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hd 5870 crossfire with a hd 5850

post #1 of 3
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hd 5870 crossfire with a hd 5850
how does the above work out
is it any good ?

can the 5870 clock to 1000mhz core ?

this is the 5870

http://www.sapphiretech.com/presenta...n=&lid=1&leg=0
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post #2 of 3
Yes all 58xx and 59xx are compatible in crossfire. There is no way to tell that it will be able to hit 1GHz stable. But generally yes, they are capable, also much depends on your cooling and load temperature. Two of them will give 70-90% more FPS at the same settings.
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post #3 of 3
Quote:
Originally Posted by masonkian;15171039 
hd 5870 crossfire with a hd 5850
how does the above work out
is it any good ?

can the 5870 clock to 1000mhz core ?

this is the 5870

http://www.sapphiretech.com/presenta...n=&lid=1&leg=0

I don't have experience with those, but in theory:
Same 256-bit GDDR5, same chip (can reach same clocks). The only thing that would bottleneck the 5870 are the 1440 shaders of the 5850 (vs 1600 of the 5870).

So you'll practically have 2 cards of the freq of 5870 with the shader and TMUs of 5850.
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