Can I only get 60 FPS on a 60 hz screen?

Estix

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Short answer: The GPU renders the frame, then throws it away :)
 
No, if you turn off VSync, then your FPS can exceed 60. If you use Triple Buffering, that will allow FPS over 60 with VSync turned On.

The question is whether you can "see" more than 60 FPS in a 60 Hz monitor. The answer is that your 60 Hz monitor cannot draw more than 60 frames per second. However, there still may more responsiveness in the feel of the controls with FPS exceeding 60 on a 60 Hz monitor. Your eyes do not see in FPS, so that is not an issue, it's more the 'feel' of the controls that counts. For most people, 60 FPS is smooth and responsive.

More on the subject:
http://www.tweakguides.com/Graphics_5.html
 


This is where a 120Hz monitor comes in handy. You don't need v-sync to get a good gaming experience on a 120Hz+ monitor. As a result, you don't get the corresponding input lag that comes along with v-sync.

Also, tearing with frames beyond the 120Hz mark are really hard to perceive. It's an all around smoother gaming experience with a 120Hz+ monitor.
 

Darkman69

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This is incorrect. I get tearing at above or below 60fps when Vsync is not on.
 

With a 120Hz monitor?

It won't be free of it, but it will be drastically reduced. Try setting your resolution to 60Hz to see the difference.
 


Maybe it's not tearing when you're below 60fps? Are you using AMD cards? Another possibility is when your framerate is low enough it can't deliver a frame to your monitor when it should in order to provide a smooth video experience. This is called stuttering.
 
Some of what matto17sec said is correct, though the vsync part was not. I'll try to explain.

Your video card renders frames independently from the monitor if v-sync is off. It can generating as many as it wants. However, the monitors only updates at its refresh rate, which is usually 60hz. However, if your video card is generating 120FPS, you will notice a difference from 60 FPS.

What happens is you get partial images displayed to the monitor. As the monitor updates the image, if the frame buffer changes midway through the update, the part of the update which hasn't been completed, will be completed with the new frame. This causes tearing, but it also improve responsiveness, because you do see a new update from an action you just did. This update, may only be on part of the screen, but it is noticeable. The bad part is you get what looks like lines through the screen, where the older image and newer images change.

With vsync on, the video card cannot write to the frame buffer until the monitor is done updating its image, preventing partial images from appearing. Without triple buffering, this causes the GPU to stop doing anything until that time. With triple buffering, it'll wait with one buffer, but start making a new frame with another, but it still will not generating more frames than your monitor can display.
 

Darkman69

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Movies and TV programs only put out what 24 to 30fpps max. Also I do believe that TVs so not even support true 120Hz and I believe it is some sketchy interlaced marketing crap and not true 120fps.
 
You have to have a 120hz monitor to know. Those with 120hz monitors do notice a difference. Though the difference is less noticeable if watching a movie, and more about how much more responsive gaming is. When moving your mouse, things feel much smoother.

One other thing that plays a part in the 120hz experience is motion blur. It takes these lightboost monitors to truly experience all that 120hz has to offer.

Example of 120hz with and without lightboost with 2ms response times:
http://www.blurbusters.com/zero-motion-blur/lightboost/
CROPPED_LightBoost10-300x100.jpg

CROPPED_60Hz-300x99.jpg

(these are actual high speed pictures)
 

Yea they take the 24FPS movie and create fake frames to make it 120FPS, which is why it looks crap.

Games however run at 120FPS just fine.
 

Darkman69

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Are there even any TVs that can run true 120Hz ? I don't think so but could be wrong. Also 240Hz is complete marketing bollocks.
 

While 120hz might not benefit completely from 120hz, the interlaced images can add some fluidity. Those with them notice some difference, but it doesn't take much to make 24hz look smoother.

240hz sounds like far more than needed, though these 600hz plasma's has more to do with light pulsing. I'm not entirely sure what these pulses actually do for you.
 

Darkman69

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You can add frames that do not even exist.
 


They process the images, and make motion half way between two images given. Just like there are 3D methods that takes a single 2D image, and renders a slightly offset image to make a 3D effect. It is not as accurate as it would be if filmed that way, but they can generate images to add to the effect.
 

Darkman69

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Once again you absolutely cannot add frames that were never created in the first place. A TV cannot created images it can only display them. I am sorry but blurring images together does not create a higher frame rate. This is pure marketing bull.