Which 7970 overclocks best

There's still one bit missing though, tweaking performance. Now initially I wanted to wait with this article until 3rd party tweak tools would allow for voltage tweaking on the Tahiti GPU. Here at Guru3D we develop MSI's AfterBurner and while the VTweak project on the is work in progress I just couldn't let you miss out on default overclocking as the results are phenomenal really.

Seriously, in the review we already mentioned that a little twiddling with the card allowed for much higher clock frequencies. However after actually spending more then 2 minutes I got flabbergasted. Feb 10, 5, 1 26, Dec 25, 80 0 10, 0. Okay, first, if you have a reference card with a reference cooler, I wouldnt recommend any overclock over mhz, thats all. You can set it later.

Then, push your clocks straight to 1ghz and push the voltage up to 1. Loop heaven or any stress programs. If after half an hour it did not have any errors and temps are below 85 max, push the clocks up to 1. Continue previous step, if temps exceed, stop overclock and refer to the last step. If benchmark crashes, push voltages up straight to 1. If everything passes, I would recommend 1. And then slowly reduce voltage until failure.

If you have a power edition or a lightning edition, you are set, those are my fav to overclock. And voltage to 1. DO the test, if it passes, continue pushing up the clocks till it reaches 1. Thanks guys. And its a sapphire ghz ed 3gb says in the thread title. So its preset to mhz. Best answer selected by ltbenjamin. You must log in or register to reply here. Then re-clock to same settings and is stable but issue repeats following day?

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Jan 3, 3 Received my Sapphire OC last night, wanted to add some initial numbers. The stock voltage of the Sapphire card is 0. I was only able to get core stable on stock Sapphire volts. Bumping voltage to 1. Correction on the HardOCP review first record. Their Trixx screenshot shows 1. It seems to read. Does vdroop apply to GPUs as well? OCGuy Lifer.

Jul 12, 27, 26 Great thread. I just installed my , and am ready to play around! Absolute0 Senior member. Nov 9, 21 I think it's important to point out that of the reviews I read the reviewers overclock in a very restrained manner in terms of fan usage.

So these clocks don't compare well to people on the forums who are using higher fan speeds. I just think a lot of the reviewer's numbers looked low. Most people who know how to clock are getting way higher numbers. But I see the point, clocks higher, but not by much. Thanks for rounding up the data, with volts, good stuff.

At mhz core, stock voltage, my maximum temp in BF3 after an hour was 69, and max fax speed was WildThane Member. Is this the case? Also the OC headroom is impressive. Good job Gigabyte. It's about time for a new design! Gfx cards having a fan upside down blowing air back to the PSU or blowing hot air to the rear were the only air cooling solutions I knew; only one can dream with a gfx card with enough holes on it so hot air from the PSU can pass by.

Nice looking card, but I think my GTX is sexier. I am positive that there will be a need for a wholly n' separatedly second mobo dedicated to graphics only for gamers!! Just cram more memory in the graphics! If your going to push a Tahiti that far must as well go aqua.

Duke Nukem HD, anyone? Guess mobo makers will have to give more space around the PCI-e x16 slot in the future or case makers will have to add an air conditioner with room to store soda cans in the cases.. Hackers can tack a 10, Btu air conditioner with the case!!

Great review TS. The card has sweet performance I'm still getting a It still remains very quiet at load and has overclocking headroom no worse than this Gigabyte card.