sales talk vs sales pitch

sales talk and sales pitch both are nouns.

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

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

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

Other synonyms of sales talk include pitch.

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