My crossfire setup isn't working PLEASE HELP!

cstorey987 · Jan 7, 2016

While using unigine heaven benchmark the second card is not running at full power (clock speeds), I have tried redownloading drivers and switching crossfire bridges... What do I Do? Also read It could be a PSU issue
http://imgur.com/a/1bbQ6
setup- https://pcpartpicker.com/user/cstorey987/saved/#view=QKfWGX

computertech82 · Jan 7, 2016

It is NOT going to double the speed. You might want to look for benchmarks for dual cards.

cstorey987 · Jan 7, 2016

computertech82 :

read the msi picks in the imgur link the second card is running at 300mhz instead of 933 mhz and vram is at 150mhz instead of 1250mhz sooo its not fps im talking about, but how the second card is running.

BadActor · Jan 7, 2016

Download and run GPU-Z, it may be an anomaly. The usage for both cards are the same.

rolli59 · Jan 7, 2016

I see the same screen twice in your link but I would not run CF on your board since it has one slot at X16 and the second slot at X4 which gives a performance penalty against boards that can run it at X8 X8.

cstorey987 · Jan 7, 2016

rolli59 :

oops i have the asus z97-e it supports crossfire
https://pcpartpicker.com/user/cstorey987/saved/#view=QKfWGX

cstorey987 · Jan 7, 2016

BadActor :

nope, I just looked at gpu z second card isnt working properly

http://imgur.com/RzhcQpq

computertech82 · Jan 7, 2016

Little odd if one card is being throttled.
Motherboard:
2 x PCIe 3.0/2.0 x16 (Single at x16, dual at x8/x8)

So the cards should be about the same. check power cords, if one is faulty, it could explain the big difference.

cstorey987 · Jan 7, 2016

every once and a while it will spike to normal speeds (just for a second) then go back down.

rolli59 · Jan 7, 2016

cstorey987 :

Ok that one will do it at X8 X8! That PSU should handle it fine but do you see performance difference? Instead of looking at utility that may be wrong run some games and compare fps.

BadActor · Jan 7, 2016

Apparently this is a common problem with Crossfire. Some things to check would be to maker sure you don't have windowed mode selected in Catalyst and that the Xfire bridge is connected in the right spot.

http://www.tomshardware.com/forum/329225-33-crossfire-card-much

cstorey987 · Jan 7, 2016

BadActor :

I was running in windowed, but that wasn't the problem..., and the bridge is connected in the first spot on the left

cstorey987 · Jan 7, 2016

rolli59 :

I tried 3d mark earlier these were my scores:
before: http://www.3dmark.com/fs/6939360
after: http://www.3dmark.com/3dm/9918530?

but im going to try it again

rolli59 · Jan 7, 2016

cstorey987 :

rolli59 :

I tried 3d mark earlier these were my scores:
before: http://www.3dmark.com/fs/6939360
after: http://www.3dmark.com/3dm/9918530?

but im going to try it again

Graphics score is almost doubled which is a good indication. Did you have afterburner installed before you installed the second card or was it installed with both cards in and CF enabled.

BadActor · Jan 7, 2016

Your 3DMark scores actually looks like it scaled pretty well. That's around 80 percent improvement in Xfire.

cstorey987 · Jan 7, 2016

Before

cstorey987 · Jan 7, 2016

WOW I might just need to reinstall msi afterburner new score: http://www.3dmark.com/3dm/10166120

cstorey987 · Jan 7, 2016

Thanks Guys! I would have been pissed and confused without you!

My crossfire setup isn't working PLEASE HELP!

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