New render farm builds - Dual CPU vs Single CPU

[joseph_perenia1]

I'm refreshing our render farm hardware and we're currently trying to decide between dual CPU vs single CPU builds. A good amount of our projects include Vray so I'm building around this.

I checked out the hardware requirements page and an old forum post, and it mentions that dual CPUs don't perform as well as single CPUs. Is that still the case? We're looking at the AMD EPYC CPUs for this purchase.

[Morbid Angel]

I would advise against buying epycs for rendering. Those machines are generally made for virtualization, to run multiple vms. If you are really thinking of high performance I just built two of these: AMD Ryzen threadripper 7980x, 64 core. This is not the top end cpu though, I think they have another variant 7995wx thats got 96 cores. Anyway, the performance on that cpu is insane. And it being a single cpu it does not suffer from some of the threading issues dual multi core cpus have. I would highly recommend you look into these.