you dont need to add one, however since 1440*900 with NVidia 8 series or Radeon HD series or higher is recommended, you should expect better performace with any current dedicated gpu compared with your igp!(obviously directx library must be hardware accelerated)
you dont need to add one, however since 1440*900 with NVidia 8 series or Radeon HD series or higher is recommended, you should expect better performace with any current dedicated gpu compared with your igp!(obviously directx library must be hardware accelerated)