The Switch is much bigger than both of those consoles and is more of a chore take around with you. (theverge.com)
While I'll happily stuff my Nintendo 3DS in my pocket when I go out into the world, the Switch is too delicate and too large for me to comfortably take it around with me unprotected. (pressthebuttons.com)
running around your neck allows it to deliver a theater - like surround sound experience, co-designed with DTS, that you can actually take around with you. (slashgear.com)