I don't even know about "teapot"...
In any case, to do a proper benchmarking and comparison between viewers, you must ensure they both use the exact same graphics settings and are used under the exact same conditions. See
this message for what to do.
Also, do give a try at Nvidia's latest beta driver (304.22): with it, my "best case scenario" FPS (in a skybox) jumped from 130 to 170 !