The Portal 2 RTX Remix path tracing mod looks incredible, but its improvements come at a very high cost, as path tracing in the game is so demanding that it utterly destroys performance at 4K resolution on an RTX 4080 GPU. A new comparison put together by MxBenchmarkPC does a great job highlighting how demanding path tracing can be. At native 4K resolution, the framerate drops from around 200 and 300+ FPS to the low 20s and 30s range, depending on the scenario, on an RTX 4080 GPU, which should be more than capable of delivering higher framerates even with […]
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