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[PCGH/PcPer] Nvidia to Pascal: "Maximum tension shortens life to one year"

post #1 of 178
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Nvidia does not allow a concrete voltage increase in its Pascal generation. In tools such as Afterburner and Precision X, only a relative controller can be set which brings the GPU closer to the maximum standard voltage. According to Nvidia, this has a good reason: already at 100 percent the lifetime of a GPU sink to one year.
Quote:
Previously, OC tools such as MSI's Afterburner and EVGAs Precision X were able to increase the voltages of Nvidia GPUs. Although 87 millivolts were not the world, they increased the potential for over-exploitation. Since the pascal generation, Nvidia has given the boardpartners new limits: In the bracket behind the voltage there is no mV, but a percentage symbol. The difference is significant: If users were able to set a concrete voltage earlier, it is now only possible to determine how close the GPU is to the predefined voltage limit. For Pascal GPUs, this is typically 1.0 to 1.075 volts depending on chip quality. If you set the controller to 100 percent, the GPU always remains at this value under load, as long as the power limit is not limited before.

In an interview with pcper.com , Tom Petersen, Director of Technical Marketing at Nvidia, explains why they chose the changeover. The interview is already two weeks old, but the statement was not known to us (via 3DCenter , the passage starts at about 16:00). According to this, Nvidia chooses a voltage curve with which the average of the graphics cards will be about five years old before electromigration begins. With the percent controller, users would effectively have the option to increase the voltage within Nvidias predetermined frames. According to own statements, the game goes 100 percent so far that the life should be only one year.

Of course, marketing departments tend to point out issues. However, it is also clear that Pascal Nvidia's first GPU generation is a FinFET process. These scatter less on the voltage and react more sensitively to increases than their planar predecessors. With the voltage limitation, Nvidia can almost gain experience with FinFET processes without investing too much in the RMA area. And if the one year should be a bit off - from which we do not go out - corresponding reports should increase since the coming May. The Geforce GTX 1080 is one year old.


sources:

https://translate.google.com/translate?sl=de&tl=en&js=y&prev=_t&hl=de&ie=UTF-8&u=http%3A%2F%2Fwww.pcgameshardware.de%2FGeforce-GTX-1080-Ti-11G-Grafikkarte-265855%2FNews%2FPascal-Spannungserhoehung-Lebensdauer-1224184%2F&edit-text=


nothin more to say... madsmiley.png
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post #2 of 178
Quote:
According to this, Nvidia chooses a voltage curve with which the average of the graphics cards will be about five years old before electromigration begins.

I don't think this is true at all. More like that time frame until the effects are noticeable, i.e. stability issue due to transistor deterioration (electromigration and more). You might see what pretty much every one have had with intel using tri-gate (similar to FINFET), inability to maintain high overclock / need to bump the voltage. The CPU just don't die right away...

NV stance with overvolting & overclocking has in general been quite rigid, way before FINFET.

Edit: I think that bad cooler and low quality VRM are the prime cause of graphic card death. Overvolting will strain the VRMs and I am not surprised if that's really the reason why nvidia is so against overvolting.
Edited by Just a nickname - 3/29/17 at 12:49pm
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post #3 of 178
Quote:
However, it is also clear that Pascal Nvidia's first GPU generation is a FinFET process. These scatter less on the voltage and react more sensitively to increases than their planar predecessors. With the voltage limitation, Nvidia can almost gain experience with FinFET processes without investing too much in the RMA area.


Removing even more features while, probaly, improving profits. Not really new in a business
Edited by Yttrium - 3/29/17 at 12:49pm
post #4 of 178
Better safe then sorry. Really from all my experience with GPU most of the time Voltage control only helped me to undervolt not overvolt. In cases where voltage made a difference I could easily get away with 2-5% less performance bringing back huge p/p ratio. A good GPU will OC well with whatever stock volts it comes with.
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post #5 of 178
While I have a GTX 1080 now (bought used) and love it's performance and specs I still feel that Nvidia is a shady corporation. Sure all computer component manufacturers like to lie and tout about stuff that might not be true but Nvidia always seems to get caught with major issues and problems with their products and business practices.

I really feel it's one of the reasons AMD seems to be picking up in the sales figures. People are starting to realize that Nvidia takes a lot of liberties on behalf of it's customers and isn't quite the gamer friendly all star company they were once looked as being. So when I read stuff like this from them I can't help but just think, "Oh, not surprising. What's next?".

Nvidia I think really needs to pull it together and start being more open with their products and services or they'll continue to fall. With AMD's CPU tech getting incredibly good they'll start getting more and more money and more and more engineers and before you know it their GPU's will be TRULY competitive again and Nvidia is gonna get caught with their pants down.

Not like it hasn't happened before, ya know?
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post #6 of 178
remember before the voltage limits you had people doing this to cards. Nvidia put a cap on the voltage because too many 580's and 590's went up in smoke..





wink.gif
Edited by Syan48306 - 3/29/17 at 1:26pm
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post #7 of 178
So here's a question I've asked many an overclocker:

Does headroom over stock really matter to you? Why isn't it the final performance that is the appropriate metric?
post #8 of 178
Quote:
Originally Posted by Mand12 View Post

So here's a question I've asked many an overclocker:

Does headroom over stock really matter to you? Why isn't it the final performance that is the appropriate metric?
I ask you this in return. Do you know where you are?
post #9 of 178
Quote:
Originally Posted by Mand12 View Post

So here's a question I've asked many an overclocker:

Does headroom over stock really matter to you? Why isn't it the final performance that is the appropriate metric?

That really is a very good question. I guess I never looked at it that way.
 
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post #10 of 178
Quote:
Originally Posted by Damn_Smooth View Post

I ask you this in return. Do you know where you are?

is he in the jungle...baby?
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