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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1594

post #15931 of 38721
Quote:
Originally Posted by Plutonium10 View Post

I just changed my PSU to a Corsair AX850 and now my Sapphire 7970 has even more coil whine than before! I can hear it buzzing away in the background whenever I scroll down a web page or sometimes even when I 'm just moving my mouse around. Is there anything I can do about it short of trying to RMA it and spending who knows how long without a GPU?

Could be the psu, set it up outside of the case and listen.
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post #15932 of 38721
It's the card for sure. I just double-checked.
Edited by Plutonium10 - 9/17/12 at 7:07pm
post #15933 of 38721
I've been reading this article http://www.anandtech.com/show/5458/the-radeon-hd-7970-reprise-pcie-bandwidth-overclocking-and-msaa and now I'm a little worried about the bandwidth that my mobo can deliver.It's still a PCI-E 2.0 and at x16(8GB/s) there is almost no difference between PCI-E 2 and 3 but when it comes down to PCI-E 2 at x8(4GB/s) then the article clearly states that the 7970 will be bottleneck mad.gif.

I'm thinking of getting another 7950 and they will be running at PCI-E 2 x8/x8 in my motherboard,will that bottleneck my 2 cards?

There are no PCI-E 3.0 AMD chipsets yet! It's not like I can get another mobo and that's it,i'd have to go intel.
I just can't beleive how AMD didn't see this coming,they are the same manufacturer of the video card.
 
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post #15934 of 38721
So guys I got a Sapphire Vapor-X 7970 the other day and just got a change to really mess with it and the fan makes a rattling noise. sad-smiley-002.gif

Any tricks with the card to maybe get the fan to shut up? I really don't want to send it back. Thanks.
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post #15935 of 38721
Quote:
Originally Posted by PcG_AmD View Post

I've been reading this article http://www.anandtech.com/show/5458/the-radeon-hd-7970-reprise-pcie-bandwidth-overclocking-and-msaa and now I'm a little worried about the bandwidth that my mobo can deliver.It's still a PCI-E 2.0 and at x16(8GB/s) there is almost no difference between PCI-E 2 and 3 but when it comes down to PCI-E 2 at x8(4GB/s) then the article clearly states that the 7970 will be bottleneck mad.gif.
I'm thinking of getting another 7950 and they will be running at PCI-E 2 x8/x8 in my motherboard,will that bottleneck my 2 cards?
There are no PCI-E 3.0 AMD chipsets yet! It's not like I can get another mobo and that's it,i'd have to go intel.
I just can't beleive how AMD didn't see this coming,they are the same manufacturer of the video card.



Best bet is to ignore anandtech. There's maybe 1-2% difference. Bottleneck lol, so dramatic.
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post #15936 of 38721
Can i join the Club biggrin.gif



post #15937 of 38721
I just received mine today, the HIS 7970 x2


Only 73.6% asic qual tho
post #15938 of 38721
Quote:
Originally Posted by broadbandaddict View Post

So guys I got a Sapphire Vapor-X 7970 the other day and just got a change to really mess with it and the fan makes a rattling noise. sad-smiley-002.gif
Any tricks with the card to maybe get the fan to shut up? I really don't want to send it back. Thanks.

You can replace the fans on the cooler or switch the whole cooler to a aftermarket one. Both break the warranty however so you should just send it back.
     
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post #15939 of 38721
Quote:
Originally Posted by tsm106 View Post

Best bet is to ignore anandtech. There's maybe 1-2% difference. Bottleneck lol, so dramatic.

Lol that's why I'm asking here the forum I trust the most.smile.gif
I won't be dramatic if there is a 2% difference,not at all I was just asking cause I wasn't sure.
Now ill just get another 7950.
 
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post #15940 of 38721
Yeah there is a few conflicting reports on PCIE 3 and 2 and the Anandtech one is more alarming. Others have shown that for the 7970 PCIE 2.0 x8 is adequate with minimal performance hit 1-2%. Which consequently means PCIE 3.0 x4 is also enough - which has some great cost saving options when picking out future CF mobos.
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