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

[GamechaserBE]

AlexJones said:

I've said in another forum and I'll say it here, the VGC's #s for Xbone do not make any sense.
The Xbox is less popular than the PlayStation than even last generation, and Xbox 360 sold 70% of their consoles in the US. Using VGC's #s, the ratio of US to ROW sales is approximately 60:40.

So let's add this up.
Xbone is less popular than the PS4 in ROW. Only the US got insane Xbox deals throughout the holidays, yet the Xbone magically did better in ROW? The ratio should be at least 90:10 US to ROW.
I'd say Xbone is approximately 2.5m overtracked.

Was it that forum were also said PS4 must have passed 20 million and VGC must be wrong?  We just had numbers from France where Xone end up being undertracked.