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Nvidia GeForce RTX 20 Series and Real-Time Ray TracingNvidia has announced the upcoming launch of its RTX 2080 Ti ($1000-$1200, September 20), RTX 2080 ($700-800, September 20), and RTX 2070 ($500-600, October) GPUs. You didn't read that wrong, the 'R' is for Ray tracing. The key feature they are touting is real-time ray tracing using "dedicated" ray tracing (RT) cores. The tensor cores for machine learning are also used to help ray tracing by denoising. Here is an example of how that can work: Nvidia's keynote presentation at Gamescom 2018 included a demo of the Eidos Montreal game Shadows of the Tomb Raider, using the real-time ray tracing technique, highlighting improvements made to shadows. Earlier in the year, Microsoft announced a DirectX Raytracing API. Similar improvements are being made to Vulkan. There are a lot of questions raised here. How and when will AMD respond, for example? But most importantly, could/will a hybrid ray tracing technique ever be applied to TDM?