The Switch outsold the PlayStation 4 in August by 21,312 units for the month and the Xbox One by 93,922 units. The PlayStation 4 outsold the Xbox One by 72,610 units.
When you compare monthly sales to a year ago the PlayStation 4 is up and the Xbox One is down. The PlayStation 4 is up 30,161 units and the Xbox One is down 154,085 units.
Looking at market share for the month, the Switch managed to achieve 41 percent. The PlayStation 4 accounted for 36 percent of the consoles sold, and the Xbox One 23 percent.
[Source: vgchartz.com ]