Unofficially, Apple announced the NVIDIA GeForce 9400M graphics card yesterday, when it launched the new MacBook lineup. Officially, today NVIDIA launched the new GeForce 9400M graphics card for notebooks. The 9400M is the first chip that merges chipset and true graphics card on a single chip. The chipset features both the memory and bus controllers, where as the graphics core comes with 16 graphics processors. The graphics card shares memory from the main system memory.
NVIDIA claims the new approach of integrating chipset and graphics result in 5X speed gain over Intel’s integrated graphics. In test done with benchmarking tool 3D Mark Vantage, NVIDIA 9400M offered five-fold performance gain over Intel’s GMA 4500MHD graphics chipset.
The features on the new 9400M include Shader Model 4 visual effects, full hardware HD video decoding, CUDA, PhysX and Hybrid SLI.  The new chip is being used in Apple’s MacBook and MacBook Pro, and NVIDIA has yet not named any other notebook vendor who will use the new chip.