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HD5850 CF bad peformance? - Page 6

post #51 of 95
Dude if you have Crysis run a benchmark so I can compare it to my 5850's

Or download one of the stalker benchmarks...
post #52 of 95
Thread Starter 
Quote:
Originally Posted by thealex132 View Post
Not for me?
Sure it supports it but after BC2 updated to R8 crossfire just was worse, its the game not your cards. If crossfire is working in benchmarks such as Heaven 2.1 and 3DMark then its working fullstop. Your CPU @3Ghz would bottleneck like max 2%.
It can't be that no of my games support crossfire. Im sorry i dont belive that.

Bc2, Unreal 3, Css, Tf2, L4d2, Black ops, GTA IV ++ its all the same.

And i do know from reading that atleast bc2, unreal 3, black ops and gta shud get some improvement with crossfire,

And my CPU is at 4ghz, so the bootleneck is minimal


Quote:
Originally Posted by antuk15 View Post
Dude if you have Crysis run a benchmark so I can compare it to my 5850's

Or download one of the stalker benchmarks...
Installing crysis now
Edited by Concker - 2/22/11 at 8:16am
    
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post #53 of 95
Quote:
Originally Posted by Concker View Post
It can't be that no of my games support crossfire. Im sorry i dont belive that.

Bc2, Unreal 3, Css, Tf2, L4d2, Black ops, GTA IV ++ its all the same.

And i do know from reading that atleast bc2, unreal 3, black ops and gta shud get some improvement with crossfire,

And my CPU is at 4ghz, so the bootleneck is minimal


Installing crysis now
Oh lord you have

BC2 - Yes but so many problems 99% dont work
TF2 - IIRC no
GTA 4 - no
L4D2 - Yes
BO - You wont see
CSS - you should see
U3 - not sure
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post #54 of 95
Every game I play makes use of Crossfire and works PERFECTLY...

And I play all the games the OP listed and I get GOOD gains in each title...
post #55 of 95
I use to own 5850 in cf tested both on pcie x8 x8 with q9550. and tested both in x16 x16 PCIE slots on my 790FXTA-UD5 mobo..im oc to 3.8Ghz(q9550) with that setup but it wont solve the issue...i dont know but in games, the lower card is just assisting and not because you get the CF logo means that the game supports it...no matter what driver you use will be same...its BC2 that has the issue, try it with mirrors edge see if you hit 70FPS coz mine will remain 60 or 63FPS.........ITS THE GAME....if the game has full support in CF check the GPU temp..
both will heat up almost evenly
    
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post #56 of 95
OP... uninstall any Application Profiles you have installed currently, and install the latest ones from here

and make sure you don't have any settings forced in Catalyst Control Center. Set the 3D settings slider to Balanced
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post #57 of 95
Quote:
Originally Posted by NG_Navarro View Post
I use to own 5850 in cf tested both on pcie x8 x8 with q9550. and tested both in x16 x16 PCIE slots on my 790FXTA-UD5 mobo..im oc to 3.8Ghz(q9550) with that setup but it wont solve the issue...i dont know but in games, the lower card is just assisting and not because you get the CF logo means that the game supports it...no matter what driver you use will be same...its BC2 that has the issue, try it with mirrors edge see if you hit 70FPS coz mine will remain 60 or 63FPS.........ITS THE GAME....if the game has full support in CF check the GPU temp..
both will heat up almost evenly
Mirrors Edge has a built in frame rate cap of 63fps..
post #58 of 95
I have two 5850s. I run 10.12 drivers and the newest MSI BIOS with MSI afterburner.

the 11.2 drivers DO NOTHING FOR YOU!!!! read the release notes. but I don't think that should be the problem.

I max out BC2 @ 2560x1600 and I have NO ISSUES... a few maps in a few areas on those maps I get black screens, but that just makes my FPS go from 110 to 160... LOL

All other games,
CSS
BattleField 2
SC2
MW2
MOH
Crysis
List goes on and on... all work just fine and play amazing

Run any benchmarks? 3dmark11?

Format and install windows, that should fix it for you

Do you have profiles installed?
Reinstall BC2?
post #59 of 95
Bad company 2 screamed in crossfire for me, I saw at least 130FPS with my crossfire setup. If you haven't already tried it, go back to 10.12 drivers.
    
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post #60 of 95
Quote:
Originally Posted by Kratthew D. Kraids View Post
Bad company 2 screamed in crossfire for me, I saw at least 130FPS with my crossfire setup. If you haven't already tried it, go back to 10.12 drivers.

THAT
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