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1260/1700 Radeon 7950 on air cooling, is this even safe?

post #1 of 11
Thread Starter 
Greetings everyone, I seek your advice once again with another question.

I've recently managed to solve the heating problems on my MSI 7950. The only thing wrong was my room's ambient temp was too high and I didn't even realize it. Just opening my window a little dropped them 10-15C and gave me a whole lot more overclocking room.. So here's the deal:

I was able to run 3 stable heaven benchmarks at 1260/1700 @ 1168 mv (stock is 1031). Max core temp reached was 65C and max VRM 1 temp was around the 80 mark. I am on MSI's stock cooler (Twin Frozr 3). Now I know these temps are normally safe, but what bothers me is the fact I usually only see people going so high with their core if their 7950 is water cooled, which mine is not..

So given that, I'd like to ask.. What do you think of my clocks, my voltage and my temperatures? Did I just hit the lottery jackpot and got lucky with a monstrous overclocker, or am I treading into dangerous waters by raising the voltage and clock so high without water cooling?

Any feedback is greatly appreciated, thank you for your time!
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post #2 of 11
which country are you from. if the room temperature is low that helps cooling. also check your temps using GPU-Z and HWinfo32 while benching heaven 3.0, 3D Mark 11, BF3. yeah your temps are awesome for a air cooled card.
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post #3 of 11
Everything looks pretty darn good. However, I wouldn't use Heaven as a barometer for stability. I'd recommend using a battery of games, etc for that purpose. What's your asic, around 80%? The temps look very good on both core and vrm btw. You probably have a cherry or golden card, so long as you don't push it too hard on air and for extended periods it will last.
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post #4 of 11
Thread Starter 
Quote:
Originally Posted by tsm106 View Post

Everything looks pretty darn good. However, I wouldn't use Heaven as a barometer for stability. I'd recommend using a battery of games, etc for that purpose. What's your asic, around 80%? The temps look very good on both core and vrm btw. You probably have a cherry or golden card, so long as you don't push it too hard on air and for extended periods it will last.

Thank you both for the responses!

I have tried games as well. I've run Crysis 2 and Borderlands 2 for about half an hour each, keeping my camera fixed in a position that ensured 100% GPU load (My processor is normally a bottleneck <.<) and there was no crash, nor were there any signs of artefacts. The only anomaly I noticed is a single white-ish line that kept cutting through the top of Sapphire Trixx, but that was not seen anywhere else.. Neither in browsers, nor messengers, nor the games.. So I can only assume that's an issue with Trixx and not a real artefact.. This can be confirmed by the fact there were no crashes or lock-ups!

Also, my ASIC rating is 89.7% according to GPU-Z, which is what I use to measure my temps. I guess I got real lucky with my video card! I should note however that these temps are with the fan at 100%. It is noisy but doesn't bother me since I always use headphones. ^^

I also don't plan on pushing it this hard all the time, of course. I just want to find out how high it can go. I think I'll leave it at 100% load in a game or two for several hours to ensure it's actually stable. I know from experience 30 minutes of testing is not always enough. biggrin.gif

EDIT: Oh, and about my country. I'm from Slovenia. Mentioning since it was asked.
Edited by garanixx - 11/30/12 at 6:45pm
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post #5 of 11
Quote:
Originally Posted by garanixx View Post

Thank you both for the responses!
Also, my ASIC rating is 89.7% according to GPU-Z, which is what I use to measure my temps. I guess I got real lucky with my video card! I should note however that these temps are with the fan at 100%. It is noisy but doesn't bother me since I always use headphones. ^^
I also don't plan on pushing it this hard all the time, of course. I just want to find out how high it can go. I think I'll leave it at 100% load in a game or two for several hours to ensure it's actually stable. I know from experience 30 minutes of testing is not always enough. biggrin.gif
EDIT: Oh, and about my country. I'm from Slovenia. Mentioning since it was asked.

thats a very nice asic rating. also there is not point in pushing 1260mhz for a 1080p monitor. even at 1.1 Ghz you are going to max out every game out there and run at 60 fps. beyond 60 fps its not going to matter on a 60 Hz monitor. so i advise you to lower clocks. if you can hit 1.1 ghz at stock voltage or with a slight voltage increase that would be great. you would match the HD 7970 Ghz performance. and thats a lot of performance for 1080p. running the fan at 50% would reduce noise. in trixx you can also setup custom fan profiles eg : upto 50c - 30% , 50 to 60c - 40% , 60 to 70c - 50% , 70 to 75c - 60%, 75+c - 70%.
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post #6 of 11
Thread Starter 
Figure I may as well ask this in the same thread:

I mentioned a white flickering white line in Sapphire Trixx. It's near the top of the interface.. Scraping the upper edge of the letters TRI and going through the upper bit of the double X.

It starts to appear whenever I push the core clock past 1200 mhz, regardless of voltage, and the higher the clock is, the more it flickers.. Has anyone ever seen something like that before? The really strange thing is.. If this is an artefact, why is it only visible in Trixx and nowhere else? Games, desktop, browser, etc.. Don't artefact at all.

Thanks for any input, it is appreciated!
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post #7 of 11
Quote:
Originally Posted by garanixx View Post

Figure I may as well ask this in the same thread:
I mentioned a white flickering white line in Sapphire Trixx. It's near the top of the interface.. Scraping the upper edge of the letters TRI and going through the upper bit of the double X.
It starts to appear whenever I push the core clock past 1200 mhz, regardless of voltage, and the higher the clock is, the more it flickers.. Has anyone ever seen something like that before? The really strange thing is.. If this is an artefact, why is it only visible in Trixx and nowhere else? Games, desktop, browser, etc.. Don't artefact at all.
Thanks for any input, it is appreciated!

if its not appearing at 1175 Mhz just push back your clocks. always stabillity first. then performance.
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post #8 of 11
Thread Starter 
Yes, but my point is: If this were a stability issue, wouldn't games artefact as well? But they don't.. Nothing apart from Trixx shows any sign of an artefact, ever.
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post #9 of 11
I would just settle at 1150mhz to be 100% sure smile.gif
post #10 of 11
Thread Starter 
Ran BF3 for 1 hour at 1250/1700 @ 1175mV.. No driver crash, no lock-ups, no artefacts.
Edited by garanixx - 12/1/12 at 4:59am
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