When you compare monthly sales to a year ago the Xbox One is up, while the PlayStation 4 is down. The PlayStation 4 is down 92,081 units and the Xbox One is up 914 units.
The Switch outsold the PlayStation 4 by 265,440 units and the Xbox One by 374,517. The PlayStation 4 outsold the Xbox One by 109,077.
Looking at market share for the month, the Switch managed to achieve 77 percent. The PlayStation 4 accounted for 23 percent of the consoles sold, and the Xbox One less than one percent.