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Samsung Galaxy M21 (6GB RAM, 128GB) vs Oppo A9 2020

Samsung Galaxy M21 (6GB RAM, 128GB) vs Oppo A9 2020 comparison

Show Only Differences Highlight Differences	Samsung Galaxy M21 (6GB RAM, 128GB)	Oppo A9 2020 (4GB RAM, 128GB)
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	6.50-inch
Processor	Samsung Exynos 9611	Qualcomm Snapdragon 665
Front Camera	20-megapixel	16-megapixel
Rear Camera	48-megapixel + 8-megapixel + 5-megapixel	48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM	6GB	4GB
Storage	128GB	128GB
Battery Capacity	6000mAh	5000mAh
OS	Android 10	Android 9 Pie
Resolution	2340x1080 pixels	720x1600 pixels
general
Brand	Samsung	Oppo
Model	Galaxy M21	A9 2020
Release date	March 18, 2020	September 11, 2019
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Thickness	8.9	9.1
Weight (g)	188.00	195.00
Battery capacity (mAh)	6000	5000
Removable battery	No	-
Fast charging	Proprietary	-
Wireless charging	No	-
Colours	Iceberg Blue, Midnight Blue, Raven Black	Marine Green, Space Purple
Body type	-	Plastic
display
Screen size (inches)	6.40	6.50
Touchscreen	Yes	Yes
Resolution	2340x1080 pixels	720x1600 pixels
Protection type	Gorilla Glass	Gorilla Glass
Aspect ratio	19.5:9	-
hardware
Processor	1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)	octa-core
Processor make	Samsung Exynos 9611	Qualcomm Snapdragon 665
RAM	6GB	4GB
Internal storage	128GB	128GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	256
Dedicated microSD slot	-	Yes
camera
Rear camera	48-megapixel + 8-megapixel + 5-megapixel	48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
Rear autofocus	Yes	-
Rear flash	Yes	Yes
Front camera	20-megapixel	16-megapixel
Front flash	No	-
software
Operating system	Android 10	Android 9 Pie
Skin	One UI 2.0	ColorOS 6.0.1
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g	-
GPS	Yes	Yes
Bluetooth	Yes	Yes
USB Type-C	Yes	-
Headphones	3.5mm	-
Number of SIMs	2	2
Wi-Fi Direct	-	Yes
Active 4G on both SIM cards	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	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	-
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes

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