NewDonate for Education

Select City
Login

Sell
Find New Phone
Buy Accessories
More
0 Device Added
close

Samsung Galaxy A31 vs Samsung Galaxy A20S vs Samsung Galaxy M21

Share:facebookinstagramwhatsapp
Last Updated: 
27th Aug 2020

Key Feature Comparison

Samsung Galaxy A31
₹16,990
8/10
Samsung Galaxy A20s
₹11,599
7/10
Samsung Galaxy M21
₹12,699
8/10
Samsung Galaxy A31
Samsung Galaxy A31
8/10
₹16,990
8/10
VS
Samsung Galaxy A20s
Samsung Galaxy A20s
7/10
₹11,599
7/10
VS
Samsung Galaxy M21
Samsung Galaxy M21
8/10
₹12,699
8/10
Display
Screen Size
6.4 inches
6.5 inches
6.4 inches
Screen Type
Super AMOLED
TFT
Super AMOLED
Screen Resolution
1080 x 2400 pixels
720 x 1560 pixels
1080 x 2340 pixels
Pixel Density
411 ppi
264 ppi
403 ppi
Aspect Ratio
20:09
19.5:9
19.5:9
Screen to Body Ratio
84.92%
81.77%
91%
Screen Design
Waterdrop Notch
Notch
Waterdrop Notch
Screen Quality
FHD
HD
FHD
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Performance
GPU
Mali-G52
Adreno 506
Mali-G72 MP3
Operating System
Android v10 (Q)
Android v9.0 (Pie)
Android v10 (Q)
Chipset
MediaTek Helio P65
Qualcomm Snapdragon 450
Samsung Exynos 9 Octa 9611
CPU
Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)
Octa core, 1.8 GHz, Cortex A53
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
1.8 GHz
2.3 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
12 nm
14 nm
10 nm
General
Announced On
24-Mar-20
24-Sep-19
18-Mar-20
Market Status
Available
Available
Available
Brand
Samsung
Samsung
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 17,999
Rs. 12,900
Rs. 13,499
Memory & Storage
Phone Variants
128GB 6GB RAM
32GB 3GB RAM, 64GB 4GB RAM
64GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
-
LPDDR4X
Expandable Storage Capacity
Yes, 512 GB
Yes, 512 GB
Yes, 512 GB
OTG Support
Yes
Yes
Yes
Storage Type
-
eMMC 5.1
UFS 2.1
Battery
Battery Capacity
5000 mAh
4000 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
Audio Features
Dolby Atmos
Dolby Atmos
Dolby Atmos
NFC
Yes
No
No
Bluetooth
Yes
Yes
Yes
FM Radio
Yes
-
-
3.5mm Audio Jack
Yes
Yes
Yes
Bluetooth Type
v5.0
v4.2
v5.0
Audio Jack
3.5 mm
3.5 mm
3.5 mm
Front Camera
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Setup
Single, 20MP
Single, 8MP
Single, 20MP
Front Camera 1 Resolution
20 MP
8 MP
20 MP
Front Camera 1 Type
f/2.2 Primary Camera
f/2.0 Primary Camera
f/2.2 Primary Camera
Front Aperture
f/2.2
f/2.0
f/2.2
Front Flash
No
No
No
Design
Weight
185 grams
183 grams
188 grams
Colors
Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Black, Blue, Green
Midnight Blue, Raven Black
Dimensions
159.3 x 73.1 x 8.6 mm
163.3 x 77.5 x 8 mm
159 x 75.1 x 8.9 mm
SAR Value
Head: 1.13 W/kg
Head: 0.27 W/kg
Head: 0.468 W/kg
Build
-
Back: Plastic
Back: Plastic
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
Rear Camera Features
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 48MP + 8MP + 5MP + 5MP
Triple, 13MP + 8MP + 5MP
Triple, 48MP + 8MP + 5MP
Rear Camera 1 Resolution
48 MP
13 MP
48 MP
Rear Camera 1 Type
f/2.0 (upto 8x Digital Zoom) Primary Camera
f/1.8 (upto 4x Digital Zoom) Primary Camera
f/2.0 (upto 4x Digital Zoom) Primary Camera
Rear Camera 1 Lens
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
27 mm focal length
26 mm focal length, 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 3 Resolution
5 MP
5 MP
5 MP
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.2, Depth Camera
f/2.2, Depth Camera
Rear Camera 4 Resolution
5 MP
-
-
Rear Camera 4 Type
f/2.4, Depth Camera
-
-
Rear Aperture
f/2.0
f/1.8
f/2.0
Rear Sensor
-
CMOS image sensor
CMOS image sensor
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, b/g/n
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
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) / 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) / 2100(band 34) / 1900(band 39), 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 / 8...
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:...
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) / 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) / 2100(band 34) / 1900(band 39), 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) / 800(band 20), 3G Bands: UMTS ...
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:...
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
On-screen
Rear
Rear
Fingerprint Scanner Type
Optical
-
-

You May Also Read

  • Best Mobile Phones Under Rs 15,000
    The best smartphones under Rs 15000 is one of the most competitive mobile categories and this is because consumers want a value for money smartphone at a budget price. In recent months a lot of new smartphone brands have been introduced in India and all are aiming to provide the value for money best smartphones…
    12th Jul 2019
  • Best Mobile Phones Under 10,000
    If you are looking for the best smartphones under 10000, then you are in luck! The Indian smartphone market in recent years has evolved substantially to include great offerings at a budget price point. No longer are mobiles under 10000 underperforming or lacklustre. Many manufacturers like Xiaomi, Realme, Motorola, and Samsung have been spending a…
    12th Jul 2019
  • Top Oppo Mobile Phones
    Nobody was searching for the best Oppo phones a few years ago. In the last few years, the Chinese company has made a real push out from its native country. By the mid-2010s, they were releasing a huge variety of phones in India. And things are only heating up for one of the largest phone…
    12th Jul 2019
  • Top Vivo Mobile Phones
    Explore our best Vivo mobile phones launched in India. Read reviews, full specifications and get the best exchange price for you old phone.
    12th Jul 2019
  • Best Sony Mobile Phones in India
    Being a Multinational telecommunications company, Sony Mobile Communications Inc has been a major name in the gadget world. Starting off as a joint endeavor between Sony and Ericsson, headquartered in Tokyo, the company has made into the smartphone market and has ever since been working hard to come up with the best sony mobiles. With…
    12th Jul 2019