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So I'm sick of ATI (AMD) already. - Page 39

post #381 of 404
Quote:
Originally Posted by Rabbs View Post

Running both 7970's on 8x PCI-E lanes is like running one 7970. Guy in another post said he put both his 7970's in 16x lanes and basically all this problems went away.

Only if you are still on PCIE 2.0
Due to my NH-D14 i was not able to put my 7970s in the 16x slots on my current board, but i ran a unigine test with a single card in a 16x lane and an 8x lane, and the results were well within 1% of each other. thumb.gif

edit: forgot to mention that my fps doubled when i added the second 7970.
post #382 of 404
Thread Starter 
Quote:
Originally Posted by Nemesis158 View Post

Only if you are still on PCIE 2.0
Due to my NH-D14 i was not able to put my 7970s in the 16x slots on my current board, but i ran a unigine test with a single card in a 16x lane and an 8x lane, and the results were well within 1% of each other. thumb.gif
edit: forgot to mention that my fps doubled when i added the second 7970.

Right, the bandwidth isn't a concern at that point. Maybe AMD drivers don't like x8 for some reason? I dunno. I'm really enjoying my GTX 690 wink.gif
post #383 of 404
Quote:
Originally Posted by Powermonkey500 View Post

Right, the bandwidth isn't a concern at that point. Maybe AMD drivers don't like x8 for some reason? I dunno. I'm really enjoying my GTX 690 wink.gif
The 7970 is a bandwidth hog AFAIK.
post #384 of 404
Thread Starter 
Quote:
Originally Posted by Art Vanelay View Post

The 7970 is a bandwidth hog AFAIK.

Even so, I doubt it could saturate a 3.0 x8 slot enough to be problematic, excluding driver issues of course
post #385 of 404
All I can say is don't plan on going to vegas any time soon. That's some luck you've had there...
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post #386 of 404
Weird problem you have there, because I had really bad stuttering problem with NVidia and not AMD. Anyways, glad you are enjoying your 690, its one hell of a beastly card xD
post #387 of 404
@ powermonkey500.

A custumor of mine had the same problems as you had.

He had 2x a 7970 under a overclocked 2500K.

Other cards dit work though, we tryed 7850's and GTX670's

In the end it turned out to be his PSU that couldnt deliver enough and quess what..... You 2 have the same PSU lol, a TX850
Changed his PSU for a new TX850 and the problems went away thumb.gif

Have fun with your 690 though but when it ever happens again think about your PSU wink.gif
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post #388 of 404
Thread Starter 
Quote:
Originally Posted by Farih View Post

@ powermonkey500.
A custumor of mine had the same problems as you had.
He had 2x a 7970 under a overclocked 2500K.
Other cards dit work though, we tryed 7850's and GTX670's
In the end it turned out to be his PSU that couldnt deliver enough and quess what..... You 2 have the same PSU lol, a TX850
Changed his PSU for a new TX850 and the problems went away thumb.gif
Have fun with your 690 though but when it ever happens again think about your PSU wink.gif

Well, that's certainly interesting to hear. What were his symptoms?
My power supply is a few years old so it's possible... Kind of wishing I didn't already sell one of the cards so that I could test this theory
Edited by Powermonkey500 - 12/18/12 at 7:57am
post #389 of 404
Quote:
Originally Posted by Blameless View Post

Multi-GPU setups are, in my experience, more trouble than they are worth, for either AMD or NVIDIA.
That said, I'm thinking this thread is more the result of user error than any brand specific issue.


^^^^^^ Completely not true, If you have the proper components, PSU/MOBO/ etc... You should have very little problems. Infact I have so little trouble running any game out there, Far Cry 3 (Driver update fixed Sli) StarCraft 2, Battlefield 3, All of these games run flawlessly on my system and im sure most of you too. Its up to the developers to optimize their game for us. Don't blame the hardware.
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post #390 of 404
You guys clearly didn't try Trifiring them cards... Now thats a world of pain!
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