No idea how much you're spending so I would say get a laptop with a 3080Ti, something like one of the MSI Raiders with a high TDP. Allegedly about the same performance as a 1080Ti. My 1080Ti ran Horizons fine with 4790K PC on my G1 if I turned the settings down a bit. EDO was an aliased mess though. I'm going to guess ( but it is just my speculation ) that such a laptop will run better than my rig did because they come with Alder Lake now.
Of course that means spending thousands and thousands for 1080Ti performance which I wouldn't do personally but if 'compact' is king for you then this might be a way.