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Helpful ReplyVRM coil whine/chirp.

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Graphite8five
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2019/05/27 01:31:30 (permalink)
I've just received a replacement 2080 Ti FTW3 from EVGA that was supposed to have been QC tested prior to being released which has even worse VRM/inductor coil whine/chirping than my original card. I have a high end motherboard (Asus X-Hero) and a brand new Seasonic Prime Ultra 1000W PSU. I'm also plugged into a Cyber Power UPS. I cannot believe that the power delivery from my brand new Seasonic PSU would cause such a racket from the GPU VRM...  


 
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Re: VRM coil whine/chirp. 2019/05/27 02:30:57 (permalink)
It's not the PSU. It's this series VRMs.

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Graphite8five
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Re: VRM coil whine/chirp. 2019/05/27 02:36:49 (permalink)
GTXJackBauer
It's not the PSU. It's this series VRMs.




The VRM design or just bad quality VRM coils? This new one I have makes an absolute racket. 


 
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Re: VRM coil whine/chirp. 2019/05/27 03:24:26 (permalink)
Graphite8five
GTXJackBauer
It's not the PSU. It's this series VRMs.




The VRM design or just bad quality VRM coils? This new one I have makes an absolute racket. 




Here's a fascinating video about coil whine and what causes it. 
 


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Re: VRM coil whine/chirp. 2019/05/27 12:25:37 (permalink)
Fixes for coil whine...
 
#1 Put glue on the noisy coils. Only works if coils are exposed. Will void warranty if done.
#2 Run ati tool overnight to burn the card in. Click show 3d view to start ati render test.
#3 Increase/decrease voltage on the card.
#4 Use frame rate limiter software to limit fps in game to reduce whine.
#5 Try a different psu.
#6 Try a different motherboard.
#7 RMA the card.
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Re: VRM coil whine/chirp. 2019/05/27 13:14:23 (permalink)
Sajin
Fixes for coil whine...

#1 Put glue on the noisy coils. Only works if coils are exposed. Will void warranty if done.
#2 Run ati tool overnight to burn the card in. Click show 3d view to start ati render test.
#3 Increase/decrease voltage on the card.
#4 Use frame rate limiter software to limit fps in game to reduce whine.
#5 Try a different psu.
#6 Try a different motherboard.
#7 RMA the card.
#8 take out back and shoot it with shotgun!


Added #8. The total fix.. everytime! Instant void of warranty but fun! Hehe

Maybe evga will be down with it if it's really bad! Not like they should let someone else deal with that squeal later on from an rma. Hehe

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Re: VRM coil whine/chirp. 2019/05/27 13:15:24 (permalink)

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Re: VRM coil whine/chirp. 2019/05/27 14:27:00 (permalink)
I send all noisy cards back.
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Re: VRM coil whine/chirp. 2019/05/27 18:23:50 (permalink)
That Buildzoid video is great, as usual from him. Now I know why the Gigabyte Aorus Xtreme Waterforce 2080Ti is the only quiet 2080Ti I've personally experienced... it uses the smaller molded type inductors rather than the bigger 2-piece ones that are prone to noise.
 
If I didn't end up with a KPE I would probably go for one of those Gigabyte cards and flash it with a better bios for the power limit. Either that or a Galax HOF OC Lab as they seem to have taken acoustics into consideration in the design, it appears to have been hot-glued or siliconed from the factory.


 
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Re: VRM coil whine/chirp. 2019/05/28 04:18:27 (permalink)
The video is fine, he explains why it happens but ultimately a coil that is very noisy is a crappy coil is it not?


 
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Re: VRM coil whine/chirp. 2019/05/28 05:29:59 (permalink)
All I want to know is can I get a 20 series EVGA card without significant coil whine or are every single manufactured EVGA card suffering from the issue? It seems incredibly unlucky to receive two 2080 Ti FTW3's with the same noise level of coil whine and makes me believe that a large number of cards are affected.
 
Can you please tell me do you have coil whine? If it's possible to get a card without coil whine or only a very small amount then that's what I payed for. It's incredibly time consuming going through RMA especially when you have to send multiple cards back, it's draining.
 
I specifically asked EVGA to test my replacement card for coil whine, it was the reason I RMA'd in the first place yet I receive the "tested" card back with significant coil whine. My understanding is that really bad coil whine is poor quality coils so I fail to believe that every single EVGA card is suffering from poor quality coils...
 
post edited by Graphite8five - 2019/05/28 05:32:02


 
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Re: VRM coil whine/chirp. 2019/05/28 09:52:30 (permalink)
I get coil whine on my RTX 2080 Ti Black Edition.  It kicks in the 120+ FPS range or at least starts singing.  For now, I feel it's not as loud as it used to be as I think it's lessened itself out a bit.

