Open GL Vs Quartz - Which is better for 2D game development?

Hi,
I am new to iphone game development. I want to create 2D game. Simple game with objects moving around.
I never used Open GL as well as Quartz. For this game I am planing to study that.
I want to know which is better from OpenGL or Quartz?
And where I can learn more on that?
Thanks,
Ganesh Pisal

I would recommend against OpenGL for a 2D game. Quartz does a lot of work to avoid updating parts of the screen that haven't changed, something OpenGL doesn't do. The iPhone's implementation of OpenGL has other serious performance issues.

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Open GL Vs Quartz - Which is better for 2D game development?

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