3gb vs 5.5gb (ram usable for games) is what's going to kill Switch's chances of getting games like Witcher 3 or the next Elderscrolls/Fallout, regardless of the GPU/CPU deficit.
There is a big difference in power, and when a big third party title launches on both Switch and PS4 the difference will be very apparent.
You pay a price for portability.
LTD: PS4 - 125m, Switch - 110m, XBO - 51m
2020: PS4 - 9m, Switch - 22.5m, XBO - 2.5m, PS5 - 4.5m, XBX - 2.8m