microprocessor vs microchip

microprocessor and microchip both are nouns.

Word	Noun	Adjective	Verb	Adverb
microprocessor	Yes	No	No	No
microchip	Yes	No	No	No

As nouns, microchip is a hypernym of microprocessor; that is, microchip is a word with a broader meaning than microprocessor:

microprocessor: integrated circuit semiconductor chip that performs the bulk of the processing and controls the parts of a system
microchip: electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit

Other hypernyms of microprocessor include chip, micro chip, microprocessor chip, silicon chip.

microprocessor (noun)	microchip (noun)
integrated circuit semiconductor chip that performs the bulk of the processing and controls the parts of a system	electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit