With its2-GHz Intel quad-core Core i7-2630QM, Nvidia GeForce GT 540M graphics, and a 7, 200-rpm hard drive, the XPS 15 offers plenty of performance. On PCMark Vantage, a synthetic benchmark that measures overall speed, the XPS 15 scored a whopping 8, 548. That showing is about 50 percent above the mainstream notebook category average of5, 012 and better than the Core i5-powered handy feautured config fully