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What types of 7970's don't whine? - Page 2

post #11 of 31
All cards have that, i can't remember my 1950xt had that but 4850 definitely had. With 6850, I notice some whining on WoW login and character screen. Never in any 3d environment.
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post #12 of 31
Quote:
Originally Posted by ledzepp3 View Post

Now it seems like I need to consider the quality of my card, as well as the quality of my PSU.. Seems like more of the PSU to me tongue.gif

Yeah, you're right. The same with tsm106's response. It's not always the case. It could be the PSU, the GPU or both. It's frustrating find the cause of these niggles when having a custom built PC.

If it was me... Well, it is me also, as I have coil whine with my current build. It's not as bad as yours might be, but if it was, I would change the PSU first. But as always, that's just my opinion.
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post #13 of 31
i've had 2 HD7970s whine and my PSU is pretty decent. Both had totally different PCBs but the reference one was insanely noisy though it had a high ASIC and OCd like a beast.
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post #14 of 31
Hi I have the sapphire 7970 vapor X 6gb
It is virtually silent I play BF 3 on a ups monitor will all settings on ultra I get frame rates of 59 fps which I fix to my monitors refresh rate. No coil whine fan noise is not noticeable i have my computer right next to me too.
post #15 of 31
Here's a bit more info.

I tested wow login and char selection screen with RadeonPro. It's set to 59fps limit, and nothing else, everything default. There's no coil whine.

I noticed, at login screen, the speed changes between 100mhz and 600mhz. And Char selection screen, 600mhz - 850mhz. There may be an extra component probably a Capacitor on the PCBs that only runs when changing voltage according to speed. So it may be related to doing very low duty 3d work on low speeds and something whines in that case because it may not be intended.

Char selection screen is a 3d environment but it runs at 600mhz if the background is not animated. If animated like Death Knight snowing, then it's 850mhz. Still, 59 fps limit and no coil whine.
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post #16 of 31
Capacitors do not vibrate or move.
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post #17 of 31
I meant coils. You know there are PSUs with their coils are sealed with some substance. To prevent harmonic distortion / Coil whine i guess.



I guess these should be filled too on VGA cards.
Edited by Catscratch - 5/17/13 at 2:46am
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post #18 of 31
My 7970 whines when it reaches over 6000fps in loading screens xD
post #19 of 31
Thread Starter 
Has anyone heard of the 7970 Lightening Edition cards whining, or the older MSI Boost Edition cards?
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post #20 of 31
Quote:
Originally Posted by ledzepp3 View Post

Has anyone heard of the 7970 Lightening Edition cards whining, or the older MSI Boost Edition cards?


Everything has the potential to suffer coil whine. Nothing is guranteed.
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