topic Re: Arnold GPU hair color too different from the CPU verions in Arnold GPU Forum https://forums.autodesk.com/t5/arnold-gpu-forum/arnold-gpu-hair-color-too-different-from-the-cpu-verions/m-p/11057038#M393 This answered the question I was about to ask, but just to be clear - I had to up Specular Depth to *10 samples* to get even close to the look on CPU. Thu, 10 Mar 2022 12:30:07 GMT daniel2SH2D 2022-03-10T12:30:07Z Arnold GPU hair color too different from the CPU verions https://forums.autodesk.com/t5/arnold-gpu-forum/arnold-gpu-hair-color-too-different-from-the-cpu-verions/m-p/11057036#M391 <P>Guys I've this strange problem. The shader (aiStandardHair) I'm using is the same for GPU and CPU but the result in color is correct on the CPU but completly wrong on the GPU you can see some example attached. I've tried both with xgen and Yeti</P><P><span class="lia-inline-image-display-wrapper"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1046474iD2CE89119B43961F/image-size/large?v=v2&amp;px=999" title="xgencpu.jpg" alt="xgencpu.jpg" /></span><span class="lia-inline-image-display-wrapper"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1046475i509A1E9AC04C1D09/image-size/large?v=v2&amp;px=999" title="xgengpu.jpg" alt="xgengpu.jpg" /></span></P> Mon, 31 Jan 2022 14:34:02 GMT https://forums.autodesk.com/t5/arnold-gpu-forum/arnold-gpu-hair-color-too-different-from-the-cpu-verions/m-p/11057036#M391 mattsketch 2022-01-31T14:34:02Z Re: Arnold GPU hair color too different from the CPU verions https://forums.autodesk.com/t5/arnold-gpu-forum/arnold-gpu-hair-color-too-different-from-the-cpu-verions/m-p/11057037#M392 <P>You'll have to increase the Specular Depth in the main render settings.</P> Mon, 31 Jan 2022 15:42:51 GMT https://forums.autodesk.com/t5/arnold-gpu-forum/arnold-gpu-hair-color-too-different-from-the-cpu-verions/m-p/11057037#M392 Stephen.Blair 2022-01-31T15:42:51Z Re: Arnold GPU hair color too different from the CPU verions https://forums.autodesk.com/t5/arnold-gpu-forum/arnold-gpu-hair-color-too-different-from-the-cpu-verions/m-p/11057038#M393 This answered the question I was about to ask, but just to be clear - I had to up Specular Depth to *10 samples* to get even close to the look on CPU. Thu, 10 Mar 2022 12:30:07 GMT https://forums.autodesk.com/t5/arnold-gpu-forum/arnold-gpu-hair-color-too-different-from-the-cpu-verions/m-p/11057038#M393 daniel2SH2D 2022-03-10T12:30:07Z