Nope. Efficiency is how many tasks, and how fast one can do such tasks with one HURTZ, and obviously Intel has an edge with that. The more HURTZ thing is called overclockability, not efficiency.
Don't believe me? See for yourself.
http://www.legitreviews.com/article/682/4/
That's a 9850 review there. 9850 at stock 2.5GHz, and there's also Q6600 at stock 2.4GHz for reference.
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