That's kind of like the Microsoft Windows Experience Index that is provided by Windows Vista / Windows 7 which gives a score based on CPU, RAM, GPU, and hard disk speed. Not entirely useful but gives beta-level nerds something to talk about at the water cooler.
At work my desktop computer is a Pentium E6300 with a 6.3 rating on the CPU and an overall 4.8 rating due to the crappy graphics chipset.
At work my laptop computer is an i3-2010M with a 6.4 rating on the CPU and an overall 4.6 rating due to the crappy graphics chipset.
A compression algorithm rated by speed and compression ability would have to weight the speed vs. the compression, right?