- Definition: IGP (Integrated Graphics Processor)
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An IGP a chip that is the result of integrating a graphics processor with the northbridge chip (see northbridge and chipset). An IGP may refer to enhanced video capabilities, such as 3D acceleration, in contrast to an IGC (integrated graphics controller) that is a basic VGA controller. When a small (less than five processors) GPU is put inside a Northbridge (making it an IGP), the frame buffer is dropped and the GPU uses system memory. This is also known as a UMA (unified memory architecture).
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