So would PSP vs Switch in Japan be a chart worth doing? PSP sold only a few million less than 3DS lifetime there.
Eventually it might be a good comparison, not now though.
2 years, 8 months
NSW-10.25 million (Mar 17-Nov 19)
PSP-5.75 million (Dec 04-July 07)
When the herd loses its way, the shepard must kill the bull that leads them astray.