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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 390

post #3891 of 38704
Quote:
Originally Posted by tsm106 View Post


ASIC numbers aka leakage doesn't mean squat unfortunately. The rule is that there are no rules, binning etc that determine individual silicon overclock abilities. That whole binning myth should have been dispelled with Tahiti because the overall quality of the silicon is freaking high so all leakages can hit their stock clocks.


Wondering if you've seen this yet:

GPU-Z v0.5.9.JPG

 

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post #3892 of 38704
Quote:
Originally Posted by chillgreg View Post


Wondering if you've seen this yet:

GPU-Z v0.5.9.JPG

 


Let me ask you what does that suggest about your silicon's overclocking prowess?
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post #3893 of 38704
Quote:
Originally Posted by Daffie82 View Post

Hi Guys I am new here and have been reading this thread lately to gain some knowledge.
Now I still have some question about overclocking my SAPPHIRE Radeon HD 7950 OC Version.
- ULPS is NOT disabled since I am not running in crossfire (only got 1 card); this is correct I assume?
- First changed the powertune (dont know exactly how it is called again) function in AMD overdrive to +20%; I read this is needed for keeping clocks constant, correct?
- After that I used Trixx (latest version from Sapphire site) to overclock core + memory and to raise the voltages.
Now first question : do I need to flash my Bios to be able to raise the voltages on my card?
Because when using Trixx it seems it did not save my new voltages, always going back to stock values (at least according to Trixx). Or is this due to the program itself and should I use Afterburner for raising the voltage?
I now got it running at 1000/1500, but this is afaik on stock voltages. If I could increase it I think it can go further!
Thanks alot for your help and suggestions, greatly appreciated.

I read in this thread somewhere that the +20% in amd overdrive does not work well in combination with Trixx and that I should disable ULPS (even for 1 card).
So Overdrive back to standard value and ULPS to off. Will this help for better overclocking my SAPPHIRE Radeon HD 7950 OC Version?

Also for Trixx to work, does it need to run constantly in the background? (dont think so, just want to make sure)
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post #3894 of 38704
Quote:
Originally Posted by Daffie82 View Post

I read in this thread somewhere that the +20% in amd overdrive does not work well in combination with Trixx and that I should disable ULPS (even for 1 card).
So Overdrive back to standard value and ULPS to off. Will this help for better overclocking my SAPPHIRE Radeon HD 7950 OC Version?
Also for Trixx to work, does it need to run constantly in the background? (dont think so, just want to make sure)

You DO NOT need to touch ULPS on a single card setup.
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post #3895 of 38704
Quote:
Originally Posted by tsm106 View Post


Let me ask you what does that suggest about your silicon's overclocking prowess?


 

Not a hell of a lot that's good. I was more interested in your thoughts on their suggested interpretation...

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post #3896 of 38704
Quote:
Originally Posted by chillgreg View Post


 

Not a hell of a lot that's good. I was more interested in your thoughts on their suggested interpretation...


It doesn't matter much to me. From that, low leakage is best for stock clocks, but who the hell is a member of this forum and wants to run at stock clocks, er... moving on. The only thing that makes sense is the LN2, where low leakage is best for sub zero clocking.

Bottom line is we all have to buy a ticket for the overclocking lottery regardless of leakage level.
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post #3897 of 38704
Quote:
Originally Posted by tsm106 View Post

Two is better than one, much like Double Mint.

Not everyone wanna pay to get crossfire issues. smile.gif I would definitely get two myself if it weren't for that.
Edited by Sebe - 2/14/12 at 9:38am
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post #3898 of 38704
Quote:
Originally Posted by tsm106 View Post


It doesn't matter much to me. From that, low leakage is best for stock clocks, but who the hell is a member of this forum and wants to run at stock clocks, er... moving on. The only thing that makes sense is the LN2, where low leakage is best for sub zero clocking.
Bottom line is we all have to buy a ticket for the overclocking lottery regardless of leakage level.


Why don't they sell 2 versions?:

 

a) A cheaper "base" card; and

b) A say 50 dollar premium "Pro" card for overclocking with guaranteed binned chips.

 

They'd make more profit, get potentially more market share, and definitely have more satisfied customers.

 

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post #3899 of 38704
Quote:
Originally Posted by Daffie82 View Post


I read in this thread somewhere that the +20% in amd overdrive does not work well in combination with Trixx and that I should disable ULPS (even for 1 card).
So Overdrive back to standard value and ULPS to off. Will this help for better overclocking my SAPPHIRE Radeon HD 7950 OC Version?
Also for Trixx to work, does it need to run constantly in the background? (dont think so, just want to make sure)

Yes.
 

 

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