PS4
Oct: 1.2m
Nov: 2.1m
Dec: 3.5m
Xbox One
Oct: 750k
Nov: 1.4m
Dec: 1.8m
Wii U
Oct: 240k
Nov: 800k
Dec: 1.2m
PS4 - over 100 millions let's say 120m
Xbox One - 70m
Wii U - 25m
Vita - 15m if it will not get Final Fantasy Kingdoms Heart and Monster Hunter 20m otherwise
3DS - 80m