For the third consecutive month, the Xbox One has outsold the PS4. Just goes to show you that the original Xbox One probably should have been smaller and cheaper to start with. Xbox One was the top-selling home console in the United States September, according to data from industry-tracking firm The NPD Group. This marks the third straight month that Microsoft’s gaming system has beaten out the PlayStation 4 and Nintendo Wii U in terms of units sold. After winning July and August, Microsoft has strung together a strong few months.