7970 crossfire hash rate

[rahulgarcia]

I'm getting a another 7970 and was wondering what hash rate people are getting and how crossfire works. The so if I crossfire will guiminer think that it's one gpu with double the power or two separate gpu? I thanks

[Gabi]

Crossfire is useless for mining.
Guiminer can use both GPU for mining without crossfire.

[LTC555]

Crossfire is useless for mining.
Guiminer can use both GPU for mining without crossfire.

What he said.  For example i tried two 7970's in crossfire.  When i turned crossfire off i got a better hashrate.