I don’t have any experience with any brand other than AMD on Linux, but my understanding is that anything other than AMD dGPUs are a crapshoot if you’re wanting any more than display out.
Arc looks great, but the drivers are barely okay at Windows. I doubt 3D works acceptably in Linux.
Given Arc’s relative performance, for Linux grab a 6600-6600XT-6650XT-7600-6700-6700XT and call it a day. Don’t think too hard about it.