Hi,
I wonder is it normal when playing Withcer 2, BF3, Skyrim, Alan Wake and so on, GPUz's "memory controller usage" or MCU (memory controller usage) in nvidia inspector stand around 40-50%. I can achieve 99% GPU usage and see that's they are bot connected in some way but MCU never goes to 70-80-99%. Can it be a reason for bad fps?
I wrote that 99-100% constant MCU means that videocard is broken but not the case here.
Made 3dmark11 test - it passes:
http://3dmark.com/3dm11/2798014 - seems normal.
Here's data form playing Skyrim:
ASUS G74SX-TZ277D with 4x4GB Kingston