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[Official] NVIDIA GTX 1080 Owner's Club - Page 493

post #4921 of 11112
^ marketing.
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post #4922 of 11112
Anyone did the hard mod on the FTW?
post #4923 of 11112
Quote:
Originally Posted by juniordnz View Post

Anyone did the hard mod on the FTW?
Not sure it would achieve much since we already have a 130% TDP limit. 120% can be hit in some cases but 130% is enough to almost never be a barrier.
post #4924 of 11112
Quote:
Originally Posted by Derpinheimer View Post

Not sure it would achieve much since we already have a 130% TDP limit. 120% can be hit in some cases but 130% is enough to almost never be a barrier.

Had the impression it would also help to keep voltage stable. With 130% I still get vRel perfcap.
post #4925 of 11112
Quote:
Originally Posted by Snabeltorsk View Post

Beqause the power consumption would be higer than intended.
Quote:
Originally Posted by juniordnz View Post

So they cap the card to maintain a low power consumption? Even though the GPU they designed being able to benefit a lot from more power?

That seems to me like designing a ferrari engine and then putting a limiter to it so it doesn't spend too much fuel

Well, I'm just gonna throw this out there. About 15 people will reply to me and say that their overvolted card has had no issues for the past 3 years while mining 24/7....OK, sure, that's possible (no sarcasm).
Quote:
According to Nvidia Senior PR Manager Bryan Del Rizzo, overvolting is supported "up to a limit," in order to "protect the life of the product." Del Rizzo claims Nvidia won't stop graphics card makers who want to overvolt their products wildly or want to provide users that freedom via voltage controls. However, doing so disqualifies products from receiving warranty support from Nvidia. Add-in board makers are free to provide their own warranty coverage, of course.
Quote:
MSI's GeForce GTX 680 Lightning Edition card reportedly offered users too much leeway to tweak voltages and had to be scaled back to comply. Del Rizzo notes that MSI chose warranty coverage over extreme overvolting support, just as EVGA appears to have done with its Classified card.

Now, someone will say, "but what about CPUs? Intel doesn't sell a 4.5GHz i7-6700K!" But, Intel also has not locked overvolting like NVIDIA (and interestingly, AMD, too!). You can go right ahead and ram 2.0V through your i7-6700K, ain't nobody gonna care except maybe your wallet. If Intel wanted...they could've locked voltage support down (like they later "forced" motherboard manufacturers to put out BIOS updates to disable non-K overclocking).

However, NVIDIA and almost all their AIB partners decided to stick with that warranty instead of the overvolting. Why?

I'm not saying this is true (GPUs are more prone to voltage-degradation than, say, CPUs)--I'd actually love to have a discussion about this. Who has something to contribute, besides anecdotes?

I mean, why would both NVIDIA and AMD lock down both voltages, even on their high-end cards?
Edited by ikjadoon - 8/10/16 at 7:21pm
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post #4926 of 11112
Quote:
Originally Posted by ikjadoon View Post


Well, I'm just gonna throw this out there. About 15 people will reply to me and say that their overvolted card has had no issues for the past 3 years while mining 24/7....OK, sure, that's possible (no sarcasm).

Now, someone will say, "but what about CPUs? Intel doesn't sell a 4.5GHz i7-6700K!" But, Intel also has not locked overvolting like NVIDIA (and interestingly, AMD, too!). You can go right ahead and ram 2.0V through your i7-6700K, ain't nobody gonna care except maybe your wallet. If Intel wanted...they could've locked voltage support down (like they later "forced" motherboard manufacturers to put out BIOS updates to disable non-K overclocking).

However, NVIDIA and almost all their AIB partners decided to stick with that warranty instead of the overvolting. Why?

I'm not saying this is true (GPUs are more prone to voltage-degradation than, say, CPUs)--I'd actually love to have a discussion about this. Who has something to contribute, besides anecdotes?

I mean, why would both NVIDIA and AMD lock down both voltages, even on their high-end cards?

So you need to buy 2 cards to get the performance you want tongue.gif
post #4927 of 11112
By overvolting you mean going over the stock 1093mv right? Like that 1200mv XOC bios.

I would guess it's about the litografy. Maybe these new GPUs are more fragile and therefore can't stand too much heat and voltage. (So they locked the voltage and made thermal throttle much more sensitive)

But I'm no one and that's just anecdotal
post #4928 of 11112
Quote:
Originally Posted by juniordnz View Post

Had the impression it would also help to keep voltage stable. With 130% I still get vRel perfcap.
Hm, I just cant get it. I might be CPU limited (i7 3820 @ 4.75)
Max I could get in Time Spy or BF4 or Heaven was a short spike to 114%.
GPU is at 2164 / 1.093V
post #4929 of 11112
Quote:
Originally Posted by Derpinheimer View Post

Hm, I just cant get it. I might be CPU limited (i7 3820 @ 4.75)
Max I could get in Time Spy or BF4 or Heaven was a short spike to 114%.
GPU is at 2164 / 1.093V
These values are dependent on the chip quality..leaks, temperature. Not all cards are the same.
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post #4930 of 11112
Quote:
Originally Posted by ikjadoon View Post

If Intel wanted...they could've locked voltage support down (like they later "forced" motherboard manufacturers to put out BIOS updates to disable non-K overclocking).
My old C2D was voltage locked down. Got around that with a hardware mod and similarly can be done on GTX-1080 if one wants to go that way.

As it is it has already been mentioned voltage limit is supposedly 1.25V and curve values would seem to confirm this. We have seen 2 VBIOS that enable 1.2V which is more than the "standard" 1.093V we usually see.

Power limits exist for both CPU and GPU which you are well aware of especially with your laptop exploits. As for the unlocked non-k Skylake saga, that loophole required disabling power management which meant temperature control solely relied on the catastrophic temperature of 125-130C as one of the consequences of unlocking bclk. Temperature plays a big role in semiconductors with life expectancy and you will usually see de-rating factors for them with high temps.

Intel do not endorse operating their CPU's out of spec although they do offer a one time deal for K and X desktop processors for extra cost. AFAIK there isn't one for the i7-6820HK which is BGA so not a simple replacement. GPU's are also BGA.

If you would like to operate your GTX-1080 out of spec and void warranty there is nothing stopping you, guides have already been shown.
Edited by ucode - 8/10/16 at 9:33pm
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