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Graphics Cards


Graphics Cards: Buying Guide

Graphics cards of the correct specification are essential for the performance of games, movies and other graphics-intensive operations that people use their computers for. This article contains a low-down on graphics cards and several tips on what you need to look for when buying one.

Graphics cards are responsible for generating images to be outputted to the monitor. As more and more computers are used for watching high definition movies and advanced gaming, the demands on graphics cards have grown exponentially.

Gaming graphics cards
Having the most powerful graphics cards is often essential if you want to enjoy the latest games and high definition content available. Modern graphics cards will have the following components mounted on a printed circuit board: Graphics Processing Unit, firmware and video memory.

Function of GPUs
GPUs are dedicated processors responsible for accelerating graphics and the generation of 3D and 2D images. GPUs may include RAMDACs which convert digital signals to analog ones for use by analog computer displays. Modern GPUs are highly sophisticated and rival CPUs in terms of processing power. The firmware or video bios are the programs that control the card’s operation.

Video graphics cards
Video memory is the multi-port memory that the GPU and display devices require. It ranges from 128MB to 4GB. While older graphics cards had VGA connectors, newer ones use digital visual interfaces to link with the display unit.

In addition, graphics cards may have S-Video, Composite video and Component video connections.

A more advanced connection is the High-Definition Multimedia Interface (HDMI) which offers better quality transfer of data. Cheap graphics cards may be integrated into the motherboard, but they tend to have limited memory and use part of the system's RAM. These integrated graphics are low performance and unable to meet the needs of more demanding applications such as 3D generation.

Solution

A dedicated graphics card will offer much better performance as it has its own processor and RAM, allowing it to operate without burdening the CPU. However, graphics cards generate a lot of heat as a result of the electricity they use. Heat sinks and computer fans must be used in order to dissipate the heat which may otherwise damage the graphics card.

If you want to play the latest games and enjoy Blu-ray movies, remember to buy a high specification graphics card for your computer.

 
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AMD Graphics Cards
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AMD Graphics Cards
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AMD Graphics Cards
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AMD Graphics Cards
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Gigabyte Graphics Cards
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Zotac Graphics Cards
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AMD Graphics Cards
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nVidia Graphics Cards
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Asus Graphics Cards
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nVidia Graphics Cards
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Asus Graphics Cards
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nVidia Graphics Cards
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AMD Graphics Cards
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nVidia Graphics Cards
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Palit Graphics Cards
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Sapphire Graphics Cards
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