(Image credit: Tom's Hardware) Benchmarking software developer PassMark publishes the average results of all Windows PC tests across the globe every two weeks in a line graph. In line with what many enthusiasts might expect, the PassMark graph has always shown a consistent increase in processor performance year-on-year. However, for the first time since the company started keeping track in 2004, the average CPU mark score for desktop and laptop processors has dropped, with laptops dropping 3.4% ...