NVIDIA Pascal (1060, 1070, 1080 and their TI variants). NVIDIA also provides a ray tracing fallback for some previous generation graphics cards: NVIDIA Turing (2060, 2070, 2080, and their TI variants). The graphics cards with full support are: Ray tracing hardware acceleration is only available on certain graphics cards. Integrate ray tracing into your HDRP Project. Now, with recent advances in GPU hardware, you can make use of ray tracing effect in real time. While film production uses ray tracing extensively, its resource intensity has limited its use to offline rendering for a long time. For example, you can use it to request position data, normal data, or lighting data, and then use this data to compute quantities that are hard to approximate using classic rasterization techniques. 
Ray tracing is a feature that allows you to access data that is not on screen.
The High Definition Render Pipeline (HDRP) includes preview ray tracing support from Unity 2019.3.
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