I've used Dex with a high-end tablet and the input lag shows. You can see that the letter drag a little before being rendered. Quickly doing stuff like changing

I've used Dex with a high-end tablet and the input lag shows. You can see that the letter drag a little before being rendered. Quickly doing stuff like changing windows is not reliable and often makes you go to the wrong window if you do it fast. It's usable, of course, but it's far from the experience of a "normal" laptop.