I'm talking 2020 onward fam.
This year we see 10nm chips enter production:
http://www.futuretimeline.net/21stcentury/2017.htm#transistor-size-timeline
and 2020 is when we hit the limit of Poe's law thanks to Quantum Tunneling with the 5nm chips:
https://en.wikipedia.org/wiki/5_nanometer
Which means that in 3 years time, mobile phones will be even MORE powerful than what the current 14nm ones can do (for the record, Pascal is 14nm, and Maxwell is 20nm. Thus, mobile phones of the 2020s will be 2-4x more powerful than the strongest tablets in the current market, which, I should note that the Microsoft Surface can play Doom at medium high settings, and run Dolphin Emulator at 1080p 60fps.
Combine that with 5G networking:
http://www.futuretimeline.net/21stcentury/2020.htm#mobilestandard
And 2020s will be dope. Like I said, the next generation of gaming will go through some radical changes, and I didn't even mention VR and how that's expected to get a massive upgrade by 2020 thanks to 10k mobile screens.