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Re: VRM coil whine/chirp. 2019/05/28 09:54:44 (permalink)
Buy a kingpin.. notice no coil whine on that.. did with the 2080ti ftw3 ultra.. but having a hydro copper block quieted it some as its covers the area.

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Re: VRM coil whine/chirp. 2019/05/28 10:16:19 (permalink)
Coil whine usually come when running at high FPS.
 
Activate vsync and it might stop the whining alltogether.

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Re: VRM coil whine/chirp. 2019/05/28 21:27:36 (permalink)
AHowes
Buy a kingpin.. notice no coil whine on that.. did with the 2080ti ftw3 ultra.. but having a hydro copper block quieted it some as its covers the area.



I would not recommend that, the KPE could be the same. He's upset about having spent the ~$1500 or whatever for an FTW3 that has the issue, he'll be absolutely livid if he spends $1900 only to have the same issue LOL.
 
 
 
To the OP: KPE is just as susceptible to this phenomenon as is any 2080Ti using that same type of inductor, which I'd guess is something like 90% or more of all 2080Ti's. This isn't specific to EVGA cards, it is specific to cards which use the same style of inductor. If it really is a dealbreaker for you, which it seems is the case; perhaps maybe you should look into a refund from EVGA and get a card that you know doesn't use those inductors. There won't be many to choose from but it is what it is. I totally understand the frustration btw, that is not lost on me whatsoever.


 
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Graphite8five
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Re: VRM coil whine/chirp. 2019/05/30 05:30:40 (permalink)
So what sort of Inductor's are EVGA using? The same as the reference Nvidia PCB? Why are they prone to coil whine? Why could EVGA not choose their own inductor's? Is it limitation of the design of the 20 series PCB?
 
I just spoke to someone who owns a 2080 Ti FTW3 and they've said they don't have coil whine at all. So I payed $2500 NZD dollars for coil whine knowing there a cards out there without it. I don't think I have the time or effort to go hunting down a card without as it seems like a lottery, well I suppose unless EVGA were willing to find me that card... I may just get over this and move on, the card otherwise functions well but coil whine this bad is a real let down. Maybe hopefully after 8 months or so it might 'burn in'. 
post edited by Graphite8five - 2019/05/30 05:34:03


 
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degenerate
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Re: VRM coil whine/chirp. 2019/05/30 05:48:18 (permalink)
Graphite8five
So what sort of Inductor's are EVGA using? The same as the reference Nvidia PCB? Why are they prone to coil whine? Why could EVGA not choose their own inductor's? Is it limitation of the design of the 20 series PCB?
 
I just spoke to someone who owns a 2080 Ti FTW3 and they've said they don't have coil whine at all. So I payed $2500 NZD dollars for coil whine knowing there a cards out there without it. I don't think I have the time or effort to go hunting down a card without as it seems like a lottery, well I suppose unless EVGA were willing to find me that card... I may just get over this and move on, the card otherwise functions well but coil whine this bad is a real let down. Maybe hopefully after 8 months or so it might 'burn in'. 



They appear to be the same as the reference design, and the same style as the ones that Buildzoid outlined were known to be prone to noise during operation in the video linked earlier in this thread. It's not a PCB design issue; apparently they are just very good inductors for use in GPU applications, most manufacturers choose to use them these days.
 
On the bright side, my KPE seems to be a little less noisy than when I first installed it, still makes the noise though.


 
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Re: VRM coil whine/chirp. 2019/06/04 18:10:38 (permalink)
On the KPE cards, you can easily observe that they use a different type/brand of inductor entirely. The FTW3 and FE cards et al. all appear to use the same LR47 and LR22 marked inductors, with the LR47 being on the memory and LR22 the core. 
 
I thought Asus claimed to have use cement filled inductors with whatever branding they attached to it, "Super Phase Power II" or some nonsense, but there's anecdotal evidence of those cards having coil whine as well. They are not marked LR22 but with some type of graphic. 
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Re: VRM coil whine/chirp. 2019/06/04 19:19:52 (permalink)
bp7178On the KPE cards, you can easily observe that they use a different type/brand of inductor entirely. The FTW3 and FE cards et al. all appear to use the same LR47 and LR22 marked inductors, with the LR47 being on the memory and LR22 the core. 


