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  #11  
Old 01-09-15, 08:03 PM
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realneil realneil is offline
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Join Date: Sep 2010
Location: Virginia, USA
Posts: 606
I'm using crossfire extensively on my Intel-based PCs. Two R9-280X OC's in one box, two R9-290x OCs in another, and two R9-290X OCs in the third. The R9-290 cards automagically worked right away with both systems. (even though one system has cards that are not from the same company) The 280X cards needed a driver update and they worked fine after that.

I don't get the Crossfire problems that others speak of, so I consider myself lucky.

My AMD FX-9590 has a pair of GTX-760 4GB cards in it and it set-up, and ran easily.

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  #12  
Old 12-09-15, 04:37 PM
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Nhirlathothep Nhirlathothep is offline
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Join Date: Sep 2015
Posts: 73
i had ( recent amd cards):

- 2x 4850
- 2x 4870
- 2x 6850
- 2x 6870
- 2x 7970ghz

always with faith in crossfire,
always good at bench and "bad" in games.
every time i said "single card next gen", benchmarks tricked me.

fps at bench are not so important, the user experience with crossfire cards is terrible (only my opinion).

I don t like most AAA games and when you play unknown games or old games, u ll find crossfire worst than single card, better remove the second card.
And microstuttering always behind the corner.

only one opinion!
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  #13  
Old 12-09-15, 07:41 PM
MattyD7829 MattyD7829 is offline
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Join Date: Aug 2015
Location: Cornwall
Posts: 41
I was almost in the place that you are now with dual HD7950's. I bought one new, then trying to save some cash bough a second hand one from ebay along with an RM1000 and within 20 mins of plugging them in the 2nd hand card failed. Got fed up and got a 295x2 on the credit card. Turns out the RM1000 was also faulty so had to get a new psu as well.
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  #14  
Old 12-09-15, 09:43 PM
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realneil realneil is offline
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Quote:
Originally Posted by MattyD7829 View Post
I was almost in the place that you are now with dual HD7950's. I bought one new, then trying to save some cash bough a second hand one from ebay along with an RM1000 and within 20 mins of plugging them in the 2nd hand card failed. Got fed up and got a 295x2 on the credit card. Turns out the RM1000 was also faulty so had to get a new psu as well.

Maybe the faulty RM1000 was to blame for the second 7950 failing.
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  #15  
Old 13-09-15, 01:19 PM
Kushiro Kushiro is offline
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Join Date: Oct 2013
Location: Australia
Posts: 3,188
^^

Quote:
Originally Posted by Nhirlathothep View Post
i had ( recent amd cards):

- 2x 4850
- 2x 4870
- 2x 6850
- 2x 6870
- 2x 7970ghz

always with faith in crossfire,
always good at bench and "bad" in games.
every time i said "single card next gen", benchmarks tricked me.

fps at bench are not so important, the user experience with crossfire cards is terrible (only my opinion).

I don t like most AAA games and when you play unknown games or old games, u ll find crossfire worst than single card, better remove the second card.
And microstuttering always behind the corner.

only one opinion!
Guessing you didnt try the 9XX series from nVidia in SLI a while ago and you also didnt try AMDs CFX as of late either (either that or there is a problem with your config)

AMDs user experience is pretty darn good as of late. nVidia to the contrary.
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  #16  
Old 13-09-15, 07:23 PM
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realneil realneil is offline
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Quote:
Originally Posted by Newbie_NS810 View Post
^^



Guessing you didnt try the 9XX series from nVidia in SLI a while ago and you also didnt try AMDs CFX as of late either (either that or there is a problem with your config)

AMDs user experience is pretty darn good as of late. nVidia to the contrary.
I agree, Crossfire is working great for me on three PCs. (all R9 series GPUs)
SLI is working well on one other PC as well.
Having dual graphics has come a long way if your system is configured properly.
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  #17  
Old 14-09-15, 08:13 AM
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barnsley barnsley is offline
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Join Date: Dec 2012
Location: Cambridge
Posts: 7,216
Quote:
Originally Posted by Nhirlathothep View Post

always with faith in crossfire,


only one opinion!

To be fair I think you just got unlucky as they've improved Crossfire massively since the 7970s. While -arguably- still not as good as SLI at their current rate of improvement its surely only going to be a matter of time until they're as good as eachother.
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  #18  
Old 14-09-15, 09:46 AM
Kushiro Kushiro is offline
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Undoubtedly. TBH never actually ever had any issues with CF aside from the frames before Frame pacing was introduced. That and of course the occasional game where its too old and isnt supported.
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