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Crossfire 7950/7970 owners, is it stable?

Phusius

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#1
Thinking of buying a second 7950 since I can sell both free games for around $100 making total cost for another Sapphire 7950 $200 free ship no tax...

Just worried about issues, most games will start up and run fine in Crossfire by now I assume? Are there any instances where I would need to disable the second card like on a really old game?
 

cadaveca

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#2
No issues on most popular titles, single monitor. Some titles wait a few months before getting crossfire profiles, but now we have the ability to set Crossfire profiles for individual apps, so it's easily overcome.
 
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#3
I haven't played every game in existence but I've had no issues since about midway through last year (12.7 betas). The Crysis 3 beta is also pretty broken but I don't think that's a crossfire-specific issue.

I have experienced stuttering in some titles, but it's always been fixable either by using MSI's framerate limiting function (limiting the framerate to 60 on my 60 Hz monitor) or by using Radeon Pro to basically do the same.

The only game I have where I need to disable crossfire to improve performance is Morrowind.

As long as you are willing to troubleshoot if issues come up, crossfire is fine.
 

Phusius

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#4
thanks guys, I am going to bite the bullet and do it. $200 for another 7950 can't beat it, especially if I get lucky and this one overclocks to 1200 core too lol
 
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#5
No issues yet mate all sweet. :)
 

RCoon

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#6
I think me and Dave were talking about this a while back, and my two 7950's run like shit off a shovel, I even got insane clocks on stock voltage too. I was so impressed I invested in 144hz, and 60fps in metro 2033 is nothing to scoff at! Just don't expect decent temps in xfire, mine get pretty hot at 1ghz core
 

Grnfinger

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#7
I know it's not a 79X0
But I run 7870's and haven't had a single issue yet.
I play FarCry3, Mass Effect 3 , just started the beta of Crysis and hope to give Dead Space a go this weekend. If I wasn't target practice for every Black Op's player on the planet, I'd play that more.
All play without a single hiccup, Highly recommend the second card.
 

Stu @ MSD

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#8
I run 3x 7970's and if I am not benching on HWBot then I am playing, COD BO2, Arma II, Far Cry3 or Max Payne 3 at 5760x1080 @ 120hz and never have any dramas since CCC13.2 was released.

Some games run a tad better in Crossfire so i tend to leave just 2x 70970s enabled if im not benching.
 

Phusius

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#9
thanks, yeah I already decided to bite the bullet and get a second 7950. by the time I sell the two free games the cost will be around $210 for the second card, lol... so yeah... :)
 

Stu @ MSD

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#10
Enjoy it mate. I would advise you install the CCC 13.2 Beta 4 drivers unless you are planning to play Crysis 3 as theer are a few anamolies with B5 on other games - most notably COD-BO2.
 
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#11
I play games that support EF surround res of 5760x1200 on my main rig which has 3x HD7970, BF3 is quite playable at Ultra + 4xMSAA at this res as well. As for stability, I've not encountered any serious issue like BSOD, CTD and such.