That doesn't mean anything about the design and construction. The type and brand could be the same. Those markings have meanings about the inductance value. Different inductance values are expected with such a difference in VRM design. It just means that the coils of wires are thicker or thinner or longer or shorter (more turns or less turns). The design and construction could be the same. They could be made at the same factory.

Kingpin core inductors: 150 nH (nanoHenry) versus 220 nH.
post edited by ty_ger07 - 2019/06/04 19:24:15

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Re: VRM coil whine/chirp. 2019/06/04 20:46:23 (permalink)
Kingpin core inductors: 150 nH (nanoHenry) versus 220 nH.

 
I know what the markings mean. The fact that the marking are different...means...wait for it...they are different. Which was my point. 
 
Other than Asus, I'm unaware of any other manufacturer using a different spec inductor. 
 
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Re: VRM coil whine/chirp. 2019/06/04 20:51:39 (permalink)
bp7178
Other than Asus, I'm unaware of any other manufacturer using a different spec inductor. 



Gigabyte, Galax/KFA2. Probably a couple more if you wanted to dig around for info.
post edited by degenerate - 2019/06/04 20:55:41


 
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Re: VRM coil whine/chirp. 2019/06/05 02:24:49 (permalink)
EVGA have told me the replacement card that they sent to me showed no coil whine on their test system yet on my system it buzzes uncontrollably. I'm finding that difficult to believe because my understanding is that the coil whine on the type of inductors we're discussing are a loose coil on the graphics card not something the PSU or other system components can cause. Or is that incorrect? Can certain PSU/system components cause these type of inductors to produce coil whine?


 
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Re: VRM coil whine/chirp. 2019/06/05 08:03:29 (permalink)
PSU can absolutely cause coil whine.
 
I got a 2080 ti a couple months ago and was suffering from random reboots while gaming.  Turns out it was a bad pcie power cable.
While diagnosing the problem I installed an old PSU I had which solved the rebooting but that PSU gave me crazy amounts of coil whine whereas i get virtually none with my current PSU.
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Re: VRM coil whine/chirp. 2019/06/05 08:31:53 (permalink)
EKWB --->   Everything you need to know about coil whine
 
 
EVGA FAQ ID # 59535
(excerpt)
What is coil whine, and how does it affect my video card?

Answer / SolutionCoil whine is in no way harmful for your card, and does not affect performance or longevity.
Coil whine is simply the vibration of the coil in an inductor as the power passes through it. On a high end graphics card, ten or more large inductors would help provide power to critical components on the card.
This vibration is similar to running a damp finger around the rim of a wine glass. Every inductor in every electronic device has some coil whine, but the vast majority of inductors whine well outside the hearing range of humans. On occasion, an inductor coil vibrates at a frequency in the range our ear can detect. This is particularly common if your card is processing 3D frames at a high rate, 100 FPS+. Coil whine can be particularly prevalent when in a game menu and no FPS cap or V-sync is enabled. You may notice greatly reduced coil when when enabling V-sync as a result.
The combination of hardware components in your system can also affect the amount of coil whine you experience. Different motherboards and power supplies tend to have biggest affect, but adding or removing other components can also change the degree of the coil whine heard.
If you are experiencing severe coil whine with your video card, it's highly recommended to either test the card in a completely different system, or test with another power supply to make sure the whine is isolated to the card itself. If the video card continues to whine badly in either situation, please use the links below to contact support.
To contact EVGA Customer Support:
Login to your EVGA account and submit a support ticket
or
Send us an email:
If you like to reach EVGA by phone,click here to see our phone contact details


 

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Re: VRM coil whine/chirp. 2019/06/05 12:06:20 (permalink)
bp7178
Kingpin core inductors: 150 nH (nanoHenry) versus 220 nH.

 
I know what the markings mean. The fact that the marking are different...means...wait for it...they are different. Which was my point. 


Unfortunately, you said ... wait for it ...

On the KPE cards, you can easily observe that they use a different type/brand of inductor entirely.


The markings mean nothing about brand or type. More than likely, they are the same brand and same type (method of construction).

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Re: VRM coil whine/chirp. 2019/06/05 17:19:40 (permalink)
Loser-P
PSU can absolutely cause coil whine.
 
I got a 2080 ti a couple months ago and was suffering from random reboots while gaming.  Turns out it was a bad pcie power cable.
While diagnosing the problem I installed an old PSU I had which solved the rebooting but that PSU gave me crazy amounts of coil whine whereas i get virtually none with my current PSU.


Interesting, what were/are the PSU's? So if the PSU can cause the GPU to coil whine how does it do so? 


