I would like to introduce a good webpage called Anandtech- your source of hardware analysis and news. It always publishs the latest news about computer related products such as microprocessors, chipsets, memories, video cards, motherboards, digital cameras news. Besides this, it also makes product comparisons, for example, the comparison of micoprocessor performance in between Intel and AMD. The more impressive words about the stiff competition is "The return of the Jedi". Moreover, the website also gives comments and introduction about computer products.
45nm Phenom II X4 940 at 3.0GHz and the 920 at 2.8GHz
If you are computer mania then it is a good site to keep abreast of computer latest development.
Source of the above pictures: anandtech.com
Tom's Hardware. The specialty of the site is doing some strange tests on mircoprocessor. Besides this, it also guides you how to overclock microprocessors .