Filed under: DesktopsWe'd heard rumblings about this newfangled three-core approach just two days ago, and now it looks like AMD has went and got all official on us. According to the chip maker, the forthcoming Phenom is "expected to be the world's first PC processor to integrate three computational cores on a single die of silicon." Additionally, it was noted that this design was "a response to demand for increased performance delivered by multi-core processors when running state-of-the-art applications," and AMD apparently hopes to grab the market that isn't