It was a struggle getting it "officially" out the door, and the reviews are already lackluster, but AMD's 45nm, quad-core Phenom II has finally arrived. It's available in two flavors, the 2.8GHz X4 920 and the 3.0GHz X4 940 Black Edition, going for $235 and $275, respectively. AMD's naturally touting the ostensible cost savings of the chips -- they're supposed to split the difference between Intel's Core 2 Quad and Core i7 processor -- but in reality they seems to trail Intel's offerings pretty soundly on the price / performance curve. The accompanying Dragon platform includes a Phenom II proc, 4800-series Radeon HD graphics and a 790-series motherboard, all of which should combine for low power consumption -- up to 40 percent compared to Phenom processors. Where the Phenom II definitely wins is
