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Confused over recent adds 1080p 144Hz
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djmorgan
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Default Confused over recent adds 1080p 144Hz - 06-15-2017, 23:42 | posts: 90 | Location: Gold Coast Australia

I am confused if using a nVida card the control panel will show 1080p as 60Hz so how can it be 144Hz at the monitor?

And doesn't 60Hz mean 60 +/- fps at the monitor.
   
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RealNC
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Default 06-15-2017, 23:48 | posts: 989

Eh? If you select 60Hz in the control panel, the monitor will run at 60Hz. If you select 144Hz, it will run at 144Hz.

Not sure I understand the question :-/
   
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Default 06-15-2017, 23:58 | posts: 90 | Location: Gold Coast Australia

Quote:
Originally Posted by RealNC View Post
Eh? If you select 60Hz in the control panel, the monitor will run at 60Hz. If you select 144Hz, it will run at 144Hz.

Not sure I understand the question :-/
Yesterday Guru ran this advt: http://www.guru3d.com/news-story/iiy...free-sync.html


It seemed to me it was saying that a 1080p monitor/resolution could be 144Hz! now with my GTX 1080ti I know if I have a native resolution of 1920 x 1080 then I can set 120Hz (HDMI) but if I set 1080p, and I don't know why anybody would do that to a monitor, then limited to 60Hz.





I believe that setting the display frequency 60Hz or 120Hz has an impact on the monitor fps.

Does that make it any clearer what I was asking?

Last edited by djmorgan; 06-16-2017 at 00:18.
   
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Default 06-16-2017, 11:20 | posts: 989

1080p is 1920x1080.

What you're seeing in your nvidia control panel are TV resolutions. Those are limited to 60Hz.

But every resolution that is 1920x1080 pixels and not interlaced, is "1080p." Refresh rate has got nothing to do with it.

Last edited by RealNC; 06-16-2017 at 11:23.
   
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Default 06-17-2017, 09:23 | posts: 90 | Location: Gold Coast Australia

Quote:
Originally Posted by RealNC View Post
1080p is 1920x1080.

What you're seeing in your nvidia control panel are TV resolutions. Those are limited to 60Hz.

But every resolution that is 1920x1080 pixels and not interlaced, is "1080p." Refresh rate has got nothing to do with it.
Thanks and my bad about refresh rate.

So would you say that native PC at 1920 x 1080 is 1080p although not stated would you also say that there would be no logical reason for somebody to select 1080p 1920 x 1080 @ 60Hz if sending the signal to an FHD PC Monitor?

   
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Default 06-17-2017, 10:27 | posts: 99

Quote:
Originally Posted by djmorgan View Post
Thanks and my bad about refresh rate.

So would you say that native PC at 1920 x 1080 is 1080p although not stated would you also say that there would be no logical reason for somebody to select 1080p 1920 x 1080 @ 60Hz if sending the signal to an FHD PC Monitor?

You have to make sure the HDMI level is set to 0-255 in both the monitor and by default any TV resolution monitors will be using the incorrect 16-235 HDMI levels.
   
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RealNC
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Default 06-17-2017, 14:07 | posts: 989

Quote:
Originally Posted by djmorgan View Post
Thanks and my bad about refresh rate.

So would you say that native PC at 1920 x 1080 is 1080p although not stated would you also say that there would be no logical reason for somebody to select 1080p 1920 x 1080 @ 60Hz if sending the signal to an FHD PC Monitor?

Yeah, there's no reason for that. It's the same as "PC" 1920x1080 @ 60Hz.

The only difference might be a very slight offset in the refresh rate. You can test them here:

https://www.vsynctester.com

One might use 60Hz (PC), the other might be 59.94Hz (TV). Or they might be both the same.
   
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djmorgan
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Default 06-18-2017, 01:39 | posts: 90 | Location: Gold Coast Australia

Quote:
Originally Posted by RealNC View Post
Yeah, there's no reason for that. It's the same as "PC" 1920x1080 @ 60Hz.

The only difference might be a very slight offset in the refresh rate. You can test them here:

https://www.vsynctester.com

One might use 60Hz (PC), the other might be 59.94Hz (TV). Or they might be both the same.
With the exception 'PC' 1920 x 1080 can be 120Hz! whereas 1080p 1920 x 1080 can only be 59.94/60Hz.

Thus my question and relating to the advertisement in post 1
   
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RealNC
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Default 06-18-2017, 02:48 | posts: 989

Quote:
Originally Posted by djmorgan View Post
With the exception 'PC' 1920 x 1080 can be 120Hz! whereas 1080p 1920 x 1080 can only be 59.94/60Hz.

Thus my question and relating to the advertisement in post 1
Again: 1080p means 1920x1080. No refresh rate. It describes the resolution. So both are the same resolution.

Some monitors list special TV modes in their EDID, which you can then see in the nvidia panel. This is for better compatibility with things like DVD or Blu-Ray players, or consoles. These TV modes are usually only listed over HDMI, although on some monitors you also see them over DVI or DP.

But the bottom line is: it's the exact same resolution. 1920 pixels wide, 1080 pixels tall. And you can safely ignore them.
   
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