I quoted the actual source a while back. I think that article is more of speculation.I kinda hope they don't use the patent for a VR headset, it would be the ugliest one around at 720p or 1080p. If Nintendo was going to get involved with VR they should've just partnered with HTC or Oculus instead.
Indeed the rumor is Maxwell instead of Pascal, 20nm.
https://www.guru3d.com/news-story/nintendo-switch-gets-tegra-soc-with-maxwell-gpu,3.html
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Even the Foxconn leak is more trust worthy.