Samsung Galaxy M21 vs Xiaomi Mi A3 comparison

Show Only Differences Highlight Differences	Samsung Galaxy M21	Xiaomi Mi A3
ratings
Overall NDTV Rating	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.40-inch	6.08-inch
Processor	Samsung Exynos 9611	Qualcomm Snapdragon 665
Front Camera	20-megapixel	32-megapixel
Rear Camera	48-megapixel + 8-megapixel + 5-megapixel	48-megapixel + 8-megapixel + 2-megapixel
RAM	4GB	4GB
Storage	64GB	64GB
Battery Capacity	6000mAh	4030mAh
OS	Android 10	Android 9.0
Resolution	2340x1080 pixels	720x1560 pixels
general
Brand	Samsung	Xiaomi
Model	Galaxy M21	Mi A3
Release date	March 18, 2020	July 17, 2019
Launched in India	Yes	-
Form factor	Touchscreen	-
Thickness	8.9	-
Weight (g)	188.00	173.80
Battery capacity (mAh)	6000	4030
Removable battery	No	-
Fast charging	Proprietary	Quick Charge 3.0
Wireless charging	No	-
Colours	Midnight Blue, Raven Black	Not Just Blue, More Than White, Kind of Gray
Dimensions (mm)	-	153.48 x 71.85 x 8.50
display
Screen size (inches)	6.40	6.08
Touchscreen	Yes	Yes
Resolution	2340x1080 pixels	720x1560 pixels
Protection type	Gorilla Glass	Gorilla Glass
Aspect ratio	19.5:9	19.5:9
hardware
Processor	1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)	2GHz octa-core
Processor make	Samsung Exynos 9611	Qualcomm Snapdragon 665
RAM	4GB	4GB
Internal storage	64GB	64GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	256
camera
Rear camera	48-megapixel + 8-megapixel + 5-megapixel	48-megapixel (f/1.79, 1.6-micron) + 8-megapixel (f/2.2) + 2-megapixel
Rear autofocus	Yes	Yes
Rear flash	Yes	Yes
Front camera	20-megapixel	32-megapixel (f/2.0, 1.6-micron)
Front flash	No	-
software
Operating system	Android 10	Android 9.0
Skin	One UI 2.0	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
USB Type-C	Yes	Yes
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
Infrared	-	Yes
FM	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sensors
Face unlock	Yes	Yes
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	-	Yes

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