NVidia aslo have this technology call adaptive sync

http://www.geforce.com/hardware/technology...sync/technology


The problem is still there because screen tearing still occur below fps is below 60 when vsync off .

http://forums.guru3d.com/showthread.php?t=380120

check this.



now Nvdia solve this problem by having variable refresh rate for monitor

This post has been edited by piskin: Oct 20 2013, 12:35 PM

when v-sync on it will introduce mouse lag too

more about G-sync from guru3d

http://www.guru3d.com/articles_pages/nvidi..._article,1.html

Concluding

In the end we feel Nvidia G-Sync has the potential to be a game changer in the PC gaming industry. As even with the more mainstream graphics card you'll be enhancing your graphics experience greatly, think of it .. no more vsync stutter or screen tearing. That means silky smooth input lag free gaming at say 40 FPS. As such G-Sync has huge potential for the you guys the gamers, and the hardware industry.