2 GTX 780

AmielG12 · Post by **AmielG12** » Sat Dec 20, 2014 00:43

Will resolume work with 2 Gtx 780 together in one computer? And if they do, will i have all 8 outputs?

dirtyjohn_lv · Post by **dirtyjohn_lv** » Sat Dec 20, 2014 02:16

Oaktown · Post by **Oaktown** » Sat Dec 20, 2014 04:52

You could use MST Display Port 1.2a technology to get 12 displays using an MST Hub on each card.

Also, keep in mind that two GTX 780 in SLI will be awesome!

AmielG12 · Post by **AmielG12** » Sat Dec 20, 2014 16:48

If its in SLI, can i still use all outputs?

cosmowe · Post by **cosmowe** » Sat Dec 20, 2014 16:57

Hey there...

Just to remind here:
SLI nor crossfire configurations will have any positive performance effect with Resolume.

//Reminder end

greetings
cosmowe

Oaktown · Post by **Oaktown** » Sat Dec 20, 2014 17:12

AmielG12 wrote:If its in SLI, can i still use all outputs?

No, SLI or Crossfire turns one GPU into a slave and uses it for calculation.

Oaktown · Post by **Oaktown** » Sat Dec 20, 2014 17:33

cosmowe wrote:SLI nor crossfire configurations will have any positive performance effect with Resolume.

Is that 100% sure. One of my rigs has two R9 270X 1050M 2GB in crossfire and I've consistently by clocking above 80fps in Resolume Arena 4 and it's rock solid with large comps whereas I'll get 60fps when I disable crossfire.

cosmowe · Post by **cosmowe** » Sat Dec 20, 2014 19:15

Is that 100% sure

Yes. Never read anything positive about sli or crossfire here in the forum. And as far as I know Resolume does not support it.

If you get 60 fps without and 80 fps with SLI activated while showing nothing in Resolume there must be something else causing your 80 fps. Maybe Win Aero? When I deactivate Aero I get up to 90 fps.

Is your output in windows is set to 60Hz?

Best regards
cosmowe

Oaktown · Post by **Oaktown** » Sat Dec 20, 2014 20:05

cosmowe wrote:Yes. Never read anything positive about sli or crossfire here in the forum. And as far as I know Resolume does not support it.

Maybe someone from the Resolume support team can enlighten us?

cosmowe wrote:If you get 60 fps without and 80 fps with SLI activated while showing nothing in Resolume there must be something else causing your 80 fps. Maybe Win Aero? When I deactivate Aero I get up to 90 fps.

Not sure what you mean by "while showing nothing in Resolume" but the only difference in the setting would that Crossfire is activated in Catalyst

cosmowe wrote:Is your output in windows is set to 60Hz?

Yes, my last setup was a 3840x1080 comp scaled up into 3 @ 1600x1200 @ 60Hz projectors

Best regards
cosmowe[/quote]

cosmowe · Post by **cosmowe** » Sat Dec 20, 2014 20:13

I've made a fast search: viewtopic.php?f=7&t=8535&p=33439&hilit=crossfire#p33439

Joris: Adding more GPUs to the mix will not increase performance.

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