According to a recent rumor, the upcoming Apple iPad mini 6 will be featuring A15 processor with the addition of Smart Connector feature. The iPad mini 6 model number is J310 with significant upgrade in this version. The Apple A15 used on the iPad mini 6 will also be used on iPhone 13. It is a 5nm chip and followed by A15X which will be used on newer iPads.
Previous leaks from Jon Prosser stated that iPhone mini 6 will be using USB C instead of Lightning port and addition of Smart Connector accessories like the iPad Pro.
The iPad mini 6 will also get rid of its fingerprint scanner and move its Touch ID to in-screen fingerprint sensor. The screen size is rumored to be around 8.4 inches.