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I recently bought a second hd6850 to enable a crossfire. To my amazement my fps went down in wow rather than staying the same or going up. Not only that, but in raids they actually go as down as 20 fps really making the game feel as lagy. The settings in game are all set to good, except distance which on ultra.
Has anyone else had the same problem? I would really appreciate any kind of help here.
Btw my system set up is:
OS: Windows 7 64 bit
CPU: I7 - 950
Running Catalyst version 11.3
Driver Packaging Version 8.831.2-110308a-115928C-ATI
2D Driver Version 8.01.01.1134
Direct3D Version 7.14.10.0817
OpenGL Version 188.8.131.5200
Catalyst Control Center Version 2011.0308.2325.42017
Crossfire is enabled and working according to catalyst and gpuz
Dump from dxdiag
Time of this report: 3/29/2011, 23:01:59
Machine name: name
Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7600)
Language: English (Regional Setting: English)
System Manufacturer: System manufacturer
System Model: System Product Name
BIOS: BIOS Date: 07/16/10 16:19:59 Ver: 08.00.15
Processor: Intel(R) Core(TM) i7 CPU 950 @ 3.07GHz (8 CPUs), ~3.1GHz
Memory: 6144MB RAM
Available OS Memory: 6136MB RAM
Page File: 3724MB used, 8544MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7600.16385 32bit Unicode
70 Tauren Hunter
WoW does NOT support Crossfire or SLI.
Multiple GPU solutions like this will not do anything but lower WoW's performance, this has been reported many times before. WoW was simply never coded with more than one GPU in mind. Even multi-core CPU's is a bit of a hack.
Disable Crossfire when you play WoW. There is no way to increase performance for WoW under Crossfire. You will get the best performance using only a single GPU.
Edited by Aillen on 30/03/2011 08:09 BST
There is not official support for Crossfire of SLI, it may function but there is no guarantee that there will be much if any improvement.
If you do use a Crossfire check to see you have the latest Crossfire profiles installed.
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