If you’re an Esports gamer or just play one online, a gaming monitor’s refresh rate is of utmost importance. Though newbies are content with a traditional 60Hz, more advanced users typically opt for the much-faster 144Hz, and the most discerning go even beyond that, all the way up to a stratospheric 240Hz.
But what does this glorious refresh rate get you compared to a monitor with a lower refresh rate? First, it will help significantly with motion blur. The more times a moving image can be refreshed in a second the smoother it will appear. Second, since the image is being updated a greater number of times you have the possibility of reacting quicker to whatever is happening on screen.
Source: IGN.com Play Faster Than Everyone Else with The Best 240Hz Gaming Monitors