And, if this is one, it'll likely be no different. At best, they could release an N3e version of the CCD, assuming such a thing was already under development, but missed the production deadline. What would that bring though? Maybe 200Mhz peak ST boost, perhaps 300Mhz+ for all core MT clocks under load. It won't solve the iod link restrictions. I doubt it brings even a consistent 5%.
Maybe there's a notable hardware eratta that an XT can solve that gives a bump.
But it isn't going to be a big gain.