According to NVIDIA official representative the video adapter 320M (does not confuse with Geforce GT 320M), with which are equipped in the new 13- inch models macBook pro was developed specially for Apple.
NVIDIA 320M with the integrated graphic core, intended for notebook with the processors Intel core 2 Duo are the advanced analog of Geforce 9400M, presented in 2008. According to associate, 320M do not have separate video memory, using instead a part of system memory. The video core is based on the architecture GT216 with 48 stream processors, it supports the hardware decoding pureVideo HD and ensures speed, higher in comparison with 310M.
Apple itself calls 320M as the most rapid integrated graphic processor on the market and asserts that it can increase the operation speed of the graphic system in certain cases by 80%, and the battery life to 10 hours.
The utilized in 15- and 17- inch models macBook pro discrete video processor GeForce GT 330M according to the company, is faster than 320M, ensuring in this case 50-percent increase in the speed in comparison with GeForce 9600M GT, which were being used in MacBook pro previous generation.
Apple reports associate the energy-effectiveness of new GPU is 30% higher than in predecessors.