I have a Huawai MateBook E Signature and an iPad Pro 12.9" at home. When it comes to being used as a _tablet_ meaning no keyboard, just me and the slab of glass, I 100% prefer the iPad. The UI is better for touch interaction (even with Windows in 'tablet mode'), because all the touch targets are larger and the gestures are more useful for going from app to app. When I hook them up to keyboards, that equation changes a little because the MateBook has a trackpad, something I always reach for when I connect my iPad to my Brydge keyboard.
Also, for the things that I do on tablets (kitchen screen/speaker, audio editing, couch surfing, and light gaming) the iPad Pro just fits the bill better for me. The MateBook is a fine device, I just am never reaching for it first in any circumstance (the screen is particular is really nice). I'm also way deeper in the iDevice ecosystem, AND have been using iPads for 8 years, so I'm just way more comfortable with it.
That said, I'm looking to get rid of it, so PM me if you're interested.