How much room for improvement is there (9950X3D)

So I have that G.Skill 6000 CL 26 kit. FCLK 2000, MCLK/UCLK 3000. I threw in Buildzoid's quick Hynix A-Die SR tuning suggestions (with the updated advice on tras/etc). I turned on Gaming Optimizations in BIOS.

Aida latency is 63.5ns. The Gaming Optimizations don't really make a difference in the game I tested it, maybe 1% at most.

Even then, doing all that compared to the default EXPO settings (which were hitting ~75-77ns in Aida) netted a small improvement in FPS in the games I tested (Overwatch 2, Marvel Rivals).

So, if I went all out and tried to manually tighten timings exhaustively, maybe tried to push FCLK 100-200 MHz, maybe pushed RAM to 6200, 6400, etc... would there be any significant gain in the gaming performance? It couldn't be more than the jump from EXPO to what I threw in above, could it?