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Cheapest Homebuilt System to Run Most Any GPU?

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September 28, 2009 1:59:26 AM

Hey guys, what is the lowest-end CPU to run any GPU w/o any significant bottlenecks? For example, is the AMD Phenom II x3 720 BE able to run the hd5870 w/o any bottlenecks? What about the Amd Phenom II x2 550 BE? (I realize that the MoBo and the RAM also can be bottlenecks)


Its just that whenever I look at peoples custom configs, they always have a high end GPU paired with a high end CPU, for example the AMD Phenom II x4 955 BE with the hd4890. Is this necessary if gaming is the primary purpose? :( 
a b B Homebuilt system
September 28, 2009 2:10:24 AM

What resolution are you running at? At 1024x768 there is no processor capable of running even a 4870 with no bottlenecks, and even the overclocked i7 used in the 5870 review encountered bottlenecks at a few resolutions. It all depends on the games you play and the resolutions you play at, if you are playing at high resolutions like 1920x1200 you need a high end GPU and it will be stressed enough that it wont be bottlenecked.
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September 28, 2009 2:45:57 AM

how 'bout at 1680 x 1050 or 1440 x 900

And lets say.......um.........(don't kill me) crysis
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a c 136 B Homebuilt system
September 28, 2009 2:54:51 AM

you wont need a 5870 for that resolution

a 5850 makes some sense though



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September 29, 2009 2:33:52 AM

So is the cpu the limiting factor then at 1440 x 900? So you'd want the best cpu you could get and a lower end GPU like the hd4770 for max fps?
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a c 136 B Homebuilt system
September 29, 2009 7:33:18 AM

LCD monitors usualy run at 60 Hz or 60 refreshs/per second .

Thats the most frame you can get the monitor to display

Some are 100 Hz , some are 120 Hz but those are still unusual .
Its just a waste of money to build a computer to push higher fps than 60
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