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Ray tracing isn't new technology, but the release of Nvidia's 2000-series RTX GPUs saw a massive resurgence in interest for it. Even so, it's taxing on even high-end gaming PCs, and game support remains limited, though that looks to be changing. You don't even need an RTX graphics card to jump in; Nvidia opened it up to Pascal and non-RTX Turing cards earlier this year, though you will notice significant performance hits.
Full story from the WindowsCentral blog...
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