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low gpu usage with my gtx580 when play mafia 2?

post #1 of 23
Thread Starter 
i got only 30fps in mafia with some scene and my fps drop when street got lot of people and cars , i check gpu usage only around 20%-30% but not always got low fps , the most i got is around 70-100, just some place fps drop like crazy so this is normal phoenomal?? thanks
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My System
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I7-3930K@4.6GHZ ASUS RAMPAGE IV EXTREME EVGA GTX680 SLI Corsair Vengence DDR3 16GB 1600@8-8-8-24 
Hard DriveCoolingOSMonitor
Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
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post #2 of 23
physx? enabled or disabled? what is your cpu clock speed?
post #3 of 23
Probably the Physx being a resource hog. Try setting it to low or off.
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post #4 of 23
Thread Starter 
i did enable physx , i oc my clock to 900mhz , like i said most of time i got 70-100 fps , but in some place contains lot of people and cars my fps drop to 30 fps , or sometimes i walk in some rooms fps drop quickly too is this normal??
My System
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CPUMotherboardGraphicsRAM
I7-3930K@4.6GHZ ASUS RAMPAGE IV EXTREME EVGA GTX680 SLI Corsair Vengence DDR3 16GB 1600@8-8-8-24 
Hard DriveCoolingOSMonitor
Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
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CORSAIR AX1200 COOLERMASTER HAF X-942 
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My System
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CPUMotherboardGraphicsRAM
I7-3930K@4.6GHZ ASUS RAMPAGE IV EXTREME EVGA GTX680 SLI Corsair Vengence DDR3 16GB 1600@8-8-8-24 
Hard DriveCoolingOSMonitor
Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
PowerCase
CORSAIR AX1200 COOLERMASTER HAF X-942 
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post #5 of 23
Try disabling physx see if that helps.
post #6 of 23
Thread Starter 
oh sorry by the way, i enable all setting with max including physx high is that cause low fps in some place??
My System
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CPUMotherboardGraphicsRAM
I7-3930K@4.6GHZ ASUS RAMPAGE IV EXTREME EVGA GTX680 SLI Corsair Vengence DDR3 16GB 1600@8-8-8-24 
Hard DriveCoolingOSMonitor
Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
PowerCase
CORSAIR AX1200 COOLERMASTER HAF X-942 
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My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
I7-3930K@4.6GHZ ASUS RAMPAGE IV EXTREME EVGA GTX680 SLI Corsair Vengence DDR3 16GB 1600@8-8-8-24 
Hard DriveCoolingOSMonitor
Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
PowerCase
CORSAIR AX1200 COOLERMASTER HAF X-942 
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post #7 of 23
Like he said...
turn off PhysX and see what happens.
post #8 of 23
Thread Starter 
i just turn off the physx and played 1 whole chapter game runs flawlessly so probably high physx settings kill some of fps in some place??
My System
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CPUMotherboardGraphicsRAM
I7-3930K@4.6GHZ ASUS RAMPAGE IV EXTREME EVGA GTX680 SLI Corsair Vengence DDR3 16GB 1600@8-8-8-24 
Hard DriveCoolingOSMonitor
Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
PowerCase
CORSAIR AX1200 COOLERMASTER HAF X-942 
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My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
I7-3930K@4.6GHZ ASUS RAMPAGE IV EXTREME EVGA GTX680 SLI Corsair Vengence DDR3 16GB 1600@8-8-8-24 
Hard DriveCoolingOSMonitor
Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
PowerCase
CORSAIR AX1200 COOLERMASTER HAF X-942 
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Reply
post #9 of 23
that is what i figured was happening, from what i have read, there are parts of mafia 2 that kill on physx because there is so much going on. so you would need something like a 470 to run the physx to not see that drop in FPS
post #10 of 23
Thread Starter 
u mean run with 2 gpu and set other card dedicate to physx??
My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
I7-3930K@4.6GHZ ASUS RAMPAGE IV EXTREME EVGA GTX680 SLI Corsair Vengence DDR3 16GB 1600@8-8-8-24 
Hard DriveCoolingOSMonitor
Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
PowerCase
CORSAIR AX1200 COOLERMASTER HAF X-942 
  hide details  
Reply
My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
I7-3930K@4.6GHZ ASUS RAMPAGE IV EXTREME EVGA GTX680 SLI Corsair Vengence DDR3 16GB 1600@8-8-8-24 
Hard DriveCoolingOSMonitor
Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
PowerCase
CORSAIR AX1200 COOLERMASTER HAF X-942 
  hide details  
Reply
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