Eh... it's extremely good and more than I expected, but it's not quite 4k quality IMO. Not because I can see the pixels (I can't), but just because of very slight inconsistency across the field of vision, and motion blur when I move my head.
That big span of numbers should be fairly revealing of its display capabilities, with all the lines and columns.
How is the fringing and aliasing as you look at different angles?
Is a large pdf filled with math and tables comfortable to spend a few hours with taking notes?
https://kguttag.com/2024/02/05/spreadsheet-breaks-the-apple-...
I love it when someone smarter and more diligent than me does the work :)