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[Bit-Tech] Nvidia accused of crippling board partners' designs - Page 25

post #241 of 252
If the custom ov models can't handle the higher voltage and clocks for a longer time, even with aftermarket cooling and custom pcb/power management, then it just shows that the Kepler doesen't have much of an overclocking headroom and is operating very close to it's limit on the reference models.

I seriously think that skimping on the options of overvolting/overclocking is a way to hide the fact that the boards doesen't offer alot of headroom, but that's me speculating since I never tried overclocking a 600series.

And if they DO have the OC headroom, then it's a way of keeping a 660 from reaching 670's performance or a 670 reaching a 680's, so that if you want more juice, you have to pay for the more expensive juice-machine.
post #242 of 252
Quote:
Originally Posted by Tsumi View Post

Less RMA's due to failed overclocks = more $$$

This is a business decision, Nvidia is in it to make money and if less RMA's they loose less money! It's business and while we don't agree with it, this changes nothing.
post #243 of 252
Quote:
Originally Posted by Willi View Post

If the custom ov models can't handle the higher voltage and clocks for a longer time, even with aftermarket cooling and custom pcb/power management, then it just shows that the Kepler doesen't have much of an overclocking headroom and is operating very close to it's limit on the reference models.
I seriously think that skimping on the options of overvolting/overclocking is a way to hide the fact that the boards doesen't offer alot of headroom, but that's me speculating since I never tried overclocking a 600series.
And if they DO have the OC headroom, then it's a way of keeping a 660 from reaching 670's performance or a 670 reaching a 680's, so that if you want more juice, you have to pay for the more expensive juice-machine.

that is my understanding as well.
in fact nvidia stated clearly that no card of their can get overclocked to levels reaching 690 performance. it sounds simple enough to me they try protecting sales of that strongest model ... now what if the same rule applies to other models? I would think that is also one of Green Light's hidden objectives ... I can already OC my reference 670 past stock 680 performance ... but maybe I was lucky with what I got ...
post #244 of 252
I think everybody is missing the point though. Obviously Nvidia has determined that Kepler simply can't handle the extra voltage for whatever reason and is determined to limit their liability. So all of these massive OC's we had seen with the 680's were really just smoke and mirrors. Nvidia seems convinced that those GPU's will not last at those voltages...
post #245 of 252
Maybe Nvidia are doing this as the first transition to the new EU law being drafted about power consumption.

It's a token gesture.
post #246 of 252
Quote:
Originally Posted by Majin SSJ Eric View Post

I think everybody is missing the point though. Obviously Nvidia has determined that Kepler simply can't handle the extra voltage for whatever reason and is determined to limit their liability. So all of these massive OC's we had seen with the 680's were really just smoke and mirrors. Nvidia seems convinced that those GPU's will not last at those voltages...

It's a possibility that it is a side-effect of them using GK104 instead of GK100; because it's already clocked so high it may actually be nearer to the safe voltage limit for its node than we realize.
    
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post #247 of 252
Quote:
Originally Posted by Majin SSJ Eric View Post

I think everybody is missing the point though. Obviously Nvidia has determined that Kepler simply can't handle the extra voltage for whatever reason and is determined to limit their liability. So all of these massive OC's we had seen with the 680's were really just smoke and mirrors. Nvidia seems convinced that those GPU's will not last at those voltages...

I agree totally and thinking the same thing here. according to nvidia cards are already overvolting (from 0.9v to 1.17v) within stock specs and that is the max they allow for safety in a long run (duration of warranty). Wondering how many RMA/burned 670/680 models (from custom OV designs) we see in following months declared dead ...
Edited by feniks - 10/12/12 at 7:20am
post #248 of 252
told ya so!
    
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post #249 of 252
Quote:
Originally Posted by Homeles View Post

They didn't need to. They improved the efficiency of their ROPs and managed to bump their memory clock high enough to avoid it. Yeah, 384 bit would help, but every design has to have a weakness somewhere.
Actually, Nvidia's ROPs are less powerful than AMDs ROPs, the reason the 680 wins a lot of benchmarks against the 7970 probably boils down to the higher clock speed, more texturing power, games not using higher bit depths than 8-bit because of performance reasons.
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post #250 of 252
Quote:
Originally Posted by Arni90 View Post

Actually, Nvidia's ROPs are less powerful than AMDs ROPs, the reason the 680 wins a lot of benchmarks against the 7970 probably boils down to the higher clock speed, more texturing power, games not using higher bit depths than 8-bit because of performance reasons.
All I am seeing there is that AMD's and Nvidia's ROPs are better at different things.
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