OPPO Find X9 Pro vs Oppo A31 (2020) comparison

Show Only Differences Highlight Differences	OPPO Find X9 Pro	Oppo A31 (2020)
key specs
Display	6.78-inch	6.50-inch
Processor	MediaTek Dimensity 9500	MediaTek Helio P35
Front Camera	50-megapixel	8-megapixel
Rear Camera	50-megapixel + 50-megapixel + 200-megapixel	12-megapixel + 2-megapixel + 2-megapixel
RAM	12GB	4GB
Storage	256GB	64GB
Battery Capacity	7500mAh	4230mAh
OS	Android 16	Android 9
Resolution	1272x2772 pixels	720x1600 pixels
general
Brand	OPPO	Oppo
Model	Find X9 Pro	A31 (2020)
Release date	October 16, 2025	February 14, 2020
AI Enabled	Yes	-
Launched in India	No	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	161.26 x 76.46 x 8.25	163.90 x 75.50 x 8.30
Weight (g)	224.00	180.00
IP rating	IP69	-
Battery capacity (mAh)	7500	4230
Removable battery	No	No
Fast charging	80W Fast Charging	-
Wireless charging	Yes	-
Wireless Charging Type	50W	-
Colours	Chasing Light Red, Frost White, Velvet Titanium	Mystery Black, Fantasy White
Body type	-	Plastic
display
Refresh Rate	120 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.78	6.50
Touchscreen	Yes	Yes
Resolution	1272x2772 pixels	720x1600 pixels
Pixels per inch (PPI)	450	-
Aspect ratio	-	20:9
hardware
Processor	octa-core	2.3GHz octa-core
Processor make	MediaTek Dimensity 9500	MediaTek Helio P35 (MT6765)
RAM	12GB	4GB
Internal storage	256GB	64GB
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	256
Dedicated microSD slot	-	Yes
camera
Rear camera	50-megapixel (f/1.5) + 50-megapixel (f/2.0) + 200-megapixel (f/2.1)	12-megapixel (f/1.8) + 2-megapixel (f/2.4, 1.75-micron) + 2-megapixel (f/2.4, 1.75-micron)
No. of Rear Cameras	3	-
Rear flash	Yes	Yes
Front camera	50-megapixel (f/2.0)	8-megapixel (f/2.0)
No. of Front Cameras	1	-
Lens Type (Second Rear Camera)	Ultra Wide-Angle	-
Lens Type (Third Rear Camera)	Telephoto	-
Rear autofocus	-	Yes
Pop-Up Camera	-	No
Front autofocus	-	No
Front flash	-	No
software
Operating system	Android 16	Android 9
Skin	ColorOS 16	ColorOS 6.1.2
connectivity
Wi-Fi 7	Yes	-
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac/ax	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes, v 6.00	Yes, v 5.00
NFC	Yes	No
Infrared	Yes	-
USB OTG	Yes	-
USB Type-C	Yes	-
Headphones	Type-C	3.5mm
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
Micro-USB	-	Yes
FM	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	-
Face unlock	-	Yes
Fingerprint sensor	-	Yes

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