What good is fps greater than my monitor can display

In march I got a new setup, went from 20 fps to greater than 100. My monitor is limited to 75, I set the limit to 75. Is there a benefit to setting it greater? If so what is it.
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If it ever dips it’s likely to not dip below 75 from 100 but if it dips from 75 then your not meeting your target?

There is 0 benefit. Pushing for FPS than your monitor can display will cause screen tearing.