StaxRip and H265

[barbatrukko]

Hi,
I using very mouch megui with x264 encoding (3pass mkv) and have very nice result with good quality in low space.
Now i would start using x265 for best result and test.
With StaxRip I have this problem. I can with my Nvida card make a very fast conversion with H265 encoding (but one pass only) or when I try to use x265 with multiple pass (2 or 3) I have very very slow time.
So i have and encoding of 6-10 min with discrete quality with nvida h265 encoding (130fps) or a very good encoding with x265 encoding multi pass but very vert slow (5fps).

I would like an intermediate result, something that takes 30-40 minutes and is better than the single 7 minute pass. Possibly exploiting the computing power of the GPU. Why can't use multiple pass with H265 nvidia codec?
I woul duse for massive reconvert some video.

[hdfills]

i have encoded alot with staxrip with both cpu and gpu and for me quality wise the cpu wins hands down , patients is the key

[barbatrukko]

i have encoded alot with staxrip with both cpu and gpu and for me quality wise the cpu wins hands down , patients is the key

now you use other to encode?
And why H265 Cuda don't allow multiple pass?