ricecrispi, I think you're getting confused over which testbed he's used for which results. He has 3 testbeds, and I believe you are comparing the results with one testbed (which gives quite high C/W results) with another testbed (which gives very low C/W results).
He has the old T'Bird die-sim Testbed.
The Acorp P4 testbed
...and his newer 1" squared copper slug testbed (large die sim).
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