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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1786

post #17851 of 38701
Quote:
Originally Posted by rdr09 View Post

could be a number of things like thermal pad application. but your load temps are really low (maybe because of your ambient). mine goes up to 40C for one gpu.
anyway, have you posted here because that lovely build certainly deserves it . . .
http://www.overclock.net/t/584302/ocn-water-cooling-club-and-picture-gallery

I am not sure if it has to do with thermal pad application since the average temp of the 2 vrms of one card equals to the identical vrm temps of the other card. Also, when at idle, all vrm temps are equal ~ 29C.

I just wish i knew where vrm1 and vrm2 are located.

Anyway, still temps are pretty low in general, so i dont worry smile.gif

Thanks for your kind words... I have posted more pictures here:
http://www.overclock.net/t/584302/ocn-water-cooling-club-and-picture-gallery/31830#post_18578582
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post #17852 of 38701
lol your vrms are great compared to mine running furmark mine hit 84c and 69c with my waterblock even took it off and put it back on same result.
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post #17853 of 38701
Hey everyone, new to the red team. Just upgraded from the Gigabyte 570 Super Overclock to a Gigabyte 7950 and I'm loving the results so far! Just a few questions. Does ASIC really matter? On my 570 my ASIC was 93%, and the card certainly overclocked well beyond any other 570 in our overclocking thread. On my 7950 the ASIC is 57%, which is kind of worrying if it's really a semi important factor. My card came out of the box at 900 core 1250 memory @ 1.093v, is this high voltage for this clock or about normal? I have the card currently running at 1125/1400 @ 1.2v while I'm toying around with the settings. Max temps I've seen at this voltage is 65c core and 73c VRM while stressing under MSI Kombustor for some quick temp readings. So just a few questions; what's a decent overclock for a 7950, as well as maximum tolerable temperatures for both core and VRM, and what's more important for overclock, higher core or a mix of core and memory?
post #17854 of 38701
Quote:
Originally Posted by Shiromar View Post

Hey everyone, new to the red team. Just upgraded from the Gigabyte 570 Super Overclock to a Gigabyte 7950 and I'm loving the results so far! Just a few questions. Does ASIC really matter? On my 570 my ASIC was 93%, and the card certainly overclocked well beyond any other 570 in our overclocking thread. On my 7950 the ASIC is 57%, which is kind of worrying if it's really a semi important factor. My card came out of the box at 900 core 1250 memory @ 1.093v, is this high voltage for this clock or about normal? I have the card currently running at 1125/1400 @ 1.2v while I'm toying around with the settings. Max temps I've seen at this voltage is 65c core and 73c VRM while stressing under MSI Kombustor for some quick temp readings. So just a few questions; what's a decent overclock for a 7950, as well as maximum tolerable temperatures for both core and VRM, and what's more important for overclock, higher core or a mix of core and memory?

My card is exactly the same out of the box, I assume you've got the Windfore 3x also?
I'm stable at 1100/1400 with 1.149v and a max temp of 78c with MSI Kombustor, my ASIC is something like 64.8% also. I bet if I tweaked it more I could either get the voltage down a bit or the core up more I just can't be stuffed with afterburner and unofficial OC limits.
 
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post #17855 of 38701
Quote:
Originally Posted by Shiromar View Post

Hey everyone, new to the red team. Just upgraded from the Gigabyte 570 Super Overclock to a Gigabyte 7950 and I'm loving the results so far! Just a few questions. Does ASIC really matter? On my 570 my ASIC was 93%, and the card certainly overclocked well beyond any other 570 in our overclocking thread. On my 7950 the ASIC is 57%, which is kind of worrying if it's really a semi important factor. My card came out of the box at 900 core 1250 memory @ 1.093v, is this high voltage for this clock or about normal? I have the card currently running at 1125/1400 @ 1.2v while I'm toying around with the settings. Max temps I've seen at this voltage is 65c core and 73c VRM while stressing under MSI Kombustor for some quick temp readings. So just a few questions; what's a decent overclock for a 7950, as well as maximum tolerable temperatures for both core and VRM, and what's more important for overclock, higher core or a mix of core and memory?

