[Stewart=B]

Also does it smooth framefrate.

 

[Crooksy]

v sync just locks you fps to your monitors refresh rate thus only showing one frame per refresh, this will stop tearing and make the game look smoother, it is not recommened for games you may play competitively as it can produce "lag"

 

[VincentJ]

Here is your answer. http://en.wikipedia.org/wiki/Vertical_synchronization

 

[murderbymodem]

http://lmgtfy.com/?q=Vsync

 

[Gizmo]

Quote:

Originally Posted by JordanWillis v sync just locks you fps to your monitors refresh rate thus only showing one frame per refresh, this will stop tearing and make the game look smoother, it is not recommened for games you may play competitively as it can produce "lag"

Was about to post that I thought it was locking the frames per second to a multiple of the refresh rate, but thankfully I did a tad bit of research first and it looks like JW is spot on.

 

[e_dogg]

It eliminates tearing in images at the expense of frame rate. It basically locks the frame rate to your monitor's refresh rate which is typically 60hz for LCD monitors. Some people claim they can see the difference between 60 fps vs. 150 fps but for us mortals, you won't notice a difference.

 

[DuckieHo]

It syncs frames updates to multiples of the monitors refresh rate (i.e. 60Hz).

It eliminates tearing but:
1) cause stuttering if your average FPS are around 60FPS or less.
2) increases input lag because the card waits to sync