I found this webpage with a huge list of processors with a bunch of their specifications such as how much heat they resist, their speeds, and their voltage. I really find it interesting, there are some companies that dont exist such as Cyrix, I have an old compaq that has a Cyrix processor here in my closet. This is a really interesting page for those of you who would like to know about all the processors ever made and learn a little history, and how much they have evolved. The webpage is:

http://users.erols.com/chare/elec.htm