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7950 Vapor X Voltage Locked? - Page 99

post #981 of 1056
Quote:
Originally Posted by glina View Post

I don't think this is the case.
Good chip or bad chip now gets the same voltage.
You will see some differences (+-5%) because of varying vdroop but that's it.

i disagree.


Look at my Sapphire 950mhz Edition with 89% ASIC score pushing 1300/1700 on 3dmark11 with less than 1.2v.



The Vapor X HD7950 BOOST edition with 57% ASIC score could hardly run stock clocks with 1.25v.

The ASIC score is important.
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B.K.T.
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post #982 of 1056
If your 950MHz ed came with stock locked @ 1.25V it would get an ASIC score ~60%. This is what's happening with new cards. You cannot draw conclusions about their overclockability based only on ASIC score.
post #983 of 1056
Quote:
Originally Posted by SonDa5 View Post

i disagree.


Look at my Sapphire 950mhz Edition with 89% ASIC score pushing 1300/1700 on 3dmark11 with less than 1.2v.



The Vapor X HD7950 BOOST edition with 57% ASIC score could hardly run stock clocks with 1.25v.

The ASIC score is important.

Hello, I´m disagree with you too.

ASIC might be important for sure. But My HD7950 Vapor-X Boost ED has an ASIC of 58% but does overclock really well.

On Afterburnet with 1.18V set (then goes 1.12V vdroop) I clock 1120/1500 so far with really good temps rock solid. So saying that with 57% ASIC could hardly run stock clocks with 1.25V is exagerated.

See ya!
post #984 of 1056
Quote:
Originally Posted by Aioras View Post

Hello, I´m disagree with you too.

ASIC might be important for sure. But My HD7950 Vapor-X Boost ED has an ASIC of 58% but does overclock really well.

On Afterburnet with 1.18V set (then goes 1.12V vdroop) I clock 1120/1500 so far with really good temps rock solid. So saying that with 57% ASIC could hardly run stock clocks with 1.25V is exagerated.

See ya!


You do see the screen shot of my SApphire 950mhz Ediiton with 89% ASIC score running 1300/1700 with less than 1.2v?


Your card isn't locked on voltage mine was. My VApor X HD7950 always ran at 1.25v and clocks would not stick. The clocks always jumped from 850hz to highest set speed of 1201mhz but it wasn't stable. Always jumping around on speed and the voltage would peg at 1.25V under load no matter what. I blame ASIC score as part of the the problem. Other part of the problem probably the BIOS. That card is history now. I didn't compare at all to the great performance my higher ASIC score HD7950 950mhz Ediiton has.
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post #985 of 1056
Quote:
Originally Posted by glina View Post

If your 950MHz ed came with stock locked @ 1.25V it would get an ASIC score ~60%. This is what's happening with new cards. You cannot draw conclusions about their overclockability based only on ASIC score.

That is not true. I have flashed different BIOS on my 950mhz HD7950 and no matter what BIOS with BOOST or whatever I try the ASIC score doesn't change.
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post #986 of 1056
Quote:
Originally Posted by Menin View Post

I don't understand why you would order another 7950 Vapor X. You obviously want more performance and the logical choice would be to buy a 7970. Expecting to overclock beyond what you have is really silly and ASIC scores don't mean a thing in terms of measuring how well it will perform.
I agree completely. I've said that in several threads, not just here but also on other sites. Even with pretty low ASIC you can get a decent to even a really good overclock.
1.2v or 1.3v, who cares? The chip will not die before a new upgrade anyways...
Quote:
Originally Posted by SonDa5 View Post

I expect at least a stable 1300mhz on the core. To me that is acceptable.
"Expecting" 1300MHz of a 7950 chip, that is a huge expectation, way out of reality IMO.
If one would get a 7950 chip that always can do 1300MHz, then Sapphire would have been using that in their 7970 / GHz editions and so on. Not in a 7950...

