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AMD RX 480 Review Thread - Page 191

post #1901 of 3674
Quote:
Originally Posted by Nickyvida View Post

If the 14nm glofo node yield reaches maturity will we see less leakage and better overclocking?

All fabrication processes, yes. NVidia can hit as high as it does because of it's elastic core design, but no Async. Future in computing is Async. Old argument, it's not dead but really depending on DX11 to stay around is terrible for the future of graphics technology. We should be able to see better OCs from both companies as their fabs mature.
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post #1902 of 3674
Quote:
Originally Posted by Loladinas View Post

That would make it ridiculously bad at perf/watt metric. Even Fury-X barely draws that much during gaming, and it's on an older arch, and process.

Its on a different fab and node. It is possible that GF/SS have good power characteristics at lower speeds but have more headroom once you are beyond that point. TSMC seems to have great power over a wider range, but less headroom past that.

Im wondering myself if we are going to end up with a re-spin of the P10 chip like what happened with the HD 4890.
Edited by KarathKasun - 7/1/16 at 1:53am
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post #1903 of 3674
Quote:
Originally Posted by SpeedyVT View Post

All fabrication processes, yes. NVidia can hit as high as it does because of it's elastic core design, but no Async. Future in computing is Async. Old argument, it's not dead but really depending on DX11 to stay around is terrible for the future of graphics technology. We should be able to see better OCs from both companies as their fabs mature.



Thats funny. I remember 14nm LPE having reached maturity some months ago. Why would it be this bad? Is there a HP/LPP somewhere? That would explain the non maturity leakage problems. Why would AMD choose glofo despite TSMC 16nm being a better process from what we seen so far?
post #1904 of 3674
Quote:
Originally Posted by Nickyvida View Post

Thats funny. I remember 14nm LPE having reached maturity some months ago. Why would it be this bad? Is there a HP/LPP somewhere? That would explain the non maturity leakage problems. Why would AMD choose glofo despite TSMC 16nm being a better process from what we seen so far?

To keep all designs on the same fab and node and to eliminate multiple source fab contracts. This plays into their APU strategy heavily. They dont have to redesign the GPU parts for their semi-custom ASIC's either if they all come from the same fab.

TL;DR... saving money.
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post #1905 of 3674
This looks like a first project, or thereabouts, for AMD's Chinese GPU team with corresponding quirks. Doesn't appear much tweaking was done of the actual CUs.
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post #1906 of 3674
Quote:
Originally Posted by KarathKasun View Post

To keep all designs on the same fab and node and to eliminate multiple source fab contracts. This plays into their APU strategy heavily. They dont have to redesign the GPU parts for their semi-custom ASIC's either if they all come from the same fab.

TL;DR... saving money.

I thought they would have seen the light after BD's fiasco. Sometimes saving money can be detrimenal as we have seen with all the leakage and power draw problem.
post #1907 of 3674
Quote:
Originally Posted by Nickyvida View Post

I thought they would have seen the light after BD's fiasco. Sometimes saving money can be detrimenal as we have seen with all the leakage and power draw problem.

BD didn't suffer from leakage/power draw issues. It suffered from having unrealistic clock targets and a core design that was off in left field for the applications of the time.

GF 32 SOI was pretty close to Intel's 32nm process. The problem was that BD had more transistors dedicated to CPU cores, got less performance from them, and clocked them higher to boot, thats why BD runs hotter than Sandy Bridge for the most part.
Edited by KarathKasun - 7/1/16 at 2:13am
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post #1908 of 3674
Just a thought:

How does the R9 Nano fare vs the RX 480?
The R9 Nano has a TDP of 175W, compared to the 150W on the RX 480.

How does the efficiency compare? (as in performance/watt)
 
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post #1909 of 3674
Quote:
Originally Posted by xioros View Post

Just a thought:

How does the R9 Nano fare vs the RX 480?
The R9 Nano has a TDP of 175W, compared to the 150W on the RX 480.

How does the efficiency compare? (as in performance/watt)
Pretty much 1:1.
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post #1910 of 3674
Quote:
Originally Posted by Loladinas View Post

Quote:
Originally Posted by xioros View Post

Just a thought:

How does the R9 Nano fare vs the RX 480?
The R9 Nano has a TDP of 175W, compared to the 150W on the RX 480.

How does the efficiency compare? (as in performance/watt)
Pretty much 1:1.

So basically, the GPU market is choosing between a cheaper Nano (yet, noisier) or overpriced, throttling green cards?

Meh.
Edited by xioros - 7/1/16 at 2:50am
 
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