Will the gap in sales between PS4 and X1 be greater or smaller in 2015?

[celador]

Kami said:

Your chart is old. 

PS4 17.3M and Xbox One 10.1M is what is showing right now. With that being said I say the gap increases next year. 

That is 2014's chart.  I'm asking if the gap next year will be bigger or smaller when you just look at the sales from that year, not overall