Expecting 1300 is simply wrong. If you manage to get to 1300MHz, then you are lucky.
If you get to 1100-1200MHz then that is good or atleast more then OK.
Quote:
Originally Posted by SonDa5 View Post

My SApphire 950mhz Edition HD7950 runs 1300\1700 with only 1.22v on the core and the reason it operates so efficiently is because it has a high ASIC score of 89%
I've seen high ASIC(80-95%) cards perform pretty bad aswell.
However, like i said before, even with low ASIC you can achieve pretty good OC.
Like mine is under 60%. I still can run this card at 1200 / 1600MHz. 1200MHz was not something i "expected", and maybe that's the reason i am happy with my card.

Too high expectations and you obviously get disappointed, but for the wrong reasons...
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post #987 of 1056
Quote:
Originally Posted by SonDa5 View Post

i disagree.

Look at my Sapphire 950mhz Edition with 89% ASIC score pushing 1300/1700 on 3dmark11 with less than 1.2v.

The Vapor X HD7950 BOOST edition with 57% ASIC score could hardly run stock clocks with 1.25v.

The ASIC score is important.

Sonda. Could it be that you have received a GOLDEN 950MHz-edition card?
Yes, most likely you have! And comparing that to the new, or old, VP-X 7950, that's just hilarious.

So, please, just stop your BS everywhere. And don't bring up your one GOLDEN card to this thread everytime. mad.gif
Quote:
Originally Posted by glina View Post

If your 950MHz ed came with stock locked @ 1.25V it would get an ASIC score ~60%. This is what's happening with new cards. You cannot draw conclusions about their overclockability based only on ASIC score.
Exactly.
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post #988 of 1056
Quote:
Originally Posted by Falcy View Post

Sonda. Could it be that you have received a GOLDEN 950MHz-edition card?
Yes, most likely you have! And comparing that to the new, or old, VP-X 7950, that's just hilarious.

So, please, just stop your BS everywhere. And don't bring up your one GOLDEN card to this thread everytime. mad.gif
Exactly.

Don't get so bent out of shape. I've seen lots of cards over clock to 1300mhz on the core. I would expect the Vapor X HD7950 to be able to do it as well.

My 950mhz does seem golden and I have gone as fast as 1370mhz on the core on it. I think 1300mhz is good over clock for any HD7950 and I would like to see the Vapor X HD7950 do it.

I'm a firm believer that high ASIC score means quality GPU based on my experience but I think the VApor X HD7950 has problem with the BIOS that is preventing it from over clocking. More than just the ASIC score.



Today I got my 2nd HD7950 VApor X HD7950 and its ASIC score is a lousy 58%. So it looks like if this card doesn't perform I'm going to return it and get my money back and I am done with the Vapor X.

The Elpida memory on these cards doesn't over clock very well compared to card with Hynix memory but I think the memory timings on the Elpida may be alot tighter because I really enjoy how well the Elpida memory feels when gaming.
Edited by SonDa5 - 4/6/13 at 10:59pm
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B.K.T.
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post #989 of 1056
Quote:
Originally Posted by SonDa5 View Post

Today I got my 2nd HD7950 VApor X HD7950 and its ASIC score is a lousy 58%. So it looks like if this card doesn't perform I'm going to return it and get my money back and I am done with the Vapor X.

The Elpida memory on these cards doesn't over clock very well compared to card with Hynix memory but I think the memory timings on the Elpida may be alot tighter because I really enjoy how well the Elpida memory feels when gaming.

You could get the third, fourth and fifth, and they would still have an ASIC of ~60% :-). And it's not because Sapphire chose to put the ****tiest chips they could find around the world.
I suggest you find a better way to evaluate quality.

You've been reading this thread so I'm sure you've seen there are at least 3 members who have ~88% ASIC on their old revision 7950 Vapor-X. I'm one of them.
We all need largely different voltages to reach ~1200MHz and what's more important none of us reached 1300MHz. So it looks to me, also before the ASIC Q was nothing conclusive.
Edited by glina - 4/7/13 at 1:31am
post #990 of 1056
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