There's a video link to Youtube where they show a rather impressive scene rendered with a 2080Ti, except for the end carousel which required a Titan due to memory requirements, though it's exceedingly complex. Given how fast ray tracing is evolving, calling it a gimmick and a niche feature is quickly becoming a misnomer, and may do a lot to hamper sales of Navi Refresh cards later this year...
https://wccftech.com/nvidia-researchers-demonstrate-new-raytracing-algorithm-that-can-render-direct-lighting-from-millions-of-dynamic-light-sources/
