What's the difference between quadrireme and quinquereme?

Quadrireme

Definition:

• (n.) A galley with four banks of oars or rowers.

Example Sentences:

Quinquereme

Definition:

• (n.) A galley having five benches or banks of oars; as, an Athenian quinquereme.

Example Sentences:

• (1) He wondered if we could earn our passage out to the Antipodes as oarsmen on a quinquereme.