One of their similarities is in character traits. The two main characters are very intelligent. Also, they are structural engineers. It is likely that they knew very well about how to break out of prison, and they had some tools to break out of prison. They also had friends who helped them. Another similarity is they both were innocent, but they committed a crime that caused them to go to jail. The final similarity is that they both broke out of prison two different times in the movie and TV series.
The first major difference is how they broke out of prison. Michael got tattoos which concealed a map of the jail, so he could use this as a guide. However, Ray Breslin already knew the structure of the prison because he was the world’s foremost authority on structural security. Michael had a lot of friends and his brother, Lincoln, who helped him break out of prison. Michael made a hole through the wall of his room behind his toilet, and he used metal to make a hole. Finally, Michael and another convict made a hole into the sewer, and they ran away from prison. Michael also used the same idea for the second time he broke out of another prison. Unlike Michael, Ray Breslin was able to copy the pin number for the door of his cell by using plastic from a milk carton.