Yes, I ran the heaven benchmark.
Attribute 'GPUCurrentClockFreqsString' (workstation:0.0): nvclock=705, memclock=3004
'Prefer Maximum Performance' checked in nvidia-settings.
Driver version 310.19
I never thought to research the damn overclocking on an NVIDIA card - I've been doing that since day one with NVIDIA... I probably would have bought an HD7970 had I known NVIDIA butchered such features. I can't even change the fan speed!