PlayStation 4 Has Been Sold To 4.2 Million Units Sony has just announced the sale of the PlayStation 4 according to the description of their CEO, Kaz Hirai. Kaz Hirai revealed that the PlayStation 4 has sold 4.2 million units during its release in November 2013 around the world. The revelation was announced during CES 2014 event in Las Vegas. Furthermore their rival, Microsoft has also confirmed that the Xbox One has sold three million units since its release. For software PlayStation 4 also has got a great achievement to sell as many as 9.7 million units since the console launched.