If you want to do GPU-intensive work on a laptop that can’t fit a high powered GPU (some of the desktop ones are quite large), then you can put it in an enclosu

If you want to do GPU-intensive work on a laptop that can’t fit a high powered GPU (some of the desktop ones are quite large), then you can put it in an enclosure like this and plug it in to your laptop. The GPU equivalent of an external hard drive.