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HD 6870 Crossfire WoW Performance

post #1 of 35
Thread Starter 
w t f ?

http://www.techpowerup.com/reviews/A...ssFire/18.html


im hoping its a typo
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post #2 of 35
No typo

WoW doesn't support crossfire or SLI. In fact, most MMOs don't support it.
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post #3 of 35
Quote:
Originally Posted by Skillzero View Post
No typo

WoW doesn't support crossfire or SLI. In fact, most MMOs don't support it.
Did you look at his link? The crossfire cards are getting half the FPS of a single card. Something must be wrong with their setup.
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post #4 of 35
Thread Starter 
So it just cuts off half of the performance? Shouldn't they(CF 6870 and single 6870) perform exactly similar if wow doesnt supports cf/sli ?


edit: nvm didn't see crazy's post.
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post #5 of 35
At this time, WOW does not utilize crossfire or SLI.

This is a good example that WOW can be more demanding on a high end pc than most people realize.
     
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post #6 of 35
wow is a very CPU intensive game, plus since they are new cards, wow is most likely not optimised for them yet.
post #7 of 35
Quote:
Originally Posted by Crazy9000 View Post
Did you look at his link? The crossfire cards are getting half the FPS of a single card. Something must be wrong with their setup.
Doesn't matter, It could be Crossfire/SLI messing with it.

Happens to me and most other users in ARMA2 (Another game that doesnt support crossfire or SLI)

I usually get 10-20 FPS LESS with crossfire enabled (or Catalyst AI on).. When I'm in a jet with crossfire on it drops to almost 10 FPS (But without xfire its a full 60-90)

I am almost 100% sure its because of crossfire.
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post #8 of 35
Thread Starter 
I really can't understand how CF performs worse. If wow uses 1 gpu max, then why does the CF performance is lower. Its like only using half of the GPU's capability.


yeah wow is rly cpu dependant since there is 130 fps difference with only GPU cards changed. -.-

look at 5970 performin 65 fps while other cards are ~100 higher... this is strange.
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post #9 of 35
Crossfile and SLI support in WoW is a long standing "issue."

The code just is not optimized for it and as a result, things actually run worse. Even IF they took the time to support Crossfire and SLI, I don't believe performance would increase enough to warrant an upgrade for any WoW player (opinion).

WoW is not graphic intensive, but rather CPU and memory intensive.
    
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post #10 of 35
Quote:
Originally Posted by techenth View Post
I really can't understand how CF performs worse. If wow uses 1 gpu max, then why does the CF performance is lower. Its like only using half of the GPU's capability.
Because wow is really badly optimised, it uses a crappy engine.
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