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How badly is my Pentium D945 bottlenecking my HD6850?

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October 31, 2010 2:51:24 AM

I plan on getting two 6850s for my future build (i5 760, gigabyte board, 4gb ddr3, etc) but for now I plan on using one of those two 6850s for my old build (D945, gigabyte crap board, 4gb ddr2, 8800gt and etc). How much performance am I losing from pairing the two -- D945 with HD6850?
Playing MW2, StarC2 mostly on 1600x res.

Also, another question is: how much boost am I getting from switching from 8800gt to HD 6850 (with the D945)?

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a c 227 à CPUs
October 31, 2010 2:56:56 AM

A pretty fair amount. The Pentium D was not even a really good chip even when it was new. BUT since you have it as part of an ongoing upgrade I would not worry about it too much. Most people on these forums are in a constant state of upgrade and do the same thing with one part or another. I just added an SSD although I plan a similar build to what you have listed around the holiday sales.

Edit: A huge boost even with the Pentium D.
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October 31, 2010 3:03:08 AM

If you could, can you give me a figure of how much that boost will be? I get around 50-60 fps on cod mw2 (1200x1024) with my current build. Would I get around 60-70 fps on same res if I upgraded the GPU?

The reason why I am asking these questions to begin with is because I plan to build that future computer in the months to come. I have to live few more months with my old crappy build. Also, the 6850s are selling at 160,000 won ($170-$180) each right now. They normally sell for 260,000-320,000 won each.
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a c 227 à CPUs
October 31, 2010 4:21:53 AM

I would really have to guess especially as the 6850 is such a new card. But I would say yes, at least 60-70 fps if not more. The 6850 is basically between a HD5770 and a GTX460 in strength. That is pretty low resolution as well. If the card is on great sale then get it. It sure will not hurt!
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October 31, 2010 5:04:19 AM

Thank you for your input. Board closed!!!
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October 31, 2010 5:04:55 AM

Best answer selected by k11365.
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a b à CPUs
October 31, 2010 3:56:53 PM

If the your current FPS is CPU limited at all you will not see a gain.
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