RAW Import with Apple Aperture
Apple Aperture 3.1.1 Import 128 Canon 21-megapixel CR2 RAW files to 16-bit uncompressed TIF. Faces and location features off, max quality previews.
Aperture makes fairly good use of 4 CPU cores, but minimal gain beyond that. Surely Apple engineers could figure out how to use their own hardware better!
The 2011 MacBook Pro is breathing hot on the heels of the 3.33GHz 6-core Mac Pro, being only 16% behind, and beats the 2.8GHz Mac Pro.
The 2010 MacBook Pro take 45% longer than the 2011 model.
Test machines used my preferred SSDs, see the test configuration. Hard drive users will see slightly degraded results over those shown here.