The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate. 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 amount of Render Output Units by the clock speed of the card. Pixel Rate: Pixel rate is the maximum number of pixels the graphics 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 processed in a second.
The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). This is calculated by multiplying the total texture units by the core clock speed of the chip. Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device. This device has no display connectivity, as it is not designed to have monitors connected to it.
It especially helps with anti-aliasing, HDR and higher screen resolutions. Being a mxm module card, the NVIDIA GeForce 940MX does not require any additional power connector, its power draw is rated at 23 W maximum. The higher the bandwidth is, the better the card will be in general. If the card has DDR RAM, the result should be multiplied by 2 once again. It's worked out by multiplying the card's bus width by its memory speed. Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred across the external memory interface in one second.
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