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[Official] NVIDIA GTX 780 Owner's Club - Page 1776

post #17751 of 24915
Quote:
Originally Posted by eXXon View Post

Not sure if you're talking about 'Coil' whine, but if so then it's normal with some cards.
It also goes away on some cards after a few weeks of use.
If you have Crysis2, run it and stay on the main menu before going to sleep with V-Sync Off.

coil whine is happen with the stock cooler fan??
mine is under water so i wondering if is the same thing or different
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post #17752 of 24915
Quote:
Originally Posted by pompss View Post

coil whine is happen with the stock cooler fan??
mine is under water so i wondering if is the same thing or different

Coil whine happens regardless of what cooling you have installed.
It has to do with electronic components on the card's PCB resonating at certain frequencies/temps.
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post #17753 of 24915
Quote:
Originally Posted by eXXon View Post

Coil whine happens regardless of what cooling you have installed.
It has to do with electronic components on the card's PCB resonating at certain frequencies/temps.

the noise doesn't bother me i just wondering if in the long time this coil whine will affect the life of the card.
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post #17754 of 24915
Quote:
Originally Posted by pompss View Post

the noise doesn't bother me i just wondering if in the long time this coil whine will affect the life of the card.

No, not to my knowledge.
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post #17755 of 24915
Considering finaly upgrading my GTX580 to a 780, Do yo you guys think the improvement would be worth the price tag?
    
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post #17756 of 24915
Quote:
Originally Posted by Slayem View Post

Considering finaly upgrading my GTX580 to a 780, Do yo you guys think the improvement would be worth the price tag?

Yes I do, go for it!thumbsupsmiley.png It'll blend in nice with your system specs.

Keep the 580 as a back up, not a bad back up card.
    
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post #17757 of 24915
Quote:
Originally Posted by pompss View Post

guys i hear electrical buzzing sound come from my the 780 with ek full water block.
Something to worry about it??
my gtx 780 reference overclock pretty well 1387mhz core. even with low voltage and default clock speed i hear the same noise.
I did the stress test with cpu only and the sound is not there.
Only when i start gaming, valley and 3d mark i hear this noise.

I've had that on most of my Classifieds. Search coil whine and also inductor buzz. One of the better descriptions that I've heard is that the card is making a "hissing" or "sizzling" sound. I don't get it at stock really but OCed I get it on all 3 of the Classifieds that I've OCed.
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post #17758 of 24915
Quote:
Originally Posted by pompss View Post

the noise doesn't bother me i just wondering if in the long time this coil whine will affect the life of the card.

Here is a quote from one of my articles:

"Coil whine is mechanical resonance of the coil with the frequency of the signal passing through it. Physically, a coil is just loops of wire, sometimes with a core other than air. If the frequency of the signal is in resonance with the physical wires of the coil, the coil may vibrate! The vibration is beyond human hearing but some times it's in the range of human hearing.
There are many electrical parts/circuits which can cause whining noises, so don't just assume you are hearing coils. Annoying buzzing/electrical sound(s) are unlikely to emanate from a coil - you have something else making noise. Whining is caused by a part (or parts) physically vibrating.
Unto itself, voltage is not going to cause a whining sound. Voltage is electrical potential (actually, EMF); current through a device is dependent on the voltage across it. With a GPU, changing the voltage probably changes the operating frequency of various components within the chip, however something is probably in resonance with the signal."


Cheers

Ed

(Team skyn3t)
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post #17759 of 24915
I traded someone a classy for an sc acx to complete my 3x sli. what are the chances of the card i got from him was made the same day. in fact the seriel number is identical except 1 digit is different. both are twin samsung cards. the third is a hynix ram card. cant win em all huh:)
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post #17760 of 24915
still watching power consumption now since the third card is new and i want to make sure my seasonic 1250x is enough for 3 780s
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