1100 - 1150 Mhz is decent. 1200 Mhz is very good . 1250 - 1300 Mhz is golden. Also the core clocks are most important. Get the highest core possible and then tweak memory. also don't use furmark or kombustor for stability testing. BF3, Heaven 3.0, 3D Mark 11 are quite a good indication of stability in real world apps.
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post #17856 of 38701
Quote:
Originally Posted by Matt-Matt View Post

My card is exactly the same out of the box, I assume you've got the Windfore 3x also?
I'm stable at 1100/1400 with 1.149v and a max temp of 78c with MSI Kombustor, my ASIC is something like 64.8% also. I bet if I tweaked it more I could either get the voltage down a bit or the core up more I just can't be stuffed with afterburner and unofficial OC limits.

Yup, Windorce x3 too. I'm mainly wondering what "safe" voltages and temps are so that I don't end up pushing the card too hard. I guess it truly doesn't matter much, considering out of the box the card maxes BF3. There's the addiction of overclocking new hardware though that I just can't get past! biggrin.gif
post #17857 of 38701
As Wizard from Techpowerup said, Gigabyte is screening the cards. All Windforce cards have low ASIC quality. My previous had 71% and now 62%. I don't know why they do that. That's the reason on their new 1Ghz BIOS they use insane amount of Voltage ( 1.2+ ), obviously to make sure it will work on all cards without problem.

Since Gigabyte officially applies 1.2+V, I would take that as limit. Although, I find it too much. Like you, both cards for 1.1Ghz needed 1.149V.

Personally I'd prefer 80+ ASIC quality. This card is like broken ( 62% ). 1.093V default voltage while the previous ( 71% ) had 1.031V. Imagine 80+... Below 1V.
Edited by Deo Domuique - 11/12/12 at 11:36pm
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post #17858 of 38701
Quote:
Originally Posted by Shiromar View Post

Yup, Windorce x3 too. I'm mainly wondering what "safe" voltages and temps are so that I don't end up pushing the card too hard. I guess it truly doesn't matter much, considering out of the box the card maxes BF3. There's the addiction of overclocking new hardware though that I just can't get past! biggrin.gif

Same! biggrin.gif

1.3v is a bit high for 24/7 on air, my limit that I'd do personally is 1.25v in all reality.. Though 1.3v might be OK if you've got good cooling. Temps, well you really want to stay below 80c but the low-mid 80's should be OK as long as it's stable. As for the memory voltage from what I've seen 1.7v should be fine, MSI AB wants to give the memory 1.6v for some reason at stock but it runs fine at 1250MHz with 1.5v however. I've got it at 1400 at 1.6v (stock) if you didn't see in my rig. thumb.gif
 
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post #17859 of 38701
Quote:
Originally Posted by Matt-Matt View Post

Same! biggrin.gif
1.3v is a bit high for 24/7 on air, my limit that I'd do personally is 1.25v in all reality.. Though 1.3v might be OK if you've got good cooling. Temps, well you really want to stay below 80c but the low-mid 80's should be OK as long as it's stable. As for the memory voltage from what I've seen 1.7v should be fine, MSI AB wants to give the memory 1.6v for some reason at stock but it runs fine at 1250MHz with 1.5v however. I've got it at 1400 at 1.6v (stock) if you didn't see in my rig. thumb.gif

Alright, I'm comfortable with my current overclock of 1125/1400 @ 1.2v and 1.5v memory which is netting 80-90 fps in BF3 @ultra, which is good enough for tonight. When I have time I'll sit down and find tune and tweak until I can find a comfortable max.
post #17860 of 38701
Quote:
Originally Posted by Shiromar View Post

Alright, I'm comfortable with my current overclock of 1125/1400 @ 1.2v and 1.5v memory which is netting 80-90 fps in BF3 @ultra, which is good enough for tonight. When I have time I'll sit down and find tune and tweak until I can find a comfortable max.

Nice, same. I'm rather happy with mine at 1.149v for 1100MHz (maxing the slider in AB) and 1400MHz on the memory. I plan to play with it after exams and such, my card gets rather hot though. The VRM's are really terrible and there's no way to check the temps either.
 
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