October 2021 is the 12th month the Xbox Series X|S has been available for. In the latest month, the gap grew in favor of the Xbox Series X|S when compared to the aligned launch of the Xbox One by 400,699 units. The Xbox Series X|S is currently ahead by 2.02 million units.

The Xbox Series X|S has sold 8.43 million units in 12 months, while the Xbox One sold 6.40 million units. Month 12 for the Xbox Series X|S is October 2021 and for the Xbox One is October 2014.