I think you’re confusing z1 with z1 extreme. From what I’ve read z1 performance is very similar to the deck’s so the main argument for the ally would be easier game compatibility (for fortnite/gamepass in this case)

You can play pretty much anything on it given enough tinkering. It’s just a PC.

I agree, although I think there are valid reasons not to sometimes.

1. Power consumption, the deck might not use a lot of current but the 4090 will for sure haha

2. Slightly less straightforward, you need to care about streaming resolution, active display, hdr (deactivating it usually) and stuff like that

3. Some games might not have cloud saves and that means you’ll have to choose between local or streaming (or setup some kind of sync yourself)

imo it’s worth it but I also enjoy the process so I’m biased. I always find it magical to be able to do that.