It has been reported that the upcoming Apple iPad Pro refresh might feature A14X chips that can offer performance on a similar level as the M1 silicon. The information in regard to the A14X SoC has derived from code for iOS 14.5, and there are also four codenames so far associated with the upcoming 11-inch and 12.9-inch 2021 iPad Pro models.
https://www.notebookcheck.net/New-iPad-Pro-tablets-look-set-to-be-powered-by-A14X-SoC-that-can-deliver-Apple-M1-like-performance.529068.0.html