They are 3 ways to compare how computer handle work: Gflops, Weatstones/Drystones and time needed to make something. MHz doesn't mean anything usefull, it's like comparing cars performances in max rpm. 
Where could we find honest comparison between different computers on these units, with some history (older machines running older systems) ?
Where could we find honest comparison between different computers on these units, with some history (older machines running older systems) ?