Dand

Your problem does indeed sound like a driver issue, I had exactly the same with my new card last year, it was all singing – all dancing but the performance was terrible, it wasn’t until I updated the drivers that my problem was solved and it flew along (pardon the pun), go to your manufacturer’s website, also try turning off Vsync in your graphics card settings and see if that makes a difference, you will have to search in your settings for this to find it, I am at work so cannot guide you.

Let us know

Dean