October 2017 is the 48th month that the PlayStation 4 has been available for. During the latest month the gap grew in favor of the PS4 when compared with the Wii’s 48th month on sale. The gap decreased by 444,468 units in the last month. Over the last 12 months it has decreased by 1.20 million units. The Wii currently leads by 7.83 million units.
Both consoles launched in November. The Wii launched in November 2006, while the PlayStation 4 launched in November 2013. The PlayStation 4 has sold 66.03 million units, while the Wii sold 73.86 million units during the same timeframe.