If you want to execute graphically more demanding applications (3D) and 3D games, you often need faster graphic cards than current onboard models (see our comparison of graphic cards). How much memory is necessary and useful for such applications?
Basically, a lack of memory only slows down, when it is needed (that means, when the settings of resolution, texture details, anti aliasing or anisotrope filtering needs more memory than available). Up to 128 MB graphic memory Most current games (10/2006) need 128 MB with a resolution of 1024×768 pixels and without anti aliasing / anisotrope filtering. If graphic cards are used, whose performance is not able to represent these resolutions with high details, 128 MB are too much and unnecessary. So, video cards below the performance of a NVIDIA GeForce Go 7600 or ATI Mobility Radeon X1600 don’t need more memory than 128 MB. 256 MB graphic memory 256 MB video memory are sufficient for almost all current games with high settings and a resolution of 1024×768 or similar. An improved performance with 256 MB only is possible with video cards of the mid range or high end class like NVIDIA GeForce Go 7600 or ATI Mobility Radeon X1600. 512 MB graphic memory At moment, only few games benefit from
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