It actually looks quite good in my experience. Definitely better than the "ultrafast" preset on CPU encoding. I use CRF though mostly for GPU encoding which sh

It actually looks quite good in my experience. Definitely better than the "ultrafast" preset on CPU encoding. I use CRF though mostly for GPU encoding which should remedy the issue at the possible cost of file size (didn't seem to be a significant increase, but was a slight one). I'm also talking HEVC and not H.264 though primarily - and using NVENC not a CUDA based encoder as your link mentions. I've also seen it mentioned that things have improved a lot on the newer GPUs, so might be worth a try again if you've got a 10xx card around.