Samsung Galaxy M21 vs Samsung Galaxy S8 Plus vs Samsung Galaxy S8
Key Feature Comparison
Show differences only
At a Glance
Show differences only
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)
6000 mAh
3500 mAh
3000 mAh
6.4 inches
6.2 inches
5.8 inches
Triple, 48MP + 8MP + 5MP
Single, 12MP
Single, 12MP
4G
4G
4G
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