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BasilZero said:

When you say Path Tracing, is that different from Ray Tracing?

https://www.reddit.com/r/pcmasterrace/comments/178glp1/thought_path_tracing_and_ray_tracing_are_same_til/
https://blogs.nvidia.com/blog/what-is-path-tracing/

It's basically the next step up from ray tracing, more accurately simulating the behavior of light for a more realistic and nuanced image. It's what offline renderers for film and tv use (at much higher sample rates, granted).