hi bingbippo, its sadly a problem from Unity, vsync can help a bit to max the framerate to you screen output. but if you have a 144hz or 288hz monitor it can still take a lot processing power. the only solution i can think of would to go in the NVIDEA Systemcontrol and set there Double buffer or even tripple buffer V-sync aditional. maybe a 60hz framerate cap too.
i whish you good luck and have fun