Oppo F21 Pro vs Redmi Note 9 Pro Max comparison

Show Only Differences Highlight Differences	Oppo F21 Pro	Redmi Note 9 Pro Max
key specs
Display	6.43-inch	6.67-inch
Processor	Qualcomm Snapdragon 680	Qualcomm Snapdragon 720G
Front Camera	32-megapixel	32-megapixel
Rear Camera	64-megapixel + 2-megapixel + 2-megapixel	64-megapixel + 8-megapixel + 5-megapixel + 2-megapixel
RAM	8GB	6GB
Storage	128GB	64GB
Battery Capacity	4500mAh	5020mAh
OS	Android 12	Android 10
Resolution	1080x2400 pixels	1080x2400 pixels
general
Brand	Oppo	Xiaomi
Model	F21 Pro	Redmi Note 9 Pro Max
Release date	April 12, 2022	March 12, 2020
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	159.90 x 73.20 x 7.49	165.50 x 76.68 x 8.80
Weight (g)	175.00	209.00
Battery capacity (mAh)	4500	5020
Colours	Cosmic Black, Sunset Orange	Aurora Blue, Glacier White, Interstellar Black
display
Refresh Rate	90 Hz	-
Resolution Standard	FHD	-
Screen size (inches)	6.43	6.67
Resolution	1080x2400 pixels	1080x2400 pixels
Protection type	Gorilla Glass	Gorilla Glass
Aspect ratio	20:9	20:9
Pixels per inch (PPI)	409	-
Touchscreen	-	Yes
hardware
Processor	octa-core	1.8GHz octa-core (4x1.8GHz + 4x2.3GHz)
Processor make	Qualcomm Snapdragon 680	Qualcomm Snapdragon 720G
RAM	8GB	6GB
Internal storage	128GB	64GB
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	512
Dedicated microSD slot	-	Yes
camera
Rear camera	64-megapixel (f/1.7) + 2-megapixel (f/3.3) + 2-megapixel (f/2.4)	64-megapixel (f/1.89, 1.6-micron) + 8-megapixel (f/2.2, 1.12-micron) + 5-megapixel (1.12-micron) + 2-megapixel (1.75-micron)
No. of Rear Cameras	3	-
Rear autofocus	Yes	Yes
Rear flash	Yes	Yes
Front camera	32-megapixel (f/2.4)	32-megapixel (1.6-micron)
No. of Front Cameras	1	-
software
Operating system	Android 12	Android 10
Skin	ColorOS 12.1	MIUI 11
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes, v 5.10	Yes, v 5.00
USB Type-C	Yes	Yes
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
Infrared	-	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
In-Display Fingerprint Sensor	Yes	No
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Face unlock	-	Yes
Fingerprint sensor	-	Yes
ratings
Overall NDTV Rating	-	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-

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