i7-950 and two HD 7870 Tahiti LEs in crossfire (in an Asus P6T Deluxe, with 6gb Ram), what is the bottleneck, please, anyone?

Csukornya

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Aug 8, 2015
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Just like the title shows, I'd like to find out what the bottleneck is in this system. I only have one of the cards at the moment, and I'm thinking of buying another one as an upgrade. I don't even know if the 950 is bottlenecking the one card. Please, anyone with knowledge, help me out by explaining exactly what bandwidth or processing power or whatever determines which is the weaker. Thanks a lot in advance!
 

Csukornya

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Aug 8, 2015
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Thanks for the fast reply! It is at 1600Mhz. The 950 is on its way tho, I don't know how far I'll be able to overclock it with the old Corsair H50 watercooler yet, I just broke my old 920 which was running at 3.8 Ghz. I'm hoping to hit at least that with my coming 950. And I'd really love to add another 7870 xt.

Thanks again!