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I recently decided to go crossfire but the performance isn't what I anticipated it would be. For some reason the cards aren't being utilized 100%. Both cards would be averaging 65-70% under load. On BF4 maps like Siege of Shangai my FPS would drop to like 50's and sometimes even 40's when I'm out looking into the distance with smoke and all (Maxed out @ 1080P). Tried Rome 2 Total War and Sim City 4 and it's all the same. I don't believe my 2600k is bottlenecking the system as CPU usage is at most 70%. Temps are at 85 degrees at the most and both cards aren't overclocked. I tried wiping and reinstalling the drivers and switching the cards but same deal. Also switched out the crossfire bridge. Don't know if this has anything to do with it but I have noticed in MSI afterburner that VRAM usage is maxed out at 3GB which is weird considering I'm only gaming at 1080P. Don't know if its a bug in afterburner making it misread the usage or something is actually wrong.
Also GPU usage would spike up to 85-90% at times and then drop back down to 60's
Any help would be appreciated. Thanks!
Edited by jjj751 - 4/10/14 at 6:35pm
The White Beast
(17 items)
 
  
CPUMotherboardGraphicsRAM
2600k @ 4.6 Ghz Asus P8Z68-V PRO/GEN3 XFX R9 290X Black Edition 16GB Corsair Vengeance  
Hard DriveOptical DriveCoolingOS
1TB WD Black LITE-ON 24X DVD Writer Zalman CNPS9900MAX-B Windows 7 Ultimate 
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Asus VE258Q  Razer BlackWidow Ultimate  XFX Pro Series 1250 Watt NZXT Phantom 
MouseMouse PadAudioOther
Razer DeathAdder Razer Scarab Logitech Z623  Asus Xonar Essence Sound Card 
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120GB Force GT SSD in Raid 0 
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The White Beast
(17 items)
 
  
CPUMotherboardGraphicsRAM
2600k @ 4.6 Ghz Asus P8Z68-V PRO/GEN3 XFX R9 290X Black Edition 16GB Corsair Vengeance  
Hard DriveOptical DriveCoolingOS
1TB WD Black LITE-ON 24X DVD Writer Zalman CNPS9900MAX-B Windows 7 Ultimate 
MonitorKeyboardPowerCase
Asus VE258Q  Razer BlackWidow Ultimate  XFX Pro Series 1250 Watt NZXT Phantom 
MouseMouse PadAudioOther
Razer DeathAdder Razer Scarab Logitech Z623  Asus Xonar Essence Sound Card 
Other
120GB Force GT SSD in Raid 0 
  hide details  
Reply