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is this true?

No, it's not true. LCD's are not fps limited, but if they go over their refresh rate there is going to be tearing.
Ex. If your lcd is 60 hz then if you go above 60 fps you will get tearing. The solution to this is to use v-sync. The image will look much smoother, but your fps won't exceed 60 fps.
 
what is v-sync?
i am not agree with u about refrsh rate coz refresh rate does not matter on lcd im just worried about fps frame per second
 
i mean refresh rate is on lcd but does not matter but on crt refresh rate matter alot
tearing is not on lcd coz lcd dont have flicker
 
Dreamsbetray said:
i mean refresh rate is on lcd but does not matter but on crt refresh rate matter alot
tearing is not on lcd coz lcd dont have flicker
Click to expand...

Refresh rate on lcd does matter, but you just can't tell as much. Crt matters alot more because you can tell, but you don't need v-sync because crt's don't tear. If you go over 60 fps with a 60 hz lcd, you will see tearing, that's why there is vertical-sync. And tearing has nothing to do with lcd's not flickering.
 
ampedxc27 said:
Refresh rate on lcd does matter, but you just can't tell as much. Crt matters alot more because you can tell, but you don't need v-sync because crt's don't tear. If you go over 60 fps with a 60 hz lcd, you will see tearing, that's why there is vertical-sync. And tearing has nothing to do with lcd's not flickering.
Click to expand...

Noob question: Is "tearing" physically harmful to the LCD?
 
lol, no, it's only "harmful" to the image you see on the screen.

Tearing is just the name for a visual artifact.
 
Tearing occurs regardless of display type or refresh rate, It is simply a result of the image being sent to the screen being updated while its in the middle of displaying the previous image. This occurs on the video card of things, not the display end.
 
squeezee said:
Tearing occurs regardless of display type or refresh rate, It is simply a result of the image being sent to the screen being updated while its in the middle of displaying the previous image. This occurs on the video card of things, not the display end.
Click to expand...

That makes more sense, because I thought about it, and people wouldn't be spending 700 or 800 bucks of SLI vid cards to get 120 fps rates in the latest games if no monitor could support such a fps rate.

Some of you don't know what you're talking about.
 
Most LCD's support 75Hz, no?

So you should be able to get a 75 FPS framerate if you turn vsync on, resulting in a +15 FPS increase and no tearing.
 
jaguax said:
Most LCD's support 75Hz, no?

So you should be able to get a 75 FPS framerate if you turn vsync on, resulting in a +15 FPS increase and no tearing.
Click to expand...

The vast majority of LCD screens only support 60Hz, considering the response times of the panels there is little reason to have support for higher refresh rates.

The problem with turning V-sync on regardless of refresh rate, is that v-sync requires updates to only happen on each screen refresh. Which means that you are limited to a maximum of 60fps on a 60Hz panel, this wouldn't be a bad thing if you were guaranteed those 60fps. The problem is that each frame -MUST- be ready before the next update, if the frame isn't ready then it must wait for the next refresh to be displayed.

This is a somewhat vicious cycle, if one frame takes too long then it delays the next frame and the next, etc. Which is why you'll often see framerates drop in half turning v-sync on.
 
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