![]() ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. It is measured in millions of texels in a second. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). This is calculated by multiplying the total texture units by the core speed of the chip. Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. It especially helps with anti-aliasing, HDR and higher screen resolutions. ![]() The better the memory bandwidth, the faster the card will be in general. In the case of DDR type RAM, the result should be multiplied by 2 once again. It is calculated by multiplying the card's bus width by the speed of its memory. Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transported past the external memory interface in one second. ![]()
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