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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1645

post #16441 of 38701
Go back to stock speed settings. Work up the highest Core overclock you can get. With memory at stock. Once, you get artifacting or crashes. Back down about 50Mhz. Make sure your stable at that speed. Once good, record that. Then core back to stock, and do the same but for the memory. Then you should have your max OC.
Also, open GPU-z and top bar, right click AISC quality. Others with better knowledge will probably want to know that, seems certain % are better for water, some are better for air OCing.
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post #16442 of 38701
Quote:
Originally Posted by Rebelord View Post

Go back to stock speed settings. Work up the highest Core overclock you can get. With memory at stock. Once, you get artifacting or crashes. Back down about 50Mhz. Make sure your stable at that speed. Once good, record that. Then core back to stock, and do the same but for the memory. Then you should have your max OC.
Also, open GPU-z and top bar, right click AISC quality. Others with better knowledge will probably want to know that, seems certain % are better for water, some are better for air OCing.

Thanks for the reply. What you said seems to be the same as the guide posted by coffeejunky, which was what I did before asking for help. Current ASIC quality seems to be 70.2%. Any thoughts on that?
post #16443 of 38701
I am not a ASIC guru, so I would just do a search for the in this thread or the ATI video card sub forum and see what you get. Best, I can offer ATM.
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post #16444 of 38701
Thanks for the help either way.
post #16445 of 38701
Should be receiving my 7950 today :O biggrin.gif
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post #16446 of 38701
Quote:
Originally Posted by Gooberman View Post

Should be receiving my 7950 today :O biggrin.gif

Nice, what you upgrading from?
post #16447 of 38701
Quote:
Originally Posted by bacccloak View Post

I need help.
My Gigabyte 7970 OC is not getting speeds like others in the forum.
Stock voltage at 1.17 and +20% power limit.
The best I could do was 1165/1600.
Is there anything I should take note of?

That is a perfectly acceptable OC right there. Lines up well with the voltage you're using. Going for 1200MHz usually needs 1.2V+ which means a lot more power consumption, heat and noise. If you want to go there, then pump up the voltage (if not locked, some of those Gigabyte 7970s seem to be) but for 24/7 I'd say 1165/1600@1.17V is a well balanced OC.

Edit: Don't mind the ASIC quality, it has little to do with the OC capability of an individual card.
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post #16448 of 38701
Quote:
Originally Posted by bacccloak View Post

I need help.
My Gigabyte 7970 OC is not getting speeds like others in the forum.
Stock voltage at 1.17 and +20% power limit.
The best I could do was 1165/1600.
Is there anything I should take note of?

My Gigabyte 7970 OC maxed out at around 1230/1810 for benchmarking so don't feel bad if you can't go higher. I had to crank my voltage to 1.3v on the core to get it there using Sapphire Trixx. Definitely not a 24/7 clock.
post #16449 of 38701
Quote:
Originally Posted by specopsFI View Post

That is a perfectly acceptable OC right there. Lines up well with the voltage you're using. Going for 1200MHz usually needs 1.2V+ which means a lot more power consumption, heat and noise. If you want to go there, then pump up the voltage (if not locked, some of those Gigabyte 7970s seem to be) but for 24/7 I'd say 1165/1600@1.17V is a well balanced OC.
Edit: Don't mind the ASIC quality, it has little to do with the OC capability of an individual card.

I don't think the voltage is locked. Slider on the MSI Afterburner seems to be working. Anyway to confirm that it works for sure? Anyway, thanks for the confirmation that the card is decent.
Quote:
Originally Posted by Farmer Boe View Post

My Gigabyte 7970 OC maxed out at around 1230/1810 for benchmarking so don't feel bad if you can't go higher. I had to crank my voltage to 1.3v on the core to get it there using Sapphire Trixx. Definitely not a 24/7 clock.

Is it something that has to do with Gigabyte? Seems like I am not the only one that has problems with this card. Good to hear that I am not that far off of from a good clock.
post #16450 of 38701
Quote:
Originally Posted by bacccloak View Post

I don't think the voltage is locked. Slider on the MSI Afterburner seems to be working. Anyway to confirm that it works for sure? Anyway, thanks for the confirmation that the card is decent.

GPU-Z or HWinfo will show you the actual voltage delivered to the chip. Mind you that the stock 1.17V will show as something around 1.1V when the card is stressed. If that goes higher once you apply a higher voltage in AB, you know the voltage control works.
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