informatics vs information processing

informatics and information processing both are nouns.

Word	Noun	Adjective	Verb	Adverb
informatics	Yes	No	No	No
information processing	Yes	No	No	No

As nouns, informatics and information processing are synonyms defined as:

informatics and information processing: the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information

Other synonyms of informatics include information science, IP.

informatics (noun)	information processing (noun)
the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information	the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information