OPPO Reno 15 FS vs Oppo K9x comparison

Compare OPPO Reno 15 FS
Compare Oppo K9x
key specs
Display6.57-inch6.50-inch
Front Camera50-megapixel 16-megapixel
Rear Camera50-megapixel + 8-megapixel + 2-megapixel 64-megapixel + 2-megapixel + 2-megapixel
RAM8GB6GB, 8GB
Storage512GB128GB, 256GB
Battery Capacity6500mAh5000mAh
OSAndroid 16Android 11
Resolution1080x2372 pixels1080x2400 pixels
general
BrandOPPOOppo
ModelReno 15 FSK9x
Release dateJanuary 20, 2026December 23, 2021
AI EnabledYes-
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Dimensions (mm)158.18 x 74.93 x 8.14-
Weight (g)189.00-
IP ratingIP69-
Battery capacity (mAh)65005000
Removable batteryNo-
Fast charging80W Fast ChargingVOOC
ColoursAurora Blue, Twilight BlueBlack, Silver Purple
display
Refresh Rate120 Hz90 Hz
Resolution StandardFHD+-
Screen size (inches)6.576.50
TouchscreenYesYes
Resolution1080x2372 pixels1080x2400 pixels
Protection typeGorilla Glass-
Pixels per inch (PPI)397-
hardware
Processor makeQualcomm Snapdragon 6 Gen 1MediaTek Dimensity 810
RAM8GB6GB, 8GB
Internal storage512GB128GB, 256GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)2000-
camera
Rear camera50-megapixel (f/1.8) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)64-megapixel + 2-megapixel + 2-megapixel
No. of Rear Cameras33
Rear flashYes-
Front camera50-megapixel (f/2.1)16-megapixel
No. of Front Cameras11
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Macro-
Pop-Up Camera-No
software
Operating systemAndroid 16Android 11
SkinColorOS 16ColorOS
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.10Yes
NFCYesNo
InfraredYes-
USB OTGYes-
USB Type-CYes-
HeadphonesType-C-
Number of SIMs2-
Active 4G on both SIM cardsYes-
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Fingerprint sensor-Yes

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