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YuppityYap

PC-1920x1080 @ 144hz vs Ultra HD-1920x1080 @ 120hz?

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Posted · Original PosterOP

So, I was just looking around in my nvidia control panel and I came across 2 categories of resolution. "PC" and "HD, Ultra HD" ( See images) It seems as though they are the same except one runs at 144hz and one runs at 120hz. What are the other differences of the two?

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None besides refresh rate, go for the 144hz mode man!


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I never figured out why they're grouped that way, but 1080p is 1080p. 


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Posted · Original PosterOP
6 minutes ago, Abyssal Radon said:

None besides refresh rate, go for the 144hz mode man!

That's strange why one refresh rate is lower than the other, but thanks for the incite.

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6 minutes ago, YuppityYap said:

That's strange why one refresh rate is lower than the other, but thanks for the incite.

HDMI carries less bandwidth than DP. At least at this point, HDMI 2.1 is out, but there aren't any graphics cards that supports HDMI 2.1 yet. But DP 1.3/1.4 can carry a lot more bandwidth than HDMI 2.1.


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Considering how it's grouped, it probably has more to do with how Nvidia groups certain resolutions to certain selections for certain reasons, probably to make it easier when running your card on a TV. Just run at 144Hz.


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HD section is for formats using CTA-861 timing (TV standardized formatting). It's a technical detail that doesn't affect anything and doesn't matter. I don't know why NVIDIA groups them that way (and then doesn't even display the parameters that make them different). But basically it doesn't matter, it just means the refresh rate options will be split into two different menu options, since 144 Hz isn't a CTA standard format.

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