It has been really different due to some reasons mentioned below.
Explanation:
The Egyptian writing was developed in Mesopotamia and came through trade in Egypt.The purpose of writing is not decorative but intended for commercial and literary use.
The main purpose of this writing is to highlight and explain certain concept and events. Hieroglyphics was developed in which symbols and pictures were used to represent the concept.
Then logogram where symbols used for representing the concept was also used in script writing. By above mentioned points it could be said that Egyptian writing has been very unique and advanced.