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Help: SLI GPU power usage?

post #1 of 7
Thread Starter 
I have two gtx 670 sc 4gb in sli.....Ive noticed the power percentage differs on each card. Is this normal?

Ive tried switching their pci slots and still differing power usage and I believe this may be resulting in my sporadic gpu usage as well while gaming.

Case: SilverStone TJ08B-E
CPU; i5 2500k @ 4.6Ghz
Mobo: ASUS Maximus V Gene LGA 1155 Intel Z77
GPU's: SLI EVGA 670 SC 4GB
Memory: Mushkin Redline 8Gb(2x4Gb)
PSU: Corsair 750AX
SSD's: 128Gb Patriot Pyro SE (x2)
Edited by h2spartan - 10/21/12 at 10:03pm
Iron Patriot
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Iron Patriot
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post #2 of 7
Thread Starter 
Anyone have differing power usage on your sli'd cards?
Iron Patriot
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Iron Patriot
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post #3 of 7
Thread Starter 
Anyone help me with this? Is one of my cards defective or is this normal?
Iron Patriot
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Iron Patriot
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post #4 of 7
Please fill out your rig specs, so we can help you better. If I had to guess you can't fully utilize both of those monsters on the cpu you have, or possibly running one card in an 8x pcie 2.0 slot.
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The Grey Box
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post #5 of 7
Thread Starter 
Case: SilverStone TJ08B-E
CPU; i5 2500k @ 4.6Ghz
Mobo: ASUS Maximus V Gene LGA 1155 Intel Z77
GPU's: SLI EVGA 670 SC 4GB
Memory: Mushkin Redline 8Gb(2x4Gb)
PSU: Corsair 750AX
SSD's: 128Gb Patriot Pyro SE (x2)
Iron Patriot
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CPUMotherboardGraphicsRAM
Intel i7-4930K ASUS Rampage IV Gene EVGA GeForce GTX 780 Ti Classified K|NGP|N Edition 16gb Corsair Dominator Platinum 2400mhz (9-11-1... 
Hard DriveCoolingOSMonitor
512gb Samsung Pro SSD Corsair H110 Windows 7 64 bit Samsung 23SA950D 
KeyboardPowerCaseMouse
Corsair Vengeance K70 Corsair AX860 Corsair 350D Mionix Naos 7000 
Mouse PadAudio
Corepad Deskpad XXXXL Beyerdynamic DT 990 Premium 
  hide details  
Reply
Iron Patriot
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Hard DriveCoolingOSMonitor
512gb Samsung Pro SSD Corsair H110 Windows 7 64 bit Samsung 23SA950D 
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post #6 of 7
Thread Starter 
Well actually they are both in 8x when in sli but one seems to always get more power than the other when under heavy load...like if ones at 115% the other will be at 100% and just keep fluctuating but one will always stay lower power percentage than the other.
Iron Patriot
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Hard DriveCoolingOSMonitor
512gb Samsung Pro SSD Corsair H110 Windows 7 64 bit Samsung 23SA950D 
KeyboardPowerCaseMouse
Corsair Vengeance K70 Corsair AX860 Corsair 350D Mionix Naos 7000 
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Iron Patriot
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CPUMotherboardGraphicsRAM
Intel i7-4930K ASUS Rampage IV Gene EVGA GeForce GTX 780 Ti Classified K|NGP|N Edition 16gb Corsair Dominator Platinum 2400mhz (9-11-1... 
Hard DriveCoolingOSMonitor
512gb Samsung Pro SSD Corsair H110 Windows 7 64 bit Samsung 23SA950D 
KeyboardPowerCaseMouse
Corsair Vengeance K70 Corsair AX860 Corsair 350D Mionix Naos 7000 
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Corepad Deskpad XXXXL Beyerdynamic DT 990 Premium 
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post #7 of 7
Thread Starter 
Do you thjink it is my i5 bottlenecking the 670s? but it's weird, i have the target power percentage at max (122%) and when i got to benchmark using 3dmark 11, Ill get close to full power usage on both as well as 97-99% gpu usage. Then when i go to play a game like BF3 the percentages go crazy.
Iron Patriot
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7-4930K ASUS Rampage IV Gene EVGA GeForce GTX 780 Ti Classified K|NGP|N Edition 16gb Corsair Dominator Platinum 2400mhz (9-11-1... 
Hard DriveCoolingOSMonitor
512gb Samsung Pro SSD Corsair H110 Windows 7 64 bit Samsung 23SA950D 
KeyboardPowerCaseMouse
Corsair Vengeance K70 Corsair AX860 Corsair 350D Mionix Naos 7000 
Mouse PadAudio
Corepad Deskpad XXXXL Beyerdynamic DT 990 Premium 
  hide details  
Reply
Iron Patriot
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7-4930K ASUS Rampage IV Gene EVGA GeForce GTX 780 Ti Classified K|NGP|N Edition 16gb Corsair Dominator Platinum 2400mhz (9-11-1... 
Hard DriveCoolingOSMonitor
512gb Samsung Pro SSD Corsair H110 Windows 7 64 bit Samsung 23SA950D 
KeyboardPowerCaseMouse
Corsair Vengeance K70 Corsair AX860 Corsair 350D Mionix Naos 7000 
Mouse PadAudio
Corepad Deskpad XXXXL Beyerdynamic DT 990 Premium 
  hide details  
Reply
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