My biggest issue with the 4k iMac is that it's highest scaling option (smallest elements) is less than what you get on a regular 4k display.
The iMac I belive is capped at "looks like 2560x1600" while my 4k display "looks like 3008x1692".
The iMac I belive is capped at "looks like 2560x1600" while my 4k display "looks like 3008x1692".