incomparable vs unrivaled

incomparable and unrivaled both are adjectives.

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

incomparable (adjective)	unrivaled (adjective)
such that comparison is impossible; unsuitable for comparison or lacking features that can be compared	eminent beyond or above comparison