What values to increase to enable clean rendering with RT

[mitviz]

not sure which of the _RT values to increase to get cleaner renders with RT and GPU, i find it now hard to work without RT these days so would love to know, also RT renders are darker than regular production rendered images i see, any reason for this?

[savage309]

@mitviz

not sure which of the _RT values to increase to get cleaner renders with RT and GPU, i find it now hard to work without RT these days so would love to know, also RT renders are darker than regular production rendered images i see, any reason for this?

V-Ray GPU is different render engine, results are not meant to match 1:1 with Adv. Although differences can be in some cases bugs.
Here are some tips about V-Ray GPU rendering Short guide to GPU rendering with V-Ray RT. – dabarti

Best,
Blago.