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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1615

post #16141 of 38704
Quote:
Originally Posted by raghu78 View Post

don't use kombustor or furmark . use real world apps like BF3, Heaven,3D Mark 11 to find out what are the max load temps on GPU core and VRMs.

OK cool. I bought 3DMark11 so should I just go by the standard Performance preset benchmark to test VRM temps?
 
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post #16142 of 38704
Quote:
Originally Posted by CattleCorn View Post

Thought about overclocking it some more, but not sure what I should use to test with. Kombustor makes my VRM temps too hot for some reason.

What I do is I just loop 3DMark 11 but this option is only available to users who bought 3DMark. You can also loop Heaven OR just room a number of 3DMark 11 / Heaven 3.0 instances. I find Heaven to be more stressful on the GPU and more effective at detecting GPU instability. You can also test your overclocks in games like BF3 as that should give you a more realistic idea of how stable your clocks are thumb.gif
post #16143 of 38704
^^^ I could run Heaven for an hour without problems but when playing BF3 for 30 mins, if there was instability, I could see artifacts right away.
post #16144 of 38704
Anyone notice that in certain games, regardless of overclock, that they get some (albeit minor) artifacts. In Borderlands 1 and 2, and Sonic Generations, even at stock clocks I will get some slight artifacts at random times? I saw on another forum (can't remember, as I was just Google-ing to see if it was just me or not) that games that use the Unreal engine are generally the ones that produce this issue. Apparently one of the CoD games will do it too.

Some people even went to the point of underclocking their cards and were still getting issues with slight artifacting. Apparently this issue only exists with the 7000 series cards, particularly the 7950/7970. Anyone here besides me noticing this?
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post #16145 of 38704
Quote:
Originally Posted by ChrisTahoe View Post

Anyone notice that in certain games, regardless of overclock, that they get some (albeit minor) artifacts. In Borderlands 1 and 2, and Sonic Generations, even at stock clocks I will get some slight artifacts at random times? I saw on another forum (can't remember, as I was just Google-ing to see if it was just me or not) that games that use the Unreal engine are generally the ones that produce this issue. Apparently one of the CoD games will do it too.
Some people even went to the point of underclocking their cards and were still getting issues with slight artifacting. Apparently this issue only exists with the 7000 series cards, particularly the 7950/7970. Anyone here besides me noticing this?

Chalk it up to poor driver support? I was getting garbage fps and artifacts in League of Legends! With my 7950 and 7970.
post #16146 of 38704
CPU = 4.5 Ghz
GPU = 1200/1600

38242644.png
 
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post #16147 of 38704
What would you guys recommend me for cooling my ref Sapphire 7970? I was thinking of this, though this one looks more appealing to me, but I believe Koolance is slightly better performing? Or should I use some kind of modified Cpu cooler like corsair H series? Which would perform the best.
Thanks
post #16148 of 38704
Quote:
Originally Posted by Gorki View Post

What would you guys recommend me for cooling my ref Sapphire 7970? I was thinking of this, though this one looks more appealing to me, but I believe Koolance is slightly better performing? Or should I use some kind of modified Cpu cooler like corsair H series? Which would perform the best.
Thanks

I had great luck with my EK block. I did use the backplate though too.
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post #16149 of 38704
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by CattleCorn View Post

CPU = 4.5 Ghz
GPU = 1200/1600
38242644.png


What is your CPU clocked at? Graphics score looks good! thumb.gif

Here's my 7970 Lightning:





MSI 7950 TFIII:

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post #16150 of 38704
Quote:
Originally Posted by ChrisTahoe View Post

Anyone notice that in certain games, regardless of overclock, that they get some (albeit minor) artifacts. In Borderlands 1 and 2, and Sonic Generations, even at stock clocks I will get some slight artifacts at random times? I saw on another forum (can't remember, as I was just Google-ing to see if it was just me or not) that games that use the Unreal engine are generally the ones that produce this issue. Apparently one of the CoD games will do it too.
Some people even went to the point of underclocking their cards and were still getting issues with slight artifacting. Apparently this issue only exists with the 7000 series cards, particularly the 7950/7970. Anyone here besides me noticing this?

I only get artifacts when my oc is unstable. With my current settings, I can play bf3 for 2-3 hrs without getting artifacts. Using 9.01 drivers + msi ab 2.2.4.
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