Literally 1/3 of the functions at 100$ less of the normal price.
>no detachable joycons
>which means if something breaks you will have to send everything to Nintendo to repair
>no vibration
>1 hour more of battery durability
>sligthly smaller
>no light detector for automatic light adjustments
>~.12lb lighter
>no dock compatibility
>analogics allegedly will drift more than the normal one
Think if those differences makes up for 100$ less in the price for you