What's changed
Both new 13-inch MacBook Pro models include Nvidia's GeForce 320M integrated graphics, which shares a minimum of 256MB of main memory. This replaces the GeForce 9400M integrated graphics in the previous generation (which shared the same amount and type of RAM). In our testing, the new 13-inch models achieved much better frame rates on our Call of Duty test. For example, at 38.9 frames per second, the 2.4GHz MacBook Pro did 15.2 frames per second better than the higher-end, 2.53GHz 2009 model--an improvement of 64%. They still lagged way behind the new low-end 15-inch MacBook Pro, which garnered 68.4 frames per second thanks to it discrete graphics.Read more on Computer World: http://asurl.net/k9y