 
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Re: VRM coil whine/chirp. 2019/06/05 18:41:36 (permalink) ☄ Helpfulby Graphite8five 2019/06/05 22:52:29
I strongly encourage you to watch the video in post #4. It seems that you may have not watched it or not understood fully everything that he said.

As he said, the VRM operates at a frequency higher than human audible range. The VRM is a PWM (Pulse Width Modulation) controlled buck converter. The VRM is making noise all of the time, but usually you can't hear it because it is above the human audible frequency range. The "coil whine" that you are hearing is lower frequency harmonics. The PSU operates using PWM also and is also a buck converter. A PSU also makes noise above a human audible frequency range. The output voltage from the PSU has ripple (high frequency fluctuations which are the result of the PWM buck converter). When you have a frequency colliding with another frequency, when they interact constructively or destructively, they can create more harmonics.

So, depending on the PSU PWM operating frequency, GPU PWM operating frequency, and the magnitude of the PSU's output ripple, how much coil whine you can hear is affected.

It is a complex problem. The harmonic frequency of the inductors and the variables required to make it reach harmonics, or not make it reach harmonics, is complex and not predictable. One cannot simply say use this PSU, or don't use this PSU, with this GPU. If you have a coil whine problem, all we can advise are some things which can affect coil whine which you can consider replacing in order to try to alleviate the coil whine.
post edited by ty_ger07 - 2019/06/06 05:40:38

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Graphite8five
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Re: VRM coil whine/chirp. 2019/06/05 22:50:57 (permalink)
ty_ger07
I strongly encourage you to watch the video in post #4. It seems that you may have not watched it or not understood fully everything that he said.

As he said, the VRM operates at a frequency higher than human audible range. The VRM is a PWM (Pulse Width Modulation) controlled buck converter. The VRM is making noise all of the time, but usually you can't hear it because it is above the human audible frequency range. The "coil whine" that you are hearing is harmonics. The PSU operates using PWM also and is also a buck converter. A PSU also makes noise above a human audible frequency range. The output voltage from the PSU has ripple (high frequency fluctuations which are the result of the PWM buck converter). When you have a frequency colliding with another frequency, if they interact, they will create more harmonics.

So, depending on the PSU PWM operating frequency, GPU PWM operating frequency, and the magnitude of the PSU's output ripple, how much coil whine you can hear is affected.

It is a complex problem. The harmonic frequency of the inductors and the variables required to make it reach harmonics or not make it reach harmonics is complex and not predictable. One cannot simply say use this PSU or don't use this PSU with this GPU. If you have a coil whine problem, all we can advise are some things which can affect coil which you can consider replacing in order to try to alleviate the coil whine.

This is information that somebody should have put up long ago. If that is how coil whine works then I can understand but I am going to research more into what you have talked about to understand it even more. Thanks. 


 
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#28
Graphite8five
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Re: VRM coil whine/chirp. 2019/06/09 01:25:19 (permalink)
ty_ger07
I strongly encourage you to watch the video in post #4. It seems that you may have not watched it or not understood fully everything that he said.

As he said, the VRM operates at a frequency higher than human audible range. The VRM is a PWM (Pulse Width Modulation) controlled buck converter. The VRM is making noise all of the time, but usually you can't hear it because it is above the human audible frequency range. The "coil whine" that you are hearing is lower frequency harmonics. The PSU operates using PWM also and is also a buck converter. A PSU also makes noise above a human audible frequency range. The output voltage from the PSU has ripple (high frequency fluctuations which are the result of the PWM buck converter). When you have a frequency colliding with another frequency, when they interact constructively or destructively, they can create more harmonics.

So, depending on the PSU PWM operating frequency, GPU PWM operating frequency, and the magnitude of the PSU's output ripple, how much coil whine you can hear is affected.

It is a complex problem. The harmonic frequency of the inductors and the variables required to make it reach harmonics, or not make it reach harmonics, is complex and not predictable. One cannot simply say use this PSU, or don't use this PSU, with this GPU. If you have a coil whine problem, all we can advise are some things which can affect coil whine which you can consider replacing in order to try to alleviate the coil whine.



So how do I know whether the coil whine I'm hearing is constructive or destructive? 


 
Maximus XI Hero, 8700K 5Ghz delid, EKWB Custom loop ,Dominator RGB 3400Mhz 16GB, EVGA 2080 Ti FTW3 EK Vector, Seasonic Prime Platinum 1300W, Asus PG349Q 34" 120hz G-Sync, Phanteks Eclipse P600S. 
#29
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