There are some neat tests one can run to find out where the differences really start to fall off at testufo.com
For example this one is a good test for DOTA/LoL, RTS or Civ players in screen panning.
https://www.testufo.com/framerates-v...re=2&showfps=1
You can play around with how different refresh rates compare.. make sure Windows itself is running at 144 or whatever your monitor is capable of and you can throw in different refresh rates to see the comparisons to get an idea where your own eyes stop being able to see a difference.