Tests by Jamie Portsmouth.

” Arnold 5.3 adds multiple scattering to its microfacet model for rough metals, which restores missing energy. Here are renders of 4 different metals (gold, copper, silver, and nickel) with roughness increasing from left to right, and multi-scatter on/off in successive rows. “

More examples here. Tutorial plug-in links: MtoA – MAXtoA – C4DtoA – HtoA – KtoA

Please read this first before using the Arnold GPU (Beta).

https://docs.arnoldrenderer.com/display/A5ARP/Getting+Started+With+Arnold+GPU

https://docs.arnoldrenderer.com/display/A5ARP/Supported+Features+and+Known+Limitations

https://docs.arnoldrenderer.com/display/A5ARP/Supported+Graphic+Cards

More great work from Digic.

https://blogs.nvidia.com/blog/2019/03/18/rtx-server-autodesk-image-engine/nt

https://www.fxguide.com/quicktakes/arnold-gpu/