Rear Sensor

ISOCELL Plus
CMOS image sensor

Rear Aperture

f/1.8
f/2.0

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

Rear
Rear

Face Unlock

-
Yes

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