v-sync lock in 60 fps

G

Guest

When v-sync is enable in games the FPS doesn't go higher than 60 FPS. That
didn't hapen with windows XP.

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M

Michael Palumbo

redrunner said:
V-sync has always locked video at 60fps. That's how it works.

Actually, it locks the video at the refresh rate your monitor is set.

With CRTs this was a very important setting as for most, anything lower than
72 Hz was noticeable as "flicker" and would often cause many to report eye
strain and head aches.

With LCDs it's not quite as important, even when using an VGA connection
since the screen doesn't actually refresh, it just changes the appropriate
pixels when ordered to do so, so there is no flicker.

However, the ADC on an LCD using the VGA connector does have a refresh rate,
of sorts . . . this is basically how often the monitor can receive
"refreshed" information from the video card using the VGA (analog)
connector. So the monitor and the video card use the same sort of
communication that a CRT would use. Thus; a refresh rate is needed to be
set from the video card. Usually 60 or 72 Hz.

Even using the DVI connector, the video card is still using a sort of
refresh rate internally, and it reports to the OS an refresh rate, usually
60 Hz, so setting a game (or in your video card options, forcing V-sync)
will lock you to a maximum of 60 FPS.

If your monitor is reporting to the OS anything other than 60 Hz, say, 72
Hz, you will have a maximum of 72 FPS, and so on . . .

Mic
 

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