Although I haven’t used these monitors, my experience with high dpi on windows and Linux has been a nightmare compared to OSX. It’s surprising me the non Mac world hasn’t made this a bigger priority.

I actually think Windows does it better than OS X (and Gnome, Wayland, and anything that does not support true fractional scaling). OS X just scales the entire surface and as result it always look blurry.

> OS X just scales the entire surface and as result it always look blurry.

I genuinely have zero idea what you are talking about. Typing this from my macbook connected to a 5k LG ultrawide monitor, and it is as crystal sharp as it can get. As opposed to my windows 10 desktop (connected to the same monitor) having some occasional application windows render fairly blurry and inconsistently (one of the main offenders of this is, ironically, task manager). And don't even get me started on font rendering in general.

OS X not only uses a lame hack to scale, it completely muddles the issue by introducing the concept of "HiDPI" UI elements. Somehow I can set my 4K monitor to use "native resolution" at 3840 x 2160, and yet the UI and fonts look fuzzy! Absolutely terrible, and a complete embarrassment for Apple imo since they are supposedly the UI kings. You only don't notice the issue because you're using a 27" 5k display, which has been "blessed" by Apple as the "correct" DPI to match native screens. For those of us with 4k screens (95% of the market), I guess we're just supposed to enjoy a subpar experience. Even X11 looks better.

For me, I only closed the book on the issue after finding BetterDisplay [0]. Basically a 3rd party program that gives you complete control over resolution, display density, and a ton of other options on MacOS. It has a trial mode but it is well well worth the money. With that + the CLI tweak to set font smoothing to 0, the 4K experience on MacOS looks decent. You can even decrease the effective scale of the native screen past "More Space", so those of us with good eyes can actually take advantage of the screen real estate.

Also, if you're curious to explore this issue beyond my subjective thoughts here, these [1] [2] blog posts do a great job diving into what is so bad about MacOS scaling, why 4K 27" or 32" screens end up looking bad, and why 5K 27" look okay.

[0] https://github.com/waydabber/BetterDisplay

[1] https://bjango.com/articles/macexternaldisplays/

[2] https://bjango.com/articles/macexternaldisplays2/