Quick question about GTX 660

Hey guys, I just built a new HTPC/gaming machine. Here are the specs real quick.

mobo: Gigabyte GA-970-ud3
CPU: AMD Phenom II X4 960t
RAM: 8gb Gskill RipJaws DDR3 2000
GPU: Gigabyte GTX 660
PSU: Corsair HX750
HD: Western Digital 2TB Black

Dual booted with Windows 7 Ultimate and Xubuntu 12.04

My question is about the core clock of the GPU. I ran 3dmark 11 and after it was done in the details it says the GPU's core clock is 549mhz. I installed Speccy, and it too says the GPU has a core clock of 549mhz. According to Newegg, I should have a core clock of 1033mhz. Just curious whats going on here? Any suggestions or am I missing something stupid? haha

Thanks,
-RYknow

Well, GPUz is reporting a core clock of 1033 like it should be. I'm going to assume that 3dmark...for whatever reason is just reporting the speed incorrectly?

-RYknow