sales pitch vs sales talk

sales pitch and sales talk both are nouns.

Word	Noun	Adjective	Verb	Adverb
sales pitch	Yes	No	No	No
sales talk	Yes	No	No	No

As nouns, sales pitch and sales talk are synonyms defined as:

sales pitch and sales talk: promotion by means of an argument and demonstration

Other synonyms of sales pitch include pitch.

sales pitch (noun)	sales talk (noun)
promotion by means of an argument and demonstration	promotion by means of an argument and demonstration