Compromising Refresh Rate for Resolution?

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jaden43129

jaden43129

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Dec 21, 2012
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I was wondering if it's possible to increase resolution of my 1080p 144hz monitor to dish out 1440p but at a lower refresh rate, higher than 60hz.

I attempted to use DSR then changing my resolution via the windows display settings. From there I went to the Display adapter properties and changed the refresh rate.

What I first noticed was that the highest resolution at 144hz that Rocket League would recognize was 2103x1183

So, I then went on to change my refresh rate in the display adapter properties to 120hz and turns out it recognized 1440p as a resolution.

My only problem is that I was unable to test if the refresh rate was indeed 120hz and if the response time of the monitor suffered from the change.

Anyone have an idea if this worked or how the refresh rate along with the response time could be tested?
 
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Dunlop0078

Dunlop0078

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No lol, the pixels your monitor has is a physical thing its not going to up and grow thousands more pixels because you turn the refresh rate down. If you're familiar with cpu's think of it like this the clock speed of the cpu is say 4.5ghz this would be comparable to the refresh rate of the monitor you can adjust it I could make my monitor run at 30hz or 60hz I can make my cpu run at 3.5ghz or 4.5ghz, I cannot however add more cores to my cpu if I turn down the clock speed that is essentially what you are asking, you cannot add more pixels to a monitor.
 
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jaden43129

jaden43129

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I know the physical pixels won't increase, but downsampling is a much better anti-aliasing method. What I simply want to see is if I can downsample from 1440p and keep a considerably high refresh rate without compromising response time.
 
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B

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DSR is a type of downsampling. What it does is render at a higher resolution, then the GPU shrinks that image to fit your given resolution. It has no effect on your refresh rate. Custom resolutions will do something similar, but they do have refresh rate changes, but that is another issue.

If you want more resolution available, you have to go into the Nvidia control panel, and add more options to DSR which makes it available in game and at the desktop. Be aware that some games may not support some of these resolutions, which is probably why you did not see it in the game you tried it in.
 
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jaden43129

jaden43129

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I see, it still remains a mystery to me how Rocket League didn't pick up on the resolution though, it picked up all of the 16:9 resolutions when I decreased the refresh rate. I know the game is very flexible with resolutions because I've gone as far as doing a surround setup with different aspect ratio monitors and it still recognized the weird 4xxx by 1050 resolution it came out to be.
 
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Dunlop0078

Dunlop0078

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I do not agree that downsampling is a better AA option, not the way DSR works anyway. I think it looks very blurry with DSR smoothness set high and it still shows aliasing when set low. I have always thought of it like vasaline on the screen FXAA, with the performance hit of MSAA or more. But that's just my opinion, like said above this should have no effect on refresh rate.
 
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rcald2000

rcald2000

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+jaden43129 I applaud your attempt to use DSR on a 1080p display. However, I don't understand the logic in explicitly lowering the refresh rate of your display. When you enable DSR in Nvidia control panel, and in-game, the resulting refresh rate will already be depressed due to the GPU processing overhead of DRS (Dynamic Super Resolution). In the past I used it on my 3440 x 1440 60 Hz display. I enabled the feature, and then in GTA V I increased DSR to 2.5X. My goal was 4x, at 3440 x 1440 resolution, but the boundary of the 6 GB of VRAM on the GTX 980 Ti was the limiting factor.
 
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jaden43129

jaden43129

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The problem was that I seemed to have ran into an old thread about DSR which had issues keeping a high refresh rate when downscaling. Yes, I now know that the refresh rate isn't affected by DSR. As for the downsampling options, the game I was testing it on which was Rocket League, has very crappy AA methods that don't do much to reduce the jagged edges so I wanted to find a way to downscale the game. I do agree that the text looks horrible but it doesn't bother me since all that I use that particular monitor for is gaming in which I found the text to not be as bad as say in chrome or any windows text.

I did in fact go back and tried 1440p at 144hz with DSR and it worked just fine.
 
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