The easiest difference is static HTML once rendered cannot be changed on the other hand dynamic HTML can be changed.

Static web pages cannot have database access but dynamic pages can be connected to database.

Using static HTML no interactions persist between user and server but dynamic HTML has capability to interact with the user.

Static HTML does not require server side coding but dynamic HTML requires server side coding.

No animation, games can be developed using the static HTML but on the other hand dynamic HTML can perform this task.