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[VRZone] NVIDIA Kepler Power Circuitry Revealed: 300W TDP? - Page 8

post #71 of 83
Quote:
Originally Posted by RussianJ View Post

Wait, my 7970 won't draw 300w due to the connectors?
Seriously, if it did draw 300w, it would be 8+8 to give some headroom. Think about it. If your psu's 12v went under to say 11.9v, your no longer providing 300w at the same amperage. I doubt AMD or NVIDIA want to deal with another fermi again.
If the voltage was 11.9v, current draw would just increase.... That is what happens today since PSU provide +/-5% regulation.

Quote:
Originally Posted by CBZ323 View Post

It says theoretical Max, meaning the max it could theoretically draw with those connectors. The GTX 480 needed  the same connectors and drew aproximately 250w.

Please read carefully

It's not theoretical max..... it is maximum per PCIe specifications. GTX480 can draw much more than the official 300w PCIe limit when overclocked.
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post #72 of 83
Quote:
Originally Posted by Nioxic View Post

They said 4 times more fps per watt or something on that old release schedule thing?
and apparently they still use same amount of power.
this it must just be very fast performance
i can hande a petty 300 W gfx card tongue.gif
Quote:
Jen-Hsun then went on to say that Kepler would have 3-4 times the performance per Watt of Fermi, which he claimed was 1.5GF/W. That would put Kepler at 4.5-8GF/W worst to best case.
The claim is not frames per watt, it's FLOPs, or floating point operations, per watt.
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post #73 of 83
Quote:
Originally Posted by toX0rz View Post

I'm amazed by how early people jump on conclusions on these forums *facepalm*
Did you guys even read the article at all? The 300W TDP is an amateur claim by VR-Zone simply judging by the fact that the card has 1x 6pin and 1x 8pin connector.
The GTX 480 and 580 also had 1x8pin and 1x6pin, so did the HD 6970 and yes, even the 7970. Do these cards have a 300W TDP rating?
NO.
So use your heads next time before commenting bs like its fermi again etc., seriously...

We have our reasons to believe it will likely come close to the maximum current the connectors allow. First of all, the die is MASSIVE. Yeah, 28nm. But what? It's still ginormous.

And even without knowing the above, do you really think nVIDIA would put 300W available to use 150?
   
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post #74 of 83
In before nVidia loses more money on massive dies that run too hot

It's strange that things are totally reversed for AMD as compared to Intel for their CPUs
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post #75 of 83
Quote:
Originally Posted by test tube View Post

In before nVidia loses more money on massive dies that run too hot

It's strange that things are totally reversed for AMD as compared to Intel for their CPUs

Different divisions completely. The teams may collaborate in integrating solutions with APU's, etc. but are still working on their own when it comes to the GPU and CPU chips individually. This is why they are in such different positions
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post #76 of 83
I really don't want to believe this.
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post #77 of 83
Quote:
Originally Posted by Maelthras View Post

What a power hungry chip.

like we didnt expect that to happen
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post #78 of 83
i don't care if a card pulls 500W of juice if the performance is there, but we all saw what happened with fermi.
post #79 of 83
That article tells me nothing.

Rumor fail.
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post #80 of 83
Quote:
Originally Posted by redhat_ownage View Post

so the VRM are gonna blow up just like the 570 and 580?

Proof? I don't recall this being a common problem or even hearing about it from friends with GTX580s/570s.
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