Tomorrow War on Amazon Prime !

[Trebdp83]

There are indeed UHD bluray discs. 4K is a bit of a misnomer as streamed or disc UHD is not full cinema 4K. UHD( 3840x2160), 4K(4096x2160).

4K vs. UHD: What's the Difference?

The terms UHD and 4K have become so conflated that TV makers, broadcasters, and tech media use them interchangeably—but they're not the same thing.

www.extremetech.com