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Samsung Galaxy A21 vs Samsung Galaxy M21 vs Samsung Galaxy M31

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Last Updated: 
24th Feb 2021

Key Feature Comparison

Samsung Galaxy A21
7/10
Samsung Galaxy M21
₹12,699
8/10
Samsung Galaxy M31
₹15,999
8/10
Samsung Galaxy A21
Samsung Galaxy A21
7/10
7/10
VS
Samsung Galaxy M21
Samsung Galaxy M21
8/10
₹12,699
8/10
VS
Samsung Galaxy M31
Samsung Galaxy M31
8/10
₹15,999
8/10
Display
Screen Size
6.5 inches
6.4 inches
6.4 inches
Screen Type
Super AMOLED
Super AMOLED
Super AMOLED
Screen Resolution
720 x 1600 pixels
1080 x 2340 pixels
1080 x 2340 pixels
Pixel Density
270 ppi
403 ppi
403 ppi
Aspect Ratio
20:09
19.5:9
19.5:9
Screen to Body Ratio
79.26%
91%
83.92%
Screen Design
Punch-Hole Display
Waterdrop Notch
Notch
Screen Quality
HD
FHD
FHD
Screen Protection
-
Corning Gorilla Glass v3
Corning Gorilla Glass v3
Peak Brightness
-
420 nits
-
Battery
Battery Capacity
4000 mAh
6000 mAh
6000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 15W
Fast, 15W
Fast, 15W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Performance
GPU
PowerVR GE8320
Mali-G72 MP3
Mali-G72 MP3
Operating System
Android v10 (Q)
Android v10 (Q)
Android v10 (Q)
Chipset
MediaTek Helio P35
Samsung Exynos 9 Octa 9611
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)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Clock Speed
2.3 GHz
2.3 GHz
2.3 GHz
Architecture
64 bit
64 bit
64 bit
Custom User Interface
-
Samsung One UI
Samsung One UI
Memory & Storage
Phone Variants
32GB 3GB RAM
64GB 4GB RAM, 128GB 6GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
eMMC 5.1
UFS 2.1
UFS 2.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 512 GB
Yes, 512 GB
OTG Support
-
Yes
Yes
General
Announced On
2020, April 08
2020, March 18
2020, February 25
Market Status
Not Released in India
Available
Available
Brand
Samsung
Samsung
Samsung
Price Status
-
Confirmed
Confirmed
Price
-
Rs. 13,499
Rs. 15,999
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
NFC
Yes
No
No
Bluetooth
Yes
Yes
Yes
3.5mm Audio Jack
Yes
Yes
Yes
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
3.5 mm
Audio Features
-
Dolby Atmos
Dolby Atmos
Front Camera
Front Video Recording
1080p at 30fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Setup
Single, 13MP
Single, 20MP
Single, 32MP
Front Camera 1 Resolution
13 MP
20 MP
32 MP
Front Camera 1 Type
Primary Camera
f/2.2 Primary Camera
f/2.0 Primary Camera
Front Camera Features
-
HDR
HDR
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 Flash
-
No
No
Design
Weight
193 grams
188 grams
191 grams
Colors
Black
Midnight Blue, Raven Black
Black, Blue
Build
Back: Plastic
Back: Plastic
Back: Plastic
Dimensions
167.8 x 76.7 x 8.1 mm
159 x 75.1 x 8.9 mm
159.2 x 75.1 x 8.9 mm
SAR Value
-
Head: 0.468 W/kg
Head: 0.383 W/kg
Network
Network Support
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
SIM Size
SIM1: Nano, SIM2: Nano
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
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE
eSIM
No
No
No
Wi-Fi Features
Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
VoLTE
Yes
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) / 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...
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) / 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...
Rear Camera
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Camera Features
Digital Zoom, Auto Flash, Face detection, Touch to focus
4 x 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
Triple, 48MP + 8MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP
Rear Camera 1 Resolution
16 MP
48 MP
64 MP
Rear Camera 1 Type
Primary Camera
f/2.0 (upto 4x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
Rear Camera 2 Resolution
8 MP
8 MP
8 MP
Rear Camera 2 Type
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 3 Resolution
2 MP
5 MP
5 MP
Rear Camera 3 Type
Macro Camera
f/2.2, Depth 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
No
Rear Video Recording
-
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
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
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 Sensor
-
CMOS image sensor
ISOCELL Plus
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
Rear
Rear

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