Samsung Galaxy M21 vs Samsung Galaxy M31 vs Nokia 7.2
Key Feature Comparison
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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)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
6000 mAh
6000 mAh
3500 mAh
6.4 inches
6.4 inches
6.39 inches
Triple, 48MP + 8MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP
Triple, 48MP + 8MP + 5MP
4G
4G
4G
Detailed Specs
Screen Size
6.4 inches
6.4 inches
6.39 inches
Screen Type
Super AMOLED
Super AMOLED
IPS LCD
Screen Resolution
1080 x 2340 pixels
1080 x 2340 pixels
1080 x 2340 pixels
Pixel Density
403 ppi
403 ppi
403 ppi
Aspect Ratio
19.5:9
19.5:9
19.5:9
Screen Protection
Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 3
Screen to Body Ratio
91%
83.92%
83.34%
Screen Design
Waterdrop notch
Regular notch
Waterdrop notch
Screen Quality
FHD
FHD
FHD
Peak Brightness
420 nits
-
-
Phone Variants
4GB 64GB, 6GB 128GB
6GB 64GB, 8GB 128GB, 6GB 128GB
6GB 64GB, 4GB 64GB
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
UFS 2.1
eMMC 5.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 512 GB
Yes, 512 GB
OTG Support
Yes
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Operating System
Android v10 (Q)
Android v10 (Q)
Android v9.0 (Pie)
GPU
Mali-G72 MP3
Mali-G72 MP3
Adreno 512
Chipset
Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 660
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)
Octa core (2.2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Custom User Interface
Samsung One UI
Samsung One UI
Stock
Clock Speed
2.3 GHz
2.3 GHz
2.2 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
10 nm
10 nm
14 nm
Battery Capacity
6000 mAh
6000 mAh
3500 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 15W
Fast, 15W
-
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
-
Announced On
18-Mar-20
25-Feb-20
5-Sep-19
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Nokia
Model Number
SM-M215FZKDINS
SM-M315FZKDINS
TA-1193 DS
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 13,499
Rs. 15,999
Rs. 19,999
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Dolby Atmos
Active noise cancellation with dedicated mic
NFC
No
No
No
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
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
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
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 VoLTE
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 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 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
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 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 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
FM Radio
-
Yes
Yes
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
HDR
HDR
Zeiss optics, HDR
Front Camera Setup
Single, 20MP
Single, 32MP
Single, 20MP
Front Camera 1 Resolution
20 MP
32 MP
20 MP
Front Camera 1 Type
f/2.2 Primary Camera
f/2.0 Primary Camera
f/2.0 Primary Camera
Front Camera 1 Lens
26 mm focal length
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
-
Front Sensor
CMOS
Exmor RS
-
Front Aperture
f/2.2
f/2.0
f/2.0
Front Flash
No
No
Yes, Screen flash
Weight
188 grams
191 grams
180 grams
Colors
Midnight Blue, Raven Black
Black, Blue
Cyan Green, Charcoal, Ice
Build
Back: Plastic
Back: Plastic
Back: Gorilla Glass
Dimensions
159 x 75.1 x 8.9 mm
159.2 x 75.1 x 8.9 mm
159.8 x 75.1 x 8.2 mm
SAR Value
Head: 0.468 W/kg
Head: 0.383 W/kg
-
OIS
No
No
-
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps
Rear Camera Features
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Triple, 48MP + 8MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP
Triple, 48MP + 8MP + 5MP
Rear Camera 1 Resolution
48 MP
64 MP
48 MP
Rear Camera 1 Type
f/2.0 (upto 4x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.79 Primary Camera
Rear Camera 1 Lens
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
2" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
8 MP
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
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
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-
Rear Camera 3 Resolution
5 MP
5 MP
5 MP
Rear Camera 3 Type
f/2.2, Depth Camera
f/2.4, Macro Camera
Depth Camera
Rear Sensor
CMOS image sensor
ISOCELL Plus
-
Rear Aperture
f/2.0
f/1.8
f/1.79
Rear Camera 3 Lens
-
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
-
Rear Camera 4 Resolution
-
5 MP
-
Rear Camera 4 Type
-
f/2.2, Depth Camera
-
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
Rear
Rear
Face Unlock
Yes
Yes
Yes