12900k uses les power in games compared to the 5950X, as well as having higher IPC.
But the person asking the question about 5800X3D or 5950X is only using it for productivity, so again yet another none helpful post where you didn't bother to read the discussion from the start just jump in with both feet.
Real shame AMD didn't release a 5950X3D, as this would be an excellent product.
and now currently 5900x at the moment I prefer AMD due to the socket support and performance is right up there, if zen4 matches peformance or exceeds what Intel has at that time its released and pricing is competitive I will most likely go with AMD because of its past socket support of course no guarantees that will continue