Should I decide to upgrade, the best path would then be to FIRST improve the CPU as it seems ODY eats clockcycles and instructions for breakfeast.
More like it es them away waiting on memory accesses, but yes.
Being on the AM4 platform with 3200 MHz RAM I do like the prospect of the 5800x3D as the final upgrade on that socket. There could well be a good number of years on that chip. The last upgrade to 2600x was in december 2019.
The 5800X3D is an enormously faster gaming processor, and a solid upgrade in most other respects from a 2600X. You'll immediately become GPU limited pretty much everywhere, but the CPU will keep up with most foreseeable GPU upgrades and you won't need faster system memory.