SLI performance difference in Windows 7 and Windows 8.1

[reizona]

I have Lenovo Y510P. It has i7 4700MQ CPU and two GT755M. I am using Windows 8.1 but I would like to know what is SLI performance difference between Windows 7 and Windows 8.1

 

[TechyInAZ]

FPS?? If so then windows 8.1 will bring about around 3-5fps more fps at most on certain games.