http://kotaku.com/the-nintendo-switch-keeps-outselling-the-ps4-in-japan-1798691215
Pretty good article with some really interesting charts and graphs. For those not in the know, be enlightened. This should put things into perspective.
--
--
--
It took the Nintendo Switch 26 Weeks to sell 1,527,962 units, while in comparison, it took the PlayStation 4 a total 69 Weeks to sell a similar number.
Figures come from Media Create.