This will be comparing combined aligned sales of the PlayStation 4 and Xbox One with the PlayStation 3 and Xbox 360. This chart is comparing aligned sales for the PlayStation 4 and Xbox combined versus combined sales of the PlayStation 3 and Xbox 360. The PS3 and Xbox 360 both had slow starts, while the PS4 and Xbox One both had the two biggest launches in gaming history. The PlayStation 3 and Xbox 360 in their first 13 months have sold a combined 12.58 million units, while the PlayStation 4 and Xbox One have sold a combined 25.28 million units. This gives a 2 to 1 advantage to the PlayStation 4 and Xbox One. Total Combined PlayStation 3 and Xbox 360 Sales: 12,582,592 Total Combined PlayStation 4 and Xbox One Sales: 25,279,691 Total Lead: 12,697,099 – PlayStation 4 and Xbox One Source: cgchart