A graphics card is an adapter used to display visual data with clarity and definition. While certain CPU's may come preinstalled with integrated graphics adapters, negating the need for a dedicated graphics unit for some, it goes without saying that graphics cards are much more efficient at processing graphical data. They also offload graphics processing tasks from the CPU and RAM allowing for increased efficiency to do their tasks. They typically include a variety of expansion ports such as HDMI, USB, AGP, TV and multi monitor support.
Graphics cards are sought after for a range of reasons. They're the key component for people who wish to have the required hardware to play modern video games, or for those who's career involves rendering and a heavy computer workload. Their uses are very versatile and is the reason for such high demands in the marketplace.
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