These designs were completely separate from the SGI Odyssey based VPro products initially sold on their IRIX workstations which used a completely different bus. In a settlement of a patent infringement lawsuit between SGI and Nvidia, SGI acquired rights to speed-binned Nvidia graphics chips which they shipped under the VPro product label. There are parallels between the market segmentation used to sell the Quadro line of products to workstation (DCC) markets and the Tesla line of products to engineering and HPC markets. These features were of little value to the gamers that Nvidia's products already sold to, but their lack prevented high-end customers from using the less expensive products. The Quadro line also received improved support through a certified driver program. To differentiate their offerings, Nvidia used driver software and firmware to selectively enable features vital to segments of the workstation market, such as high-performance anti-aliased lines and two-sided lighting, in the Quadro product. In introducing Quadro, Nvidia was able to charge a premium for essentially the same graphics hardware in professional markets, and direct resources to properly serve the needs of those markets. The Quadro line of GPU cards emerged in an effort towards market segmentation by Nvidia. The Nvidia Quadro product line directly competed with AMD's Radeon Pro (formerly FirePro/FireGL) line of professional workstation cards. To indicate the upgrade to the Nvidia Ampere architecture for their graphics cards technology, Nvidia RTX is the product line being produced and developed moving forward for use in professional workstations. Nvidia has moved away from the Quadro branding for new products, starting with the launch of the Ampere architecture-based RTX A6000 on October 5, 2020. These are desirable properties when the cards are used for calculations which require greater reliability and precision compared to graphics rendering for video games. Quadro-branded graphics cards differed from the mainstream GeForce lines in that the Quadro cards included the use of ECC memory and enhanced floating point precision. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.Quadro was Nvidia's brand for graphics cards intended for use in workstations running professional computer-aided design (CAD), computer-generated imagery (CGI), digital content creation (DCC) applications, scientific calculations and machine learning from 2000 to 2020.Īn NVIDIA Quadro K6000, released in 2013. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. Pixel rate is calculated by multiplying the number of ROPs by the clock speed of the card. Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. ![]() It is measured in millions of texels processed per second. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). This number is calculated by multiplying the total amount of texture units by the core speed of the chip. Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. It especially helps with AA, HDR and high resolutions. ![]() The better the card's memory bandwidth, the faster the card will be in general. In the case of DDR RAM, it must be multiplied by 2 again. It's calculated by multiplying the card's interface width by its memory clock speed. Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be moved across the external memory interface in one second.
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