Roborts donot responds to stimuli but human responds as it has special cells called neurons.
Roborts gets enegry from electrical current but human gets enegry from food substances (chemical enegry)
In case of reproduction Roberts dont reproduce as they dont have reproductive organs but in case of human they have reproductive organs due to which they reproduce.
Roborts donot have respiratory system due to which they don't breadth but human contains respiratory system due to which they are able to breadth.
Roborts can move in any condition but human cannot walk on spme surface such as rocky and slippery places.
Roborts can perform all activities but they require instructions but human can easily think and perform according to their wish.