why no improvement in fps?

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The cpu used in the review is a beast. And while a little unlikely is bottlenecked. They are throwing amd's top gpu in the case, but not just 1, or 2, or 3, BUT 4. 4 of AMD's best graphics cards. Maybe they should try using a dual cpu xeon setup.

But in all likelihood, its a driver issue. Who would expect that before even released someone would be using 2 295x? Arent they like $2000 a piece?

And this isn't to say people wont do this, but I remember reading just yesterday that amd is just...
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gumbykid

gumbykid

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It is stated in the article that they are running an overclocked i7 4960x. A CPU bottleneck is highly unlikely. My guess is a software issue in the game thats limiting it. Metro 2033 and Last Light are poorly coded despite their great graphics.
 
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ScrewySqrl

ScrewySqrl

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it's less likely, but not impossible - given the 'ultra' settings and very high resolution they are testing, it is possible that even with a 4960X, it just can't push out pixels any faster in Metro, thus CPU bottleneck..

A similar note might happen if I was running, say, a Sempron 145 (single core bare-bones chip based on the Phenom II line) and stuck a 290X in it, then compared to the 295X. it would hit limits imposed by the CPU for FPS soon enough that the 290X or 295X would make no difference between them. the CPU is th bottleneck.
 
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Mahisse

Mahisse

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Nov 26, 2012
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Short explanation: The CPU can't keep up with the frame rate that the GPU(s) process(es).
 
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Dblkk

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The cpu used in the review is a beast. And while a little unlikely is bottlenecked. They are throwing amd's top gpu in the case, but not just 1, or 2, or 3, BUT 4. 4 of AMD's best graphics cards. Maybe they should try using a dual cpu xeon setup.

But in all likelihood, its a driver issue. Who would expect that before even released someone would be using 2 295x? Arent they like $2000 a piece?

And this isn't to say people wont do this, but I remember reading just yesterday that amd is just now pushing out an update to include updated drivers, something like a 300mb driver update, which will include driver support for this very reiewed card. I know amd probably provided them drivers along with the card for them to review, but my best guess is driver issue. But wouldn't be that surprised if it was indeed a cpu bottleneck. More cores mean nothing on games that don't need them. So game uses maybe 4 cores, so depending on overclock, that chip would do as good as a 4770 proably. A little better yes, but just trying to figure out/show how it could bottleneck.
 
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