I have two 32" 4K monitors on my M4 mini and find the text crisp for me. I would be after 5K or 6K for work space not because of text clarity. However that's just me I get everyone has different standards.
It should also be noted I'm pushing 50 and don't have the worlds greatest eyesight....
It should also be noted I'm pushing 50 and don't have the worlds greatest eyesight....