This computer rivalry has been elevated to a cultural divide on par with Pepsi versus Coke. Taking it beyond personal taste, PM crunches the numbers—with some surprising results (and detailed benchmark scores). We all know the stereotypes. Apple’s popular commercials have painted the picture in stark terms: There are two types of people, Mac people and PC people. And if the marketing is to be believed, the former is a hip, sport-coat-and-sneakers- wearing type of guy who uses his computer for video chatting, music mash-ups and other cool, creative pursuits that starchy, business-suited PC users could never really appreciate unless...