The difference between 60Hz and 75Hz is that you can have 75 frames displayed per second instead of a max of 60. More frames is generally smoother, but most won't noticed the difference. After 50+ FPS, it feels pretty comfortable.
There are a lot of misconceptions about how many Frames Per Second (FPS) the human eye can perceive. I've seen arguments in these forums and other places where people say anything above 30 or 50 or even 60fps is a "waste", or isn't really noticeable. I guess these are all ways of justifying low framerates in games, but I found this article which explains this a bit more logically and factually Human Eye Frames Per Second. It's worth a read to clear up all the misconceptions.
There are a lot of misconceptions about how many Frames Per Second (FPS) the human eye can perceive. I've seen arguments in these forums and other places where people say anything above 30 or 50 or even 60fps is a "waste", or isn't really noticeable. I guess these are all ways of justifying low framerates in games, but I found this article which explains this a bit more logically and factually Human Eye Frames Per Second. It's worth a read to clear up all the misconceptions.
Quote:
The overwhelming solution to a more realistic game play, or computer video has been to push the human eye past the misconception of only being able to perceive 30 FPS. Pushing the Human Eye past 30 FPS to 60 FPS and even 120 FPS is possible, ask the video card manufacturers, an eye doctor, or a Physiologist. We as humans CAN and DO see more than 60 frames a second.
Thus, the big misconception that our eyes can only see 30 frames or 60 frames per second is purely due to the fact that the mainstream displays can only show this, not that our eyes can't see more. For the time being, the frames per second capable of any display device isn't even close to the phrase "more than meets the eye".
In terms of practical things we can do, I recommend that you:
- Make sure you use a refresh rate fix in WinXP so that your monitor runs at its maximum refresh rate and not 60Hz (which is terrible for the eyes). A good one for both Nvidia and ATI cards is Refresh Force.
- Set Vsync On. When Vsync is Off you may gain a few fps but the tearing is noticeable even on the best displays. This is because the monitor is limited in how many fps it can display at particular resolutions, so any higher and you're really seeing parts of images at 90fps for example, not the whole image.
- If there is a MaxFPS line in the ini file for your game then set it to your monitor's refresh rate. This seems to help reduce fps spikes and provide much less jerky/stuttery gameplay. By capping your FPS in the game engine to your refresh rate, along with Vsync on, you get less tearing but more importantly you get smoother fps. Setting a high MaxFPS is a placebo...it doesn't seem to improve performance as is often thought and in fact often results in more stuttering not caused by disk activity.
Link to the source.....
http://forums.overclockers.com.au/showthread.php?t=2071...
The link to the second article ...
http://amo.net/NT/02-21-01FPS.html
The overwhelming solution to a more realistic game play, or computer video has been to push the human eye past the misconception of only being able to perceive 30 FPS. Pushing the Human Eye past 30 FPS to 60 FPS and even 120 FPS is possible, ask the video card manufacturers, an eye doctor, or a Physiologist. We as humans CAN and DO see more than 60 frames a second.
Thus, the big misconception that our eyes can only see 30 frames or 60 frames per second is purely due to the fact that the mainstream displays can only show this, not that our eyes can't see more. For the time being, the frames per second capable of any display device isn't even close to the phrase "more than meets the eye".
In terms of practical things we can do, I recommend that you:
- Make sure you use a refresh rate fix in WinXP so that your monitor runs at its maximum refresh rate and not 60Hz (which is terrible for the eyes). A good one for both Nvidia and ATI cards is Refresh Force.
- Set Vsync On. When Vsync is Off you may gain a few fps but the tearing is noticeable even on the best displays. This is because the monitor is limited in how many fps it can display at particular resolutions, so any higher and you're really seeing parts of images at 90fps for example, not the whole image.
- If there is a MaxFPS line in the ini file for your game then set it to your monitor's refresh rate. This seems to help reduce fps spikes and provide much less jerky/stuttery gameplay. By capping your FPS in the game engine to your refresh rate, along with Vsync on, you get less tearing but more importantly you get smoother fps. Setting a high MaxFPS is a placebo...it doesn't seem to improve performance as is often thought and in fact often results in more stuttering not caused by disk activity.
Link to the source.....
http://forums.overclockers.com.au/showthread.php?t=2071...
The link to the second article ...
http://amo.net/NT/02-21-01FPS.html
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