What happens if you run a game with ray tracing only on the processor without using a video card? Tests have shown that there will be 1 fps

by alex

True, the CPU model is unknown

Modern video cards already cope well with ray tracing, although a lot depends on its implementation. Now it is possible to run tracing on the CPU.  

The developer of the Mesa library has implemented support for ray tracing on the processor in Vulkan and tested in Quake II RTX. Even at 720p resolution, performance was only 1 fps. True, for some reason the authors did not indicate the processor model, which makes the tests not particularly clear, but, on the other hand, it is unlikely that professionals would use some old CPU for such a task. 

Be that as it may, if the most powerful modern CPUs with a huge number of cores can already cope with games that are undemanding by modern standards without a GPU at all, they are still unlikely to be able to do ray tracing. 

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