Because we rely so much on our computers every day, we want them to be superheroes: capable of loading massive files in the blink of an eye. Tablets and smartphones, like any new device category, are getting more powerful all the time. But with physics being what they are, their larger siblings still easily win the day when it comes to performance. The modern multi-tab-browsing, Spotify-streaming, World of Warcraft-playing lifestyle yearns for your PC's quad-core chip.