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post #14751 of 38701
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post #14752 of 38701
Quote:
Originally Posted by ElevenEleven View Post

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Got my Open Box Sapphire 7970 (Dual-X Overclocked) today and ran some tests. The PCIe bracket was all bent--I still can't screw it in properly--only one screw, and at a 45-degree angle or so. I have no idea what some of these companies do with the cards when they are returned, but the bent bracket deal seems not uncommon =/ Despite my best efforts to straighten it out, it appears to actually be inserted at an odd angle to start with, which makes me wonder if it was returned for that reason.
Here's Heaven 3.0 at stock settings:

And here's a re-run at 1125MHz core clock, 1575MHz memory clock, +20% Power Limit, and I actually increased the voltage to 1150mV to decrease artifacting (though it wasn't crashing without the increase).

What I am noticing is a lot more screen tearing (without vertical sync) in Heaven, and also rather unsmooth brightness gradient transitions, and periodic artifacts here and there, versus my GTX 670. The 7970 gets a higher score, but my GTX 670 does a lot smoother runs, and FPS in Heaven 3.0 doesn't vary as widely between different scenes as it does on the 7970.
I am using Catalyst 12.7 Beta. Is it just something off with my open box card, or is this normal?
Not sure if I should try Gigahertz BIOS vs. standard overclocking (if I even can with my card). Also can't figure out how to get the card to run at something higher than 1125MHz core clock using MSI Afterburner. Can only seem to do it with Trixx, but I can't see any voltage slider, even after disabling ULPS.
P.S.: This card is going to be on my family member's computer, and he plays WoW time to time. I logged in to check FPS there, and it's dramatically lower than it was with the GTX 670 (which I'm going to use for my mini ITX build, as it's a smaller card). I know there's an nVidia bios in WoW, but I didn't expect it to be so strong! Considering that this card is supposed to be more powerful. But again, maybe there's something wrong with my particular card, as it is after all open box and perhaps even refurbished in some way.

I could use some help with this. I am seriously considering returning this card and trying my luck with another open box card. In addition to the above, my card has a buzzing capacitor or two at load. At idle, it's super quiet, but when I run any benchmark or game, it starts buzzing noticeably =/ I'll also try Catalyst 12.8 to see if screen tearing gets better. Oh yes, I do a clean install with DriverSweeper in between. Should I use Atiman too?
   
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post #14753 of 38701
Screen tearing is usually a monitor refresh issue, shouldn't be anything to do with the card. As far as the coil whine is concerned, my Sapphires also have audible whine during load but it usually goes away after while...
post #14754 of 38701
Quote:
Originally Posted by Newbie2009 View Post

Maybe your case has terrible airflow for such a high end card?

Nope, the VBIOS they installed was just faulty. They gave me one to download and flash and it's been fine since. I haven't gotten temps above 60C (the average when stressed that I've seen is 55-ish, the max 59 with ambient temperatures being around 23C) yet after hours of playing dirt showdown, dear esther and arkham city with everything maxed out at 1080p. Not the the most demanding of games but certainly demanding enough to test it I'd think (and the most demanding I have atm, I could use furmark later though). It helps that there's a 230mm fan blowing air at it all the time. This is with the core clock changed to 950MHz (but the voltages unchanged). Idle temperatures generally stay at around 29C. The GPU fan never really goes above 40% either so I'm pretty sure I've got the cooling down in that case thumb.gif.

Its an easy mistake to think the cooling would be bad though, if anyone is interested the card in the case looks like this:

That's an 140mm fan at the back along with the 230mm at the front. Cable management will happen one day (I promise).

I'm tempted to put 2 120mm fans on the top but I think I'm fine. The case/card is surprisingly efficient at cooling and the noise is pretty good as well, the loudest thing is that 230mm fan but only because I've got it set to full power all the time, I might just cut it down to 7V in the future but it isn't bad enough to be annoying or even anything other than just noticable. I prefer better cooling and airflow to lower noise anyway.
Edited by itsamemario666 - 8/21/12 at 10:04am
    
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post #14755 of 38701
^^
Sounds like a really good card and cooler, you could try if it would be stable at 1GHz or even 1,1GHz with stock volts. Most 7950's I've seen do at least 1GHz, rarely more though without increasing voltages.
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post #14756 of 38701
Is it normal to get flickering shadows/vertical lines in heaven 3.0 using 12.6 drivers? I just tried overclocking my HD 7970 with a bump from 1ghz to 1125mhz and noticed it. Then I tried it with stock clocks and the flickering was still there. After that I even underclocked my core from 1 ghz to 925 and mem from 1450 to 1400 and the issue was still there. Is still normal behaviour for this card? Could this be a messed up driver because I recently downgraded from 12.8 to 12.6 because I had issues in cod 4 with 12.8. After downgrading to 12.6 they went away though. Should I be worried and prepare my anus for a RMA? Haven't played any gpu taxing games as of lately, but BF3 which runs without issues.
     
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post #14757 of 38701
Sounds like a driver issue. Try a clean uninstall of 12.6 and install of 12.7. Been working good for me for over a month...
post #14758 of 38701
Quote:
Originally Posted by Ukkooh View Post

Is it normal to get flickering shadows/vertical lines in heaven 3.0 using 12.6 drivers? I just tried overclocking my HD 7970 with a bump from 1ghz to 1125mhz and noticed it. Then I tried it with stock clocks and the flickering was still there. After that I even underclocked my core from 1 ghz to 925 and mem from 1450 to 1400 and the issue was still there. Is still normal behaviour for this card? Could this be a messed up driver because I recently downgraded from 12.8 to 12.6 because I had issues in cod 4 with 12.8. After downgrading to 12.6 they went away though. Should I be worried and prepare my anus for a RMA? Haven't played any gpu taxing games as of lately, but BF3 which runs without issues.

Yes I had a weird graphical error with 12.6 and Unigine also.
post #14759 of 38701
Quote:
Originally Posted by Seid Dark View Post

^^
Sounds like a really good card and cooler, you could try if it would be stable at 1GHz or even 1,1GHz with stock volts. Most 7950's I've seen do at least 1GHz, rarely more though without increasing voltages.

Whoops, just realised I forgot to quote the other guy... I'll do that now though, thanks for the advice!
    
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post #14760 of 38701
Quote:
Originally Posted by Majin SSJ Eric View Post

Sounds like a driver issue. Try a clean uninstall of 12.6 and install of 12.7. Been working good for me for over a month...
I'd rather not touch beta drivers. Could someone tell me proper steps to fully remove the old drivers and install new ones. Last time I just removed the old drivers, rebooted, installed new ones and rebooted again. I have heard of using Atiman or driver sweeper but have heard that they can mess up your computer. So what is the best and safest way to update drivers?
     
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