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Samsung Galaxy M21 vs Samsung Galaxy S8 Plus vs Samsung Galaxy S8

- Updated: 9th Jul 2020, 12:37 IST

Key Feature Comparison

Samsung Galaxy M21

Samsung Galaxy S8 Plus

Samsung Galaxy S8

Show differences only

At a Glance

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, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 8895, Mali-G71 MP20

Octa core (2.3 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 8895, Mali-G71 MP20

6000 mAh

Li-ion, Fast, 15W

3500 mAh

Li-ion, Fast, 15W

3000 mAh

Li-ion, Fast

6.4 inches

403 ppi, FHD

6.2 inches

531 ppi, 2K

5.8 inches

568 ppi, 2K

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Single, 12MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

Single, 12MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.4 inches

6.2 inches

5.8 inches

Screen Type

Super AMOLED

Super AMOLED

Super AMOLED

Screen Resolution

1080 x 2340 pixels

1440 x 2960 pixels

1440 x 2960 pixels

Pixel Density

403 ppi

531 ppi

568 ppi

Aspect Ratio

19.5:9

18.5:9

18.5:9

Screen Protection

Gorilla Glass 3

Gorilla Glass 5

Gorilla Glass 5

Screen to Body Ratio

91%

83.70%

84.57%

Screen Design

Waterdrop notch

Bezel-less

Bezel-less

Screen Quality

FHD

2K

2K

Peak Brightness

420 nits

-

-

Phone Variants

4GB 64GB, 6GB 128GB

4GB 64GB, 6GB 128GB

4GB 64GB

Expandable Storage

Yes

Yes

Yes

RAM Type

LPDDR4X

LPDDR4

LPDDR4

Storage Type

UFS 2.1

UFS 2.0

-

Expandable Storage Capacity

Yes, 512 GB

Yes, 256 GB

Yes, 256 GB

OTG Support

Yes

Yes

Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

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

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

Operating System

Android v10 (Q)

Android v7.0 (Nougat)

Android v7.0 (Nougat)

GPU

Mali-G72 MP3

Mali-G71 MP20

Mali-G71 MP20

Chipset

Samsung Exynos 9 Octa 9611

Samsung Exynos 9 Octa 8895

Samsung Exynos 9 Octa 8895

CPU

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

Octa core (2.3 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)

Octa core (2.3 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Samsung One UI

-

-

Clock Speed

2.3 GHz

2.3 GHz

2.3 GHz

Architecture

64 bit

64 bit

64 bit

Process Technology

10 nm

10 nm

-

Battery Capacity

6000 mAh

3500 mAh

3000 mAh

Battery Removable

No

No

No

Battery Type

Li-ion

Li-ion

Li-ion

Charger Type

Fast, 15W

Fast, 15W

Fast

USB Type-C

Yes

Yes

Yes

Fast Charging

Yes

Yes

Yes

Wireless Charging

-

Yes

Yes

Announced On

18-Mar-20

5-May-17

5-Mar-17

Market Status

Available

Out of Stock

Available

Brand

Samsung

Samsung

Samsung

Model Number

SM-M215FZKDINS

SM-G955FZKDINS

SM-G950FZKDINS

Price Status

Confirmed

Confirmed

Confirmed

Price

Rs. 13,499

Rs. 54,099

Rs. 29,208

GPS

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Audio Features

Dolby Atmos

32-bit/384kHz audioActive noise cancellation with dedicated mic

32-bit/384kHz audioActive noise cancellation with dedicated mic

NFC

No

Yes

Yes

Network Support

4G

4G

4G

Bluetooth

Yes

Yes

Yes

3.5mm Audio Jack

Yes

Yes

Yes

SIM Size

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano (Hybrid)

SIM1: Nano, SIM2: Nano (Hybrid)

Wi-Fi

Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz

Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO

Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO

Bluetooth Type

v5.0

v5.0

v5.0

Audio Jack

3.5 mm

3.5 mm

3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

eSIM

No

No

No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

VoLTE

Yes

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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

4G Bands: TD-LTE 2300(band 40), 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 17) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 /...

4G Bands: TD-LTE 2300(band 40), 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 17) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 /...

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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

4G Bands: TD-LTE 2300(band 40), 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 17) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 /...

4G Bands: TD-LTE 2300(band 40), 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 17) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 /...

FM Radio

-

No

No

Front Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera Features

HDR

Wide Angle Selfie

Wide Angle Selfie

Front Camera Setup

Single, 20MP

Single, 8MP

Single, 8MP

Front Camera 1 Resolution

20 MP

8 MP

8 MP

Front Camera 1 Type

f/2.2 Primary Camera

f/1.7, Primary Camera

f/1.7, Wide Angle Primary Camera

Front Camera 1 Lens

26 mm focal length

25 mm focal length, 3.6" sensor size, 1.22 micrometre pixel size

25 mm focal length, 3.6" sensor size, 1.22 micrometre pixel size

Front Sensor

CMOS

-

-

Front Aperture

f/2.2

f/1.7

f/1.7

Front Flash

No

Yes, Screen flash

Yes, Screen flash

Weight

188 grams

173 grams

155 grams

Colors

Midnight Blue, Raven Black

Midnight Black, Orchid Gray, Coral Blue, Arctic Silver, Maple Gold

Midnight Black, Orchid Gray, Coral Blue, Arctic Silver, Maple Gold, Burgundy Red

Build

Back: Plastic

Back: Gorilla Glass

Case: Metal, Back: Metal

Dimensions

159 x 75.1 x 8.9 mm

159.5 x 73.4 x 8.1 mm

148.9 x 68.1 x 8.0 mm

SAR Value

Head: 0.468 W/kg

-

-

Water Resistance

-

Yes, Water resistant (up to 30 minutes in a depth of 1.5 meter), IP68

Yes, Water resistant (up to 30 minutes in a depth of 1.5 meter), IP68

OIS

No

Yes

Yes

Rear Flash

Yes, LED Flash

Yes, Dual-color LED Flash

Yes, Dual-color LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

Rear Camera Features

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

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

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

Rear Camera Setup

Triple, 48MP + 8MP + 5MP

Single, 12MP

Single, 12MP

Rear Camera 1 Resolution

48 MP

12 MP

12 MP

Rear Camera 1 Type

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

f/1.7, Wide Angle, Primary Camera

f/1.7 (upto 8x Digital Zoom), Wide Angle Primary Camera

Rear Camera 1 Lens

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

26 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size

26 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size

Rear Camera 2 Resolution

8 MP

-

-

Rear Camera 2 Type

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

-

-

Rear Camera 2 Lens

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

-

-

Rear Camera 3 Resolution

5 MP

-

-

Rear Camera 3 Type

f/2.2, Depth Camera

-

-

Rear Sensor

CMOS image sensor

Exmor-RS CMOS Sensor

Exmor-RS CMOS Sensor

Rear Aperture

f/2.0

f/1.7

f/1.7

Fingerprint Scanner

Yes

Yes

Yes

Fingerprint Scanner Position

Rear

Rear

Rear

Face Unlock

Yes

Yes

Yes

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