Oppo F21 Pro vs Oppo K9x comparison

Show Only Differences Highlight Differences	Oppo F21 Pro	Oppo K9x
key specs
Display	6.43-inch	6.50-inch
Processor	Qualcomm Snapdragon 680	-
Front Camera	32-megapixel	16-megapixel
Rear Camera	64-megapixel + 2-megapixel + 2-megapixel	64-megapixel + 2-megapixel + 2-megapixel
RAM	8GB	6GB, 8GB
Storage	128GB	128GB, 256GB
Battery Capacity	4500mAh	5000mAh
OS	Android 12	Android 11
Resolution	1080x2400 pixels	1080x2400 pixels
general
Brand	OPPO	Oppo
Model	Oppo F21 Pro	K9x
Release date	April 12, 2022	December 23, 2021
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	159.90 x 73.20 x 7.49	-
Weight (g)	175.00	-
Battery capacity (mAh)	4500	5000
Colours	Cosmic Black, Sunset Orange	Black, Silver Purple
Fast charging	-	VOOC
display
Refresh Rate	90 Hz	90 Hz
Resolution Standard	FHD	-
Screen size (inches)	6.43	6.50
Resolution	1080x2400 pixels	1080x2400 pixels
Protection type	Gorilla Glass	-
Aspect ratio	20:9	-
Pixels per inch (PPI)	409	-
Touchscreen	-	Yes
hardware
Processor	octa-core	-
Processor make	Qualcomm Snapdragon 680	MediaTek Dimensity 810
RAM	8GB	6GB, 8GB
Internal storage	128GB	128GB, 256GB
camera
Rear camera	64-megapixel (f/1.7) + 2-megapixel (f/3.3) + 2-megapixel (f/2.4)	64-megapixel + 2-megapixel + 2-megapixel
No. of Rear Cameras	3	3
Rear autofocus	Yes	-
Rear flash	Yes	-
Front camera	32-megapixel (f/2.4)	16-megapixel
No. of Front Cameras	1	1
Pop-Up Camera	-	No
software
Operating system	Android 12	Android 11
Skin	ColorOS 12.1	ColorOS
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	-
GPS	Yes	Yes
Bluetooth	Yes, v 5.10	Yes
USB Type-C	Yes	-
Headphones	3.5mm	-
Number of SIMs	2	-
NFC	-	No
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	-
Fingerprint sensor	-	Yes

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