Oppo Find X4 Pro vs Oppo A91 comparison

Show Only Differences Highlight Differences	Oppo Find X4 Pro	Oppo A91
key specs
Display	6.70-inch	6.40-inch
Processor	Qualcomm Snapdragon 845	octa-core
Front Camera	32-megapixel	Unspecified
Rear Camera	50-megapixel + 50-megapixel + 13-megapixel + 12-megapixel	48-megapixel + 8-megapixel
RAM	12GB	8GB
OS	Android 11	Android 9
Resolution	1440	1080x2400 pixels
Storage	-	128GB
Battery Capacity	-	4000mAh
general
Brand	Oppo	Oppo
Model	Find X4 Pro	A91
Launched in India	No	-
Form factor	Touchscreen	Touchscreen
Fast charging	Proprietary	VOOC
Release date	-	December 20, 2019
Battery capacity (mAh)	-	4000
Removable battery	-	No
Colours	-	Black, Blue, Red
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.70	6.40
Touchscreen	Yes	Yes
Resolution	-	1080x2400 pixels
Protection type	-	Gorilla Glass
hardware
Processor	octa-core	octa-core
Processor make	Qualcomm Snapdragon 845	-
RAM	12GB	8GB
Internal storage	-	128GB
camera
Rear camera	50-megapixel (f/1.8) + 50-megapixel + 13-megapixel + 12-megapixel	48-megapixel + 8-megapixel
No. of Rear Cameras	3	-
Front camera	32-megapixel	Unspecified
No. of Front Cameras	1	-
Rear autofocus	-	Yes
Rear flash	-	Yes
Front flash	-	No
software
Operating system	Android 11	Android 9
Skin	ColorOS	ColorOS
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes
NFC	Yes	-
USB Type-C	Yes	-
Wi-Fi standards supported	-	802.11 a/b/g/n
Active 4G on both SIM cards	-	Yes
sensors
In-Display Fingerprint Sensor	Yes	-
Fingerprint sensor	-	Yes
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes

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