Oppo K9xvsOppo A91 comparison

Compare Oppo K9x
Compare Oppo A91
key specs
Display6.50-inch6.40-inch
Front Camera16-megapixelYes
Rear Camera64-megapixel + 2-megapixel + 2-megapixel48-megapixel + 8-megapixel
RAM6GB8GB
Storage128GB128GB
Battery Capacity5000mAh4000mAh
OSAndroid 11Android 9
Resolution1080x2400 pixels1080x2400 pixels
Processor-octa-core
general
BrandOppoOppo
ModelK9xA91
Release dateDecember 23, 2021December 20, 2019
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Battery capacity (mAh)50004000
Fast chargingVOOCVOOC
ColoursBlack, Silver PurpleBlack, Blue, Red
Removable battery-No
display
Refresh Rate90 Hz-
Screen size (inches)6.506.40
TouchscreenYesYes
Resolution1080x2400 pixels1080x2400 pixels
Protection type-Gorilla Glass
hardware
Processor makeMediaTek Dimensity 810-
RAM6GB8GB
Internal storage128GB128GB
Processor-octa-core
camera
Rear camera64-megapixel + 2-megapixel + 2-megapixel48-megapixel + 8-megapixel
No. of Rear Cameras3-
Front camera16-megapixelYes
No. of Front Cameras1-
Pop-Up CameraNo-
Rear autofocus-Yes
Rear flash-Yes
Front flash-No
software
Operating systemAndroid 11Android 9
SkinColorOSColorOS
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes
NFCNo-
Wi-Fi standards supported-802.11 a/b/g/n
Active 4G on both SIM cards-Yes
sensors
Fingerprint sensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-Yes

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