Last Gen Sold 280m Consoles. How much will this gen sell? Predictions

[Mummelmann]

enlightenedmaster said:
200-250million

PS4 - 100m TO 150m

Xbox One - 40m to 80m

WiiU - 20m to 40m

Wouldn't this be 160-270 million? That's a 110 million difference, that's a beyond huge margin or error.