I’m an architect but also hardware enthusiast, any of those CPUs will be useful only if you use cpu for rendering, since you said you are interested on fast rendering, a gpu will do it a lot faster, for sketchup and almost all the 3D softwares on the market it isn’t necessary having a lot of cores, cause this kind of programs use only one. What I would do is get a cheaper cpu like an intel i5 13600K/KF that has the same single core performance than the i9 and get a better gpu, like the 4070ti, 4080 or 4090, that will improve the rendering times more than a cpu with 64 cores. I have an i7 13700K and a friend also architect got an i5 13600K, we both have the 4070ti, we’ve made some tests rendering on different softwares, and the results are the same, cause neither the i5 or the i7 will bottleneck the gpu. If you want to go with AMD, the 7700X is more than enough for sketchup and can handle a 4090 without bottleneck as well.
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