AMD Phenom II X3 720 Black Edition CPU Review
 

AMD have started to use new 45nm core for their unique triple-core CPUs. As a result, there appeared a very attractive solution for the mainstream segment. And taking into consideration remarkable potential of the Phenom II X3 CPUs, we have every reason to conclude that it is going to be a new sales hit.
http://www.xbitlabs.com/articles/cpu...ii-x3-720.html

Core 2 E7500 at 4.2Ghz is as fast overall as a Phenom II X3 720 at 3.7Ghz?!