Box64 and RISC-V in 2024: What It Takes to Run the Witcher 3 on RISC-V

I wonder if systems will ship at some point that are a handful of big RISC-V CPUs, and then a “GPU” implemented as a bunch of little RISC-V CPUs (with the appropriate vector stuff—actually, side-question, can classic vectors, instead of packed SIMD, be useful in a GPU?)