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Discussion Starter · #1 ·
If I crossfire, and then overclock my video cards, how does that work. Would I need to have cards that could overclock the same, or could the have different performing overclocks, say one 5770 at like 1000core and one at 975core, or would I have to clock them both to 975core?
 

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Its fine as long as you keep memclocks the same.
 

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They'll perform as well as the clocks for the lowest common denominator.

With one at 1000, and another at 975 - you'll have 975 performance.

Just find the max clocks for each, then set the final clocks on each as the lower of the two.
 

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Discussion Starter · #4 ·
Oh, so I could have like 1000core on one and like 975core on the other as long as both are 1300mem (just as an example)?

Edit: Didn't see the answer above mine. So basically I should just buy two MSi Hawks if I'm going to crossfire then?
 

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Quote:


Originally Posted by sn0man
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They'll perform as well as the clocks for the lowest common denominator.

With one at 1000, and another at 975 - you'll have 975 performance.

Just find the max clocks for each, then set the final clocks on each as the lower of the two.

Nope, this is a misconception. The only thing that matters in memory clocks/bandwidth because they mirror frames.

Since frame rendering alternates between the two, you will see an increase if just one is overclocked. I can prove this tomorrow by running my 5750 with a 5750 if you need.
 
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