If Sony makes a "Playstation Switch" could it succeed?

[Conina]

Lawlight said:
Think of it this way:

PS4 : sold 70M so far
PS4 with play on the go option: Will it sell less than 70M?

How many PS4 gamers would double dip for a "on the go option", probably with some compromises regarding resolution, effects/shadows, storage space...?