Diffrence between cards...(HD7950 both powercolor)

The only difference is that the core clock on the second one is clocked at 880MHz as opposed to 850MHz.

They will crossfire fine, but the 880MHz card will drop to 850MHz to match the other card by default, but you should have no issues setting both to 880MHz.

Edit: The Output ports and cooler seem to differ slightly as well, but that shouldn't make any difference.
 
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well, my current one ( PowerColor AX7950 3GBD5-2DHV5E ) is running at 1100.... so ill just maby downclock him to 1000 and OC other one also 1000....?
 
I'm sure you could do that, but like I said, but default, both will run at 850MHz. I would recommend that you overclock in small increments i.e 50MHz at a time to maintain stability. Is the memory clock the same as yours or would you have to adjust that as well?
 
Flame said:
nope, its 6000 instead of 5000 :D
Click to expand...

Then you'll have to find some sort of balance between the 2 cards. Maybe 1000MHz GPU, 5500 MEM.
If you can get it higher than that while still maintaining good stability and temps you can do it. The only
thing I'm not clear on is what happens to your warranty when you overclock.
 
warranty out of door if they can proove u OC'ed....
 
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