You can get stuck with decision paralysis.
Just pick a Ryzen 7000-series X3D CPU. If you don’t like it, sell it and buy a different one.
Here are some thoughts on the 7800X3D vs. 7900 and 7950X3D CPUs.
Taken from this thread:
https://forums.flightsimulator.com/t/planning-on-buying-7800x3d-for-msfs-consider-the-7900x3d/585122/26