incomparable vs unique

incomparable and unique both are adjectives.

Word	Noun	Adjective	Verb	Adverb
incomparable	No	Yes	No	No
unique	No	Yes	No	No

incomparable (adjective)	unique (adjective)
such that comparison is impossible; unsuitable for comparison or lacking features that can be compared	radically distinctive and without equal
	the single one of its kind
	(followed by `to') applying exclusively to a given category or condition or locality
	highly unusual or rare but not the single instance