Screen Tearing or Input Lag? To Vsync or Not to Vsync?
Screen tear or input lag? To vsync or not to vsync? For the longest time, this was an either-or question in the PC gaming space. You could either have a tear-free, properly frame-paced image or low input latency. You couldnt have both. Or could you? Well that depends. If you already have a modern gaming monitor that supports variable refresh rate (FreeSync or G-Sync), you don’t need to use this guide at all. But if you have a regular, fixed refresh rate monitor, or if you like to play games ...
Nvidia Control Panel Rivatuner Statistics Server How Many Frames Per Second High Precision Event Timer Grate Test
Source: techspot.com