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OPPO Find X9 Ultra vs Oppo A91 comparison

 Compare OPPO Find X9 Ultra
OPPO Find X9 Ultra
Compare Oppo A91
Oppo A91
key specs
Display6.82-inch6.40-inch
Front Camera50-megapixel Unspecified
Rear Camera200-megapixel + 50-megapixel + 50-megapixel + 200-megapixel 48-megapixel + 8-megapixel
RAM16GB8GB
Storage1TB128GB
Battery Capacity7050mAh4000mAh
OSAndroid 16Android 9
Resolution1440x3168 pixels1080x2400 pixels
Processor-octa-core
general
BrandOPPOOppo
ModelFind X9 UltraA91
Release dateApril 21, 2026December 20, 2019
AI EnabledYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)163.16 x 76.97 x 8.65-
Weight (g)235.00-
Battery capacity (mAh)70504000
Removable batteryNoNo
Fast charging100W Fast ChargingVOOC
Wireless chargingYes-
Wireless Charging Type50W-
ColoursPolar Glacier, Rongsha Canyon, Earth TundraBlack, Blue, Red
display
Refresh Rate120 Hz-
Resolution StandardQHD+-
Screen size (inches)6.826.40
TouchscreenYesYes
Resolution1440x3168 pixels1080x2400 pixels
Pixels per inch (PPI)510-
Protection type-Gorilla Glass
hardware
Processor makeSnapdragon 8 Elite Gen 5-
RAM16GB8GB
Internal storage1TB128GB
Expandable storageNo-
Processor-octa-core
camera
Rear camera200-megapixel (f/1.5) + 50-megapixel (f/2.0) + 50-megapixel (f/3.5) + 200-megapixel (f/2.2)48-megapixel + 8-megapixel
No. of Rear Cameras4-
Rear flashYesYes
No. of Front Cameras1-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
Lens Type (Fourth Rear Camera)Telephoto-
Front camera50-megapixel (f/2.4)Unspecified
Rear autofocus-Yes
Front flash-No
software
Operating systemAndroid 16Android 9
SkinColorOS 16ColorOS
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
BluetoothYesYes
NFCYes-
USB Type-CYes-
Number of SIMs2-
Wi-Fi standards supported-802.11 a/b/g/n
GPS-Yes
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIM-
4G/ LTEYes-
5GYes-
sim 2
SIM TypeNano-SIM-
4G/ LTEYes-
5GYes-
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Fingerprint sensor-Yes
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