RTX 3070 for sale. The majority of the manufactured Custom Graphic Cards are Gaming variants with OC. OC refers to Overclocking, meaning that the Graphics Chip has higher clock speeds than the reference model of AMD or NVIDIA. Depending on the chip architecture, Graphics Cards have features like ray tracing, multi monitor support and other optimisations for gaming and streaming.
The primary suppliers of the GPUs (graphics chips or chipsets) used in graphics cards are AMD and Nvidia. In the third quarter of 2013, AMD had a 35.5% market share while Nvidia had a 64.5% market share, according to Jon Peddie Research. In economics, this industry structure is termed a duopoly. AMD and Nvidia also build and sell graphics cards, which are termed graphics add-in-board (AIBs) in the industry.