Will 2x7850's bottleneck my CPU and can my current PSU support it

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dejangcool

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Nov 21, 2013
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I am thinking of getting another 7850 to crossfire on my system. My 2 questions are whether my i5 750 OC to 3.2ghz will bottleneck the two 7850's. Right now my cpu is fine on one overclocked 7850, also will my "Antec Neo Eco 620C 620W Power Supply" be enough to run these two cards in crossfire?. Thanks!
 
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maxiim
Its very very little difference going from x16 to x8 etc...it might matter in benchmarks that are pure numbers, but in real world gaming very very little difference.
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THSNOTLEK

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Aug 14, 2013
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No it won't bottlneck. Your Power supply might not work though. Not sure the power requirements of your Whole rig but I think the requirement is 650w you might actually be able to get by because that's a good PSU.
 
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dejangcool

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Nov 21, 2013
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I was googling it as well and found this thread :http://www.overclock.net/t/1304130/q-antec-neo-620c-620-watts-on-7850-crossfire


The people there say that it can easily run two 7850's, so im kind of confused :S
 
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