Samsung has announced the Galaxy Z TriFold, a foldable phone comprised of three ultra-thin (~4mm) panels and two sets of hinges, that unfolds into a 10-inch tablet. When closed, it resembles a standard smartphone with a 6.5-inch display that is 12.9mm thick. Because the main screen is so large, Samsung has created a "standalone" version of Samsung DeX, meaning it can switch to a PC-like desktop mode without attaching ...
If you drop the “cutting edge” condition instead, you could grab a Fairphone, which ticks all the other checkboxes.
Unless you game on your phone, you won’t notice a thing between modern high end and low end phones as long as they put enough RAM in.
Samsung is the opposite of everything you mentioned besides cutting edge.