Got 5800x3d, 9750H, 7700, 2400G, a10-8700p.
As suspected, extra l3 doesn't improve perf as much as Fo4. IMO: If 11990k is hitting 54fps, it's conceivable for 12900k to hit 73fps. We are comparing highly clocked 12900k to a stock 11900k that can't entirely hit the highest part of the boost.
If...