In two of the three major video game markets (Japan and the U.S.), Nintendo has come out on top in first-week sales of handheld gaming systems with its DS and 3DS consoles. But Sony has performed better in Europe, where the last-generation PlayStation Portable and the recently released PlayStation Vita have outperformed both DS devices.

Check the infographic below to see how these four portables fared in first-week sales across the three territories, and for comparison's sake, see how eight major handheld platforms have sold in their lifetimes.