my 2cents would be judging CPU performance based purely on Ghz is not very accurate.
On a PC level, a core i7 running on 3.0ghz would probably perform a lot better than a rival AMD phenom X6 at 3.0ghz. Even with your modifiers, you said it yourself, other factors such as OS optimization, eg never will iOS run on symbian hardware. I digress...
All in all a very good compilation, however benchmarks have a very synthetic feel to them eg. it only gives you the slightest idea on how real world performance would be.