In every ORM I've ever used, everything is a prepared statement by default, so I've only been comparing 100 separate database call updates vs 100 updates concat

In every ORM I've ever used, everything is a prepared statement by default, so I've only been comparing 100 separate database call updates vs 100 updates concatenated as a single database call and 100 updates as a single update case when, where all three were already implied prepared statements.