Sli Vs Ti 780's

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Tylermon

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Jun 14, 2013
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I have a 780. is it worth the upgrade to get the ti and eventually sli the ti.

Or am I better off to sli 780's and then wait for maxwell.

Or, I am thinking not. But can a 780 and a 780ti sli together?
Otherwise if I get the 780ti my current 780 goes into a different computer.

My cpu is a 3930k at 4.5ghz and has room to oc further.
I have a 1200w power supply.

In the instance of using multiple gpu's. My motherboard the p9x79 pro, supports 3-way sli. It came with a 3-way sli adapter. But can this mobo also support 2-way sli? Or do I have to use have 3 cards.
I am guessing the 3-way sli adapter would not work with 2 cards if the motherboard supports just 2-way sli. So where can I get a 2-way sli adapter if supported by the motherboard that is.
 
Solution
Eximo
The basic rule is that you can't SLI cards, even the same GPU family if they don't have the same base model name or the same bus width.

Since the 780Ti, 780, and Titan have the same bus, and the same GPU it would make sense that you could pair them by running one with less ROPs turned on. I doubt it works in practice.

For your purposes, I think dual 780s won't let you down unless you run a seriously huge resolution.

The simple flexible SLI bridges are commonly used for dual SLI. Most triple SLI bridges are PCB based.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814998076
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Eximo

Eximo

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The basic rule is that you can't SLI cards, even the same GPU family if they don't have the same base model name or the same bus width.

Since the 780Ti, 780, and Titan have the same bus, and the same GPU it would make sense that you could pair them by running one with less ROPs turned on. I doubt it works in practice.

For your purposes, I think dual 780s won't let you down unless you run a seriously huge resolution.

The simple flexible SLI bridges are commonly used for dual SLI. Most triple SLI bridges are PCB based.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814998076
 
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Solution
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Tylermon

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Jun 14, 2013
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Ok, and is there any significant performance increase over liquid cooling my 780's vs the stock fans?

While I think 1080p is my highest resolution I may extend across 3 displays and also aim for 120fps+

And the p9x79 pro paired with the 3930k, it is safe to assume not bottlenecks correct? Even if I were to head towards 3 cards?

And with the 780ti sli with a 780, I thought it might work because of it all, but at the same time it could be a waste of time trying to sort it out. It would be great to know if others have tried and had any success.
 
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Eximo

Eximo

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I did make an attempt to find out if it was possible, but didn't find anything other then NVidia's basic guide. No charts that show them. Only guess would be a BIOS flash to make the better card think it was the lesser card, though that could brick it.

Liquid cooling would let it run in 'boost' mode continuously, and you could achieve even higher overclocks if you were so inclined.

5760x1080 requires a serious rig, but you can't do any better then an X79 board at this point.

 
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