Monitored Nvidia GPU clock speed,and its constantly fluctuating +- >100Mhz. Is it normal? I have msi gtx 1060 6gt ocv1,and for GTA 5,even though extended distance scaling increasing USES VRAM memory but it still does not exceed the limit bar as I have 6gb vram memory.But don't know why fps decreases on Increasing it ,as it should not,its well in limit in vram bar.