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Nvidia NVENC (short for Nvidia Encoder) [1] is a feature in Nvidia graphics cards that performs video encoding, offloading this compute-intensive task from the CPU to a dedicated part of the GPU. It was introduced with the Kepler -based GeForce 600 series in March 2012 (GT 610, GT620 and GT630 is Fermi Architecture).
Originally used for the GeForce line of graphics cards, it is a multi-GPU technology that uses two or more video cards to produce a single output. SLI can improve Frame Rendering and FSAA . [ 9 ] [ 10 ] Quadro SLI supports Mosaic technology for multiple displays using two cards in parallel and up to 8 possible monitors. [ 11 ]
Nvidia NVDEC (formerly known as NVCUVID [1]) is a feature in its graphics cards that performs video decoding, offloading this compute-intensive task from the CPU. [2] NVDEC is a successor of PureVideo and is available in Kepler and later Nvidia GPUs. It is accompanied by NVENC for video encoding in Nvidia's Video Codec SDK. [2]
Core config – The layout of the graphics pipeline, in terms of functional units. Over time the number, type, and variety of functional units in the GPU core has changed significantly; before each section in the list there is an explanation as to what functional units are present in each generation of processors.
It connects to the host PC via a small form factor PCI Express card connected to the host, and a 2-meter (6.6-foot) Nvidia Quadro Plex Interconnect Cable. The system is housed in an external case that is approximately 9.49 inches in height, 5.94 inches in width, and 20.55 inches in depth and weighs about 19 pounds.
Nvidia also sells PureVideo decoder software which can be used with media players which use DirectShow. Systems with dual GPU's either need to configure the codec or run the application on the Nvidia GPU to utilize PureVideo. Media players which use LAV, ffdshow or Microsoft Media Foundation codecs are able to utilize PureVideo capabilities.
It is less often used for transcoding like that performed by HandBrake because its compression efficiency can rarely match that of an optimized software encoder for the same codec, [7] but HandBrake still provides the owners of compatible hardware (who are willing to accept the tradeoff) with the option of hardware encoding.