my setup:
win10 with 3 monitors: 4k 27" monitor and two 24" 1920x1080 monitors.
windows suggested 150% dpi for the 4k and 100% for the others.
4k looks great but the 24" (with 100% dpi!) looks terrible. The text is all blurry.
I saw many similar issues (sorry, can't post links yet)
and tried the...