Graphics Cards = How Many Displays & What Types?

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John Chrin

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Jul 29, 2014
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Can someone link me to an educational article that might educate me as to how I can mathematically determine:

Graphics Card A = x displays @ x resolution @ x refresh rate

I ask this because my build incorporates 2x 980ti's and the entire build is custom water cooled. I want to have 2 monitors and 1 tv.

I would like to have both monitors operate at 144hz and then somehow stream my main-display to the tv with the lowest latency possible, but I have no idea how to determine:

1.) Which card do I plug which displays into? (x mobo, x card, x card) (does it matter?)
2.) Do I plug the tv into my motherboard instead and do 1 monitor off of each card?
3.) Will plugging my tv into my motherboard take up a noticeable amount of processing power at any point?
 
Solution
kaiteck


Edit: Sorry misunderstood some parts of your question so I did edit.

It's not be possible to duplicate two different refresh rates,different resolution under normal circumstances...
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Gingerbread

Gingerbread

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You have 2 980tis in SLI. One of them is the master card (probably the one in the first slot of the mobo). Only the master card can produce display. A 980ti can support up to 4 displays. Meaning you can get 4 displays from your GPU. Resolution is port dependent, not gpu dependent thus you can run any resolution that the ports support (meaning you can get 4k 60hz via the DPs or 4k 30hz via the hdmi).
The onboard GPU supports either 2 or 3 displays, my guess is you are using a z170 series motherboard so it most likely supports up to 3 displays (if the motherboard has 3 slots for displays).
Generally it's best to connect the displays which will be used for just browsing, watching youtube, etcs, to the motherboard (so that there is no stress on the dedicated GPUs which will run games) and hook the monitors used for gaming to the GPU.
 
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kaiteck

kaiteck

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Nov 12, 2013
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Your monitor should always run at 144hz no matter what graphic cards you're using. Just make sure you plug into Dual link DVI-D or Displayport. Note that some DVI and hdmi ports don't support 144hz.

Plugging the tv into anywhere should be fine.

3. I doubt there's any noticeable amount of processing power at any point. I've plugged my tv into my Gtx 650 hdmi and my main mobo hdmi before. They looks the same to me and my pc performs at same speed.
 
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John Chrin

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A lot of good information here, thanks guys, but I still have questions.

So should I plug both my 120 (changed that from 144 based on 13thmonkey's reponse) hertz monitors into my graphics card and then plug my TV that will stream my desktop (games included) into the motherboard?

Basically, I am hung up on how I can duplicate my gaming monitor to my tv when they both run at different frequencies.
 
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kaiteck

kaiteck

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Magic. They will work. But you may wanna pluy ur tv into gpu hdmi instead. Your tv will be slower than your monitor but thats normal.

I'm not sure how can you change 144hz to 120hz but I do agree 120hz is preferred.
 
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13thmonkey

13thmonkey

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nvidia control panel allows for this.
 
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J

John Chrin

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Okay still confused here people, I said I'd run 120hz because I have not purchased my monitors yet, so it's not set in stone, but I have 120hz monitors now and if i duplicate them to my samsung tv it forces the main display to operate at 60hz since the tv cant do 120.

So what do I plug in where and why.

You have:
x2 980ti's sli'd
z170 deluxe mobo
I7 Skylake 6700k

x2 120hz monitors
x1 hd samsung tv

You want to duplicate your main monitor to your tv without losing your 120hz refresh rate, GO! What do you plug in where and do you need software?
 
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kaiteck

kaiteck

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Nov 12, 2013
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Edit: Sorry misunderstood some parts of your question so I did edit.

It's not be possible to duplicate two different refresh rates,different resolution under normal circumstances, even with a SLI configuration.

If your monitor is 1440p, 120hz and tv is 1080p,60hz, and you duplicate them together. Windows will just take the highest common resolution and refresh rate so your monitor is going to run at 1080p 60hz along with your tv.

To run different refresh rates,different resolution, you need to extend these displays.
 
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