PS4 and X1 shipped nearly 30 million consoles at the end of 2014 according to AMD

[Burek]

Aura7541 said:

Since Sony announced that 18.5M PS4 were sold to consumers at the beginning of the year, the X1 is very likely overtracked. This also gives us an answer to what MS meant when it said "nearly 10 million X1's sold".

They never said that. They said "nearly 10 million shipped".