The biggest surprise would be if a 7950X3D or 7900X3D significantly outperformed the 7800X3D, with a game using all the cache on at least 1 core per CCD.
According to new reports, AMD is planning to release 8, 12 and 16-core Ryzen 7000X3D processors next month, all with 170 W TDPs. Sporting similar clock speeds as their regular Ryzen 7000 series counterparts, the Ryzen 7000X3D series will offer up to 192 MB of L3 3D V-cache in the Ryzen 9 7900X3D and Ryzen 9 7950X3D.