Prior to this acquisition/merger, 3Dfx had been working with most of the other graphics card manufacturers including Guillemot and Diamond Multimedia.

However, in 1998 they purchased STB Microsystems which put a lot of financial pressure on a company that was already struggling in the market. They had thus far relied upon selling their chipsets to other vendors. All these cards offered inferior 3D acceleration to a 3Dfx card but their low cost and the fact they were both 2D and 3D cards combined often appealed to OEM system builders. Once 3D graphics rendering was becoming more mainstream in PC games, 3Dfx saw further competition from Matrox with their Mystique, S3 with the ViRGE, and ATI's 3D Rage. It became standard for 3D games to offer support for the company's 'Glide' API.ģDfx' main competition was from Rendition and PowerVR, who also produced 3D-only accelerator chips. Despite this limitation, the Voodoo Graphics product and its follow-up, Voodoo2, were popular. The hardware accelerated only 3D rendering, relying on the PC's current video card for 2D work. Their main product was the Voodoo Graphics - an add-in card that accelerated 3D graphics.

Towards the end of 1996 the cost of EDO RAM dropped significantly, enabling 3Dfx to enter the consumer PC market with a full product.

Initially they manufactured only the 3D accelator chips which they sold to graphics card companies. 3Dfx was a graphics card manufacturer for the IBM PC and its compatibles from 1994 until 2002.

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