One similarity is the clothing that the actors wore in the play and movie. In both, the clothing was from the Elizabethan era. Another similarity is the setting. In the play, and movie, the story took place in Vienna. The last similarity is the ending in both the play, and movie. Finally, the story ends with the tragic death of Romeo and Juliet. The differences are few but noticeable, they are the characters, and scenes.
One difference between the movie, and play is the characters. Some characters in the play are not in the movie. The other difference is the scenes. Near the beginning of the play, the heads of both families appear whereas they do not appear in the movie.
In conclusion, the play has more characters and scenes then in the movie. As you can see, the similarities are the clothing, setting, and ending. The differences are the characters, and scenes. If you want all of the information, you should read the play. If you do not want all of the information and want to "see"� the story, you should watch the movie.