November 2021 is the 13th month the Xbox Series X|S has been available for. In the latest month, the gap grew in favor of the Xbox One when compared to the aligned launch of the Xbox Series X|S by 561,308 units. The Xbox Series X|S has grown its lead in the last 12 months by 1.31 million units. The Xbox Series X|S is currently ahead by 1.46 million units.
The Xbox Series X|S has sold 9.84 million units in 13 months, while the Xbox One sold 8.38 million units. Month 13 for the Xbox Series X|S is November 2021 and for the Xbox One is November 2014.
source: gamezpot.com