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This chipset is also known by its codename RS690. Two chipsets were released based on the RS690 core, AMD 690G and AMD 690V. The first is based on Radeon X1250 graphics engine supporting HDMI, while the second is based on Radeon X1200 graphics engine with no HDMI support. Even though the name of these engines are in the “1000” range, they are still Shader 2.0 engines (DirectX 9.0), not Shader 3.0 (DirectX 9.0c).
AMD 690G graphics core runs at 400 MHz and has four pixel shader processors and four vertex shader processors. Competing products from nVidia (i.e. GeForce 6100 and GeForce 7025/7050 families) have only two shader processors and two vertex shader processors, but they run at a higher clock rate (425 MHz on GeForce 6100, 7025 and 7050 and 475 MHz on GeForce 6150 – except LE and SE models) and are Shader 3.0 (DirectX 9.0c). The previous integrated graphics solution from ATI, Radeon X1100, runs at 300 MHz.
The good thing about AMD 690G chipset is that it has two independent video controllers inside, providing two video outputs on-board : one standard VGA output and one DVI output, allowing you to connect two video monitors to your computer at the same time without needing to install an add-on video card. This is simply great, especially if you think that the primary target of this motherboard is digital home PCs.
Finally, AMD 690G is the first chipset with on-board video from AMD/ATI to support Avivo, which is the name given by ATI to their set of 2D-enhancement technologies, like de-interlacing. The equivalent technology on nVidia world, PureVideo, is available on all current nVidia chipsets with integrated graphics but on GeForce 7025.
Labels: AMD, Knowledge
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