IIRC that Delta is basically a portable RAS.  Nice get Hairy😎 
I never thought of it like that, but, I'd say you're kinda right.

Through cuts only, no dado blades. No rip cuts. But I'm 1 who says rip cuts are wrong for RAS. 

Also different from a compound miter saw, but all 3 share some uses. 
 
I made money with my tools since I was 18. I retired 14 years ago, it's just for fun now.

You don't always get what you go after,but you do get what you wouldn't have got if you didn't go after what you didn't get. Blaze Foley