AMD goes all in on multithreading and extra memory; Intel focuses on specialized cores and overall core counts. Which approach works best for your next desktop PC or chip upgrade?

Fire up the 2013 remix of the Eagles "Desperado". Listen to the beat: That's 60 beats per minute, or to an engineer, 1 Hertz (Hz). Lady Gaga's "Just Dance" is around twice that. It sounds fast, but ...