Intel GMA HD or the Graphics Media Accelerator HD is the earlier 1st generation graphics in Intel Core i3, core i5 and core i7 processors ( As also Arrandale based Pentium Processor). The Intel HD Graphics 3000 ( Sometimes also called GMA HD 3000) is the integrated graphics in the second generation core i processors ( As also Sandy Bridge Pentium and Celeron Processors). Let us discuss the difference between them and how much is the HD 3000 improved with respect to the earlier revision.
The Intel GMA HD graphics is made available with first generation processors due to availability of 3 codes.
The Intel HD Graphics 3000 is made available with the 2nd generation processors due to the availability of 4 codes.
The GMA HD is much slower than the HD 3000 and HD 3000 offers good performance with games unlike GMA HD. It is essential to configure the HD 3000 to the maximum settings in order to make more out of the graphics card for the user.