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[TPU] ASUS unveil 39inch 4K VA monitor - Page 17

post #161 of 502
Maarten are you custom making a 4k monitor?

I also thought that I read somewhere that current nvidia gpu's can't push 4k @ 60 hz through any single port. And AMD was the only option with MST.
post #162 of 502
Quote:
Originally Posted by maarten12100 View Post

HDMI is limited to 30Hz at 4K whether this driver board can and works with my panel will decide if I'm getting one of those driver boards.
I would think that Asus is well aware of the fact that no computer user would accept 30 hz maximum as a viable standard.

I am willing to bet that this 4k monitor comes equipped with two dual link DVI ports and a displayport 1.2 connection. DVI requires FOUR single links to run 4k resolution. Each dual link display drives half of the screen. This is a terrible setup and can cause a lot of problems with nvidia. Nvidia doesn't support two display surround, so it can't treat the monitor as one display with two DVI outputs, leaving you to use an extended desktop, which also stinks.

The only solution to this is displayport 1.2, which is more than capable of 4k @ 60hz, so why not include the ability to run that?
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post #163 of 502
Quote:
Originally Posted by hatlesschimp View Post

Maarten are you custom making a 4k monitor?

I also thought that I read somewhere that current nvidia gpu's can't push 4k @ 60 hz through any single port. And AMD was the only option with MST.
I would like to direct you to the GTX Titan, with two dual link DVI ports (enough for one 4k display, albeit with problems) and one DP 1.2 output, which can handle 4k @ 60hz with ease.

I do not know if the GTX 780 can do the same, though I would imagine it could.
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post #164 of 502
Quote:
Originally Posted by hatlesschimp View Post

Maarten are you custom making a 4k monitor?

I also thought that I read somewhere that current nvidia gpu's can't push 4k @ 60 hz through any single port. And AMD was the only option with MST.
I've a 4K screen from china coming my way it should've been today actually but UPS didn't live up to their "by end of day"
post #165 of 502
Forget about what the i/o ports can do in theory. I'm pretty sure the card it's self can not do it through one port but can obviously through multiple ports to multiple monitors.
post #166 of 502
Quote:
Originally Posted by hatlesschimp View Post

Forget about what the i/o ports can do in theory. I'm pretty sure the card it's self can not do it through one port but can obviously through multiple ports on the on card to multiple monitors.
The card most certainly can do it through one port. But there is only one port capable of doing so. DP 1.2.


Anything else is going to cause problems. We are now at the point where the standard video connections are incapable of handling the displays we can throw at them. As far as I know, there is no other available connection type in the consumer market that can do the job.

Since they are stuck with only one truly viable option when it comes to computer monitors, it makes sense to assume that they would use this connection to give PC users what they expect - 60 hz refresh rates.
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post #167 of 502
post #168 of 502
Yeah:
Quote:
Nvidia’s graphics drivers are generally designed for display configurations of 1 or 3 displays, having two displays does not really work very well as most games try to maximize themselves into one half of the display or the other. As such, we could not enable Nvidia’s surround feature which turns multiple monitors into one desktop. Because of this limitation, we could only run applications windowed and then maximize them manually or using software. Running applications like Adobe Photoshop CS6 and Premiere Pro were no issue; however, they still required maximizing. With Battlefield 3, we were able to get the GTX Titan to display in 4K very well, but once we enabled SLI we had issues with one half of the display running 30Hz and the other in 60Hz. Nvidia’s Tegra 4 also claims 4K support over HDMI 1.4a, which would limit you to 30Hz, effectively being for video playback only.

Which is why asus would be shooting themselves in the foot to not provide a DP 1.2 connection, and 60hz refresh rate.
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post #169 of 502
Yep I realise that but I can remember that nvidia can't go over a certain pixel clock per connection. I think it's 400 odd. If some can find out the details on this and put it to bed I will more than say I'm stupid and sorry for messing everyone's time. I just can't find the article again.
post #170 of 502
Quote:
Originally Posted by hatlesschimp View Post

Yep I realise that but I can remember that nvidia can't go over a certain pixel clock per connection. I think it's 400 odd. If some can find out the details on this and put it to bed I will more than say I'm stupid and sorry for messing everyone's time. I just can't find the article again.
That doesn't have anything to do with the displayport specs.

DP 1.2 can handle that resolution at that refresh rate, plain and simple.

A titan can handle 3x 1440P monitors in surround without any problems (barring performance issues), so why wouldn't the thing be able to handle a resolution that is 1/3 less pixels than that?
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