Samsung Galaxy A21S vs Samsung Galaxy A31 vs Samsung Galaxy M31
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Last Updated:
18th Sep 2020
Key Feature Comparison
Samsung Galaxy A21s
₹12,999
8/10
Samsung Galaxy A31
₹16,999
8/10
Samsung Galaxy M31
₹15,999
8/10
Samsung Galaxy A21s
8/10
₹12,999
8/10
VS
Samsung Galaxy A31
8/10
₹16,999
8/10
VS
Samsung Galaxy M31
8/10
₹15,999
8/10
Display
Screen Size
6.5 inches
6.4 inches
6.4 inches
Screen Type
PLS TFT LCD
Super AMOLED
Super AMOLED
Screen Resolution
720 x 1600 pixels
1080 x 2400 pixels
1080 x 2340 pixels
Pixel Density
270 ppi
411 ppi
403 ppi
Aspect Ratio
20:09
20:09
19.5:9
Screen to Body Ratio
82.75%
84.92%
83.92%
Screen Design
Punch-Hole Display
Waterdrop Notch
Notch
Screen Quality
HD
FHD
FHD
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Performance
GPU
Mali-G52 MP1
Mali-G52
Mali-G72 MP3
Operating System
Android v10 (Q)
Android v10 (Q)
Android v10 (Q)
Chipset
Samsung Exynos 8 Octa 850
MediaTek Helio P65
Samsung Exynos 9 Octa 9611
CPU
Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)
Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)
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
Samsung One UI
Clock Speed
2 GHz
2 GHz
2.3 GHz
Architecture
64 bit
64 bit
64 bit
General
Announced On
2020, May 15
2020, March 24
2020, February 25
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 13,999
Rs. 17,999
Rs. 15,999
Memory & Storage
Phone Variants
64GB 4GB RAM, 64GB 6GB 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
Expandable Storage Capacity
Yes, 512 GB
Yes, 512 GB
Yes, 512 GB
OTG Support
Yes
Yes
Yes
Battery
Battery Capacity
5000 mAh
5000 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
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
NFC
No
Yes
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
FM Radio
-
Yes
Yes
Front Camera
Front Video Recording
1920x1080 @ 30 fps
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
f/2.2 Primary Camera
f/2.2 Primary Camera
f/2.0 Primary Camera
Front Camera 1 Lens
3.1" sensor size, 1.12 micrometre pixel size
-
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
Front Flash
No
No
No
Design
Weight
192 grams
185 grams
191 grams
Colors
Black, Blue, White
Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Black, Blue
Build
Back: Plastic
-
Back: Plastic
Dimensions
163.7 x 75.3 x 8.9 mm
159.3 x 73.1 x 8.6 mm
159.2 x 75.1 x 8.9 mm
SAR Value
Head: 0.831 W/kg
Head: 1.13 W/kg
Head: 0.383 W/kg
Rear Camera
OIS
No
No
No
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
Rear Camera Features
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
8 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, 48MP + 8MP + 2MP + 2MP
Quad, 48MP + 8MP + 5MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP
Rear Camera 1 Resolution
48 MP
48 MP
64 MP
Rear Camera 1 Type
f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/2.0 (upto 8x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
Rear Camera 1 Lens
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
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 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
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
2 MP
5 MP
5 MP
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.4, Macro Camera
Rear Camera 4 Resolution
2 MP
5 MP
5 MP
Rear Camera 4 Type
f/2.4, Depth Camera
f/2.4, Depth Camera
f/2.2, Depth Camera
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, 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
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE
eSIM
No
No
No
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, 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) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
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), 3G Bands: UMTS 19...
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 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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
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), 3G Bands: UMTS 19...
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...
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
On-screen
Rear
Fingerprint Scanner Type
-
Optical
-
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