It looks like some benchmarks of an early Llano engineering sample have been leaked:
It is hard to say whether Turbo Core is fully functional though.
The CPU score indicates IPC is a tad better then the current Athlon II X4:
The GPU seems to be similar in performance to an HD4670 or HD5550 when the CPU is at low clockspeeds.
However,if the CPU is overclocked it seems the performance is closer to a GT240 DDR3 or 8800GS.