'''Originally Posted By: Darshan Kariadarshonline@gmail.com''' Question 4: What are the main differences between OpenGL 1.1 ES and OpenGL 2.0 ES? Answer: The main difference between OpenGL ES 1.1 and OpenGL ES 2.0 is that the graphics pipeline in 2.0 is truncated and put more in the hands of the developer as to how it should be implemented.