Graphics Card Buying Guide

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Graphics Card Buying Guide

A graphics card generates the images that are displayed on the computer monitor, reducing the load on the processor, which would otherwise carry out this function. Although many modern computers use integrated graphics chips to handle images, users can obtain much better video performance by adding a dedicated graphics card.

A good graphics card is extremely important for gamers and people who frequently watch high-definition videos. Fortunately, the cards are generally quite easy to upgrade. Finding the right graphics card on eBay is perhaps the most important part of upgrading this computer component, and these tips that can help buyers choose the correct card.


How to Choose the Right Type of Graphics Card

There are three different types of graphics card connections on computers, each of which takes a different type of card. Very old computers might have a PCI connector, which looks like a white slot on the back of the computer. Most newer computers will have either an AGP slot, which is brown with a white clip to lock the card in position, or a pink PCI express slot. When purchasing a graphics card, it is important to verify that the one that the buyer chooses actually fits the connector.


Which Graphics Card Manufacturer?

The two main manufacturers of graphics cards are AMD and NVIDIA. Although it is not essential to purchase a graphics card from the supplier that manufactured the computer's original graphics card, doing so could reduce the risk of driver compatibility problems when the card is replaced. Both AMD and Nvidia offer a variety of graphics cards. Buyers' choices range from affordable options to the latest in high-performance technology.


Output Interfaces of Graphics Cards

Graphics cards use various formats to produce signals, including VGA (video graphics array), DVI (digital video interface), DisplayPort or HDMI (high-definition multimedia interface). Only HDMI and DisplayPort connections transmit audio signals and visual image data. Buyers choose output types by determining which input is compatible with their monitors. Many graphics cards offer more than one type of output, which allows them to be used with a variety of computer monitors.


How Much Memory Should a Graphics Card Have?

The greater the memory capacity of a graphics card, the greater its ability to handle complex graphics. Graphics cards with additional memory can be more expensive, but offer better performance in very high-demand applications, such as handling 3D graphics in gaming. The memory capacity of a graphics card cannot be used by the main computer processor, which means that there is little benefit to buying a graphics card with lots of memory unless the card will be used to handle graphics from the latest games.

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