I've only ever used CA on a Mac laptop so I don't have anything else to compare to. I currently have a 2018 MacBook Pro 15" 2.9Ghz 32 GB 2400 Mhz RAM.
I have it flanked by two 27" Thunderbolt displays, which gives me loads of area to spread my work out.
The only unresolved glitch I have is that it doesn't play nice with imported PDFs, so I convert them to JPGs.
I like to take it to the job site to field measure, or take it into presentations. In our conference room I run the presentation from the conference table onto a wall display.
I guess portability is a big deal to me. But portability isn't exclusive to a Mac. It's just that a Mac is what I use, and I'm pretty happy with it.