I don't understand how someone can use a non-Retina level DPI monitor in 2025. Macbooks, iPhones, and iMacs have super high DPI screens, and anything else just looks grainy and terrible imo.
For a litle more money, you can get a 5K 27-inch from ASUS, which meets 218DPI and is on the level of the Apple Studio Display for half the price. BenQ has a similar one coming out soon.
I can give you my anecdotal experience. I've got a thread dedicated to my research and decision process, but here's the bottom line...during late 2024 holiday shopping season I was shopping for 4 or 5K 27 or 32" brand name displays with good reviews, hoping to get good quality on a budget (and a sale!), but wanted USB-C-DisplayPort-Alt mode handling DP 1.4. I didn't have a chance to observe a 32" 4K display using a Mac in person, and since some people thought that res. was too low on a 27", I wasn't willing to take the chance.
After exhausting research and handwringing, I got it down to these 2:
1.) Dell U2723QE - 27", 4K, hub monitor. Then on sale at Amazon for $434 + tax.
2.) ASUS 27", 5K, monitor - very recent release. No sales, too new. B&H Photo & Video had for the standard $799, but use the Pay Boo credit card (no annual fee) and get instantly refunded the sales tax.
Wow, it'd cost $338.96 extra for me to get 5K over 4K. I was gradually steeling myself for the pain of paying for that ASUS when Woot! came out with 'open box' condition U2723QEs in a limited supply. Basically new condition with a hole in the box, arrived on my front porch for $320.50 with tax. Now, it'd cost me $478.50 extra to get 5K.
Nope.
Side-by-side with my old 2017 27" 5K iMac, the Dell's text looks plenty sharp. I saw a bit of difference in color, and needed to run the Dell at a higher brightness level, but I'd have to go looking to discern a difference in sharpness of text on this forum, definitely not 'grainy and terrible to me.'
But it might look that way to you. But here's the thing; the 4K vs. 5K thing is a lot like the 60-Hz vs. 120-Hz thing. The sequel to my Dell is 4K, 120-Hz, and I think price close to $700.
So, what's better, 4K at 120-Hz or 5K at 60-Hz and another hundred bucks?