uncomparable vs unrivaled

uncomparable and unrivaled both are adjectives.

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

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