OPPO Find X9 vs Xiaomi Mi Mix 4 comparison

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key specs
Display6.59-inch6.67-inch
ProcessorMediaTek Dimensity 9500Qualcomm Snapdragon 888+
Front Camera32-megapixel 20-megapixel
Rear Camera50-megapixel + 50-megapixel + 50-megapixel 108-megapixel + 13-megapixel + 8-megapixel
RAM12GB, 16GB8GB, 12GB
Storage256GB, 512GB128GB, 256GB, 512GB
Battery Capacity7025mAh4500mAh
OSAndroid 16Android 11
Resolution1256x2760 pixels1080x2400 pixels
general
BrandOPPOXiaomi
ModelFind X9Mi Mix 4
Release dateOctober 16, 2025August 10, 2021
AI EnabledYes-
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Dimensions (mm)156.98 x 73.93 x 7.99162.65 x 75.35 x 8.02
Weight (g)203.00225.00
IP ratingIP69-
Battery capacity (mAh)70254500
Removable batteryNo-
Fast charging80W Fast ChargingProprietary
Wireless chargingYes-
Wireless Charging Type50W-
ColoursChasing Light Red, Frost White, Mist Black, Velvet TitaniumCeramic Black, Ceramic White, Ceramic Gray
display
Refresh Rate120 Hz-
Resolution Standard1.5K-
Screen size (inches)6.596.67
TouchscreenYesYes
Resolution1256x2760 pixels1080x2400 pixels
Pixels per inch (PPI)460-
Protection type-Gorilla Glass
Aspect ratio-20:9
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 9500Qualcomm Snapdragon 888+
RAM12GB, 16GB8GB, 12GB
Internal storage256GB, 512GB128GB, 256GB, 512GB
camera
Rear camera50-megapixel (f/1.6) + 50-megapixel (f/2.0) + 50-megapixel (f/2.6)108-megapixel (f/1.95) + 13-megapixel (f/2.2) + 8-megapixel
No. of Rear Cameras33
Rear flashYesYes
Front camera32-megapixel (f/2.4)20-megapixel
No. of Front Cameras11
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
Rear autofocus-Yes
software
Operating systemAndroid 16Android 11
SkinColorOS 16MIUI 12.5
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 6.00Yes, v 5.20
NFCYesYes
InfraredYes-
USB OTGYes-
USB Type-CYesYes
HeadphonesType-C-
Number of SIMs22
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes
sensors
In-Display Fingerprint SensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes

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