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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 45

post #441 of 38704
So i went to up to 1125 and my furmark fps would move like a sine wave - spike to well over 180 then back to 90ish then up again and down again, even with powertune at 20%, is this thing just throttling itself?
post #442 of 38704
Quote:
Originally Posted by tats View Post

So i went to up to 1125 and my furmark fps would move like a sine wave - spike to well over 180 then back to 90ish then up again and down again, even with powertune at 20%, is this thing just throttling itself?

That happens in Fur if you're using the doughnut. It's because some parts of the doughnut are easier to render than the others. Happens to all of us. Personally, I use Heaven with the settings maxed for stability testing. It shows artifacts when nothing else will, and you can just let it run overnight to be sure!
    
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post #443 of 38704
Quote:
Originally Posted by snelan View Post

That happens in Fur if you're using the doughnut. It's because some parts of the doughnut are easier to render than the others. Happens to all of us. Personally, I use Heaven with the settings maxed for stability testing. It shows artifacts when nothing else will, and you can just let it run overnight to be sure!

Thanks - so I was just running heaven at 1100 and it was doing almost the same thing, 35ish fps then 3 then 35 and then 3.... I'm going to try stock again
post #444 of 38704
Quote:
Originally Posted by tats View Post

Thanks - so I was just running heaven at 1100 and it was doing almost the same thing, 35ish fps then 3 then 35 and then 3.... I'm going to try stock again

Hmm, that's weird then. If it's overheating you could just try maxing the fans for a minute or two to see if it helps. I also found that on my cards LOWERING the voltage can help to stabilize overclocks. Try powertune at like +10% or so.
    
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post #445 of 38704
Quote:
Originally Posted by snelan View Post

Would you guys say MINIMAL artifacts are acceptable in extreme benches and burn ins if they don't happen in games?

I don't like that. Although it's not usually that you can detect a few artifacts in games but you know that your card is unstable and it may have consequences in the long run. So OCCT error free all the way. thumb.gif
But it's fine for benching though.
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post #446 of 38704
Quote:
Originally Posted by snelan View Post

Quote:
Originally Posted by tats View Post

Thanks - so I was just running heaven at 1100 and it was doing almost the same thing, 35ish fps then 3 then 35 and then 3.... I'm going to try stock again

Hmm, that's weird then. If it's overheating you could just try maxing the fans for a minute or two to see if it helps. I also found that on my cards LOWERING the voltage can help to stabilize overclocks. Try powertune at like +10% or so.

Hmm so there was some weirdness going on. When I restarted after burner it was defaulting to 1200mhz.. I uninstalled and then out it back and now it seems to be working.

I'm prob just going to be content at around 1050 for now. This is still doing better than my 580 at 950 (it's louder though, but thats just because my AXP had me spoiled)
post #447 of 38704
Quick question:
Does the ASUS or GIGABYTE cards have RED PCB's ?

We should have everyone post pics of their cards in the RIGS when joining the club specool.gif
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post #448 of 38704
Quote:
Originally Posted by Denim-187 View Post

Quick question:
Does the ASUS or GIGABYTE cards have RED PCB's ?

We should have everyone post pics of their cards in the RIGS when joining the club specool.gif


i don't think so. I know MSI does.

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post #449 of 38704
Quote:
Originally Posted by Denim-187 View Post

Quick question:
Does the ASUS or GIGABYTE cards have RED PCB's ?
We should have everyone post pics of their cards in the RIGS when joining the club specool.gif[/quot

My ASUS PCB is black
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post #450 of 38704
Quote:
Originally Posted by omega17 View Post

In other news
7970 Crossfire (1100/1375) Aliens v Predator DX11 Benchies
CPU: AMD Phenom(tm) II X6 1090T Processor
CPU ID: AMD64 Family 16 Model 10 Stepping 0
Motherboard: ASUS Crosshair IV Formula Rev 1.xx
Installed RAM: 7.99 GB
Operating System: Windows 7 x64
Video adapter: AMD Radeon HD 7900 Series
Video Processor: ATI display adapter (0x6798)
Video driver: ()
1920 x 1200/Very High/High/16/SSAO On/TS On/AS On/0X
Used AvP_D3D11_Benchmark.exe
Number of frames: 11831
Average Frame Time: 8.9ms
Average FPS: 112.9
===========================================
1920 x 1200/Very High/High/16/SSAO On/TS On/AS On/2X
Used AvP_D3D11_Benchmark.exe
Number of frames: 9782
Average Frame Time: 10.7ms
Average FPS: 93.3
===========================================
1920 x 1200/Very High/High/16/SSAO On/TS On/AS On/4X
Used AvP_D3D11_Benchmark.exe
Number of frames: 8342
Average Frame Time: 12.6ms
Average FPS: 79.6
===========================================

Why would you crossfire 7970's on that CPU ? That's the most uber bottleneck i have ever seen.

This is the same benchmark NO AA as apposed to that 112 FPS.

338

You will need to upgrade that cpu to let them cards fly dude. I came from the exact same CPU when i had my crossfire 6970's. Ive never looked back.
Edited by Denim-187 - 1/11/12 at 8:39pm
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