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