From what I have seen people say, the Xbone and PS4 will outsell the Wii U by the end of this year?

[Mnementh]

richardhutnik said:

Didn't the Wii blow past the 360 within months of being released?

Yes, but it wasn't fast enough to do that in 2006:

http://www.vgchartz.com/yearly/2006/Global/

So I think PS4 and X1 will also not be able to do it.