Member-only story Pandas Postgres Psycopg2 Performance Speed Test Pandas v Psycopg Thomas Reid 7 min read · Aug 10, 2023 -- 1 Listen Share Following on from a story I wrote comparing the speed of Pandas and Polars libraries in terms of reading and writing data — from and to — a Postgres database I thought it might be interesting to do a similar comparison between Pandas and Psycopg2. It implements the Python Database API Specification v2.0, allowing Python applications to communicate with PostgreSQL databases.