Did you look at temps after a gaming session or while gaming? Temps drop very fast when not busy.
When at the desktop my CCC shows 0% activity aswell.
If you want know the maximum data leave gpu-z open when gaming. From the dropdown boxes select "Show Highest reading". When you exit the game you will see the highest data reached.
Get the latest GPU-Z 0.6.3
A comparison in pics.
Gigabyte GA-P67A-UD7-B3 F7 bios
i7- 2600k ,Cooler Master V6GT
2x4 gig G-Skill Ripjaws X DDR3 1333
Asus GTX 680
Corsair TX 850W PSU
Creative X-FI Titanium Champion, Logitech Z-5500
Win 7 x64 Ultimate(SP1), Antec DF-85 case.
06:43 AM by