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Difference between DVI and AGP

Difference between DVI and AGP

When it comes to video cards, there are a few different types of connections that you might come across. DVI and AGP are two of the most common types, but what’s the difference between them? In this blog post, we’ll take a look at the differences between DVI and AGP video cards, as well as which one is right for you. So without further ado, let’s get started!

What is DVI?

DVI is a digital video interface that is used to connect computers and displays. It is capable of carrying both digital and analog signals, and it is often used with High Definition televisions and monitors. DVI supports high resolutions and can be used with HDCP-encrypted content. There are three main types of DVI connectors: DVI-D, DVI-A, and DVI-I. DVI-D is used for digital connections, DVI-A is used for analog connections, and DVI-I can be used for both digital and analog connections. DVI cables are available in a variety of lengths, and they can be used with adapters to connect to other types of displays.

What is AGP?

AGP is an acronym that stands for Advanced Graphics Port. It is a high-speed point-to-point channel for attaching a video card to a computer system, primarily to assist in the acceleration of 3D computer graphics. It was originally developed by Intel in 1997 as a successor to PCI and was used on systems ranging from high-end servers and workstations to low-end integrated processor graphics chipsets. AGP introduces a dedicated pathway between the CPU and the graphics processor, rather than sharing the bus with other devices. This allows for much higher bandwidth than what is possible with PCI and also enables the graphics processor to directly access the main system memory. While AGP has been largely replaced by PCI Express in recent years, it remains a popular choice for some budget and mid-range systems.

Difference between DVI and AGP

  • When it comes to choosing a video connection for your computer, you may be wondering what the difference is between DVI and AGP. Both options offer high-quality video connections, but there are a few key differences to keep in mind.
  • DVI is a digital video connection that can carry both video and audio signals. It is typically used for connecting computers to monitors or TVs. AGP, on the other hand, is an analog video connection that is primarily used for connecting computers to graphics cards.
  • One of the main advantages of DVI over AGP is that it can carry a higher resolution signal. This means that you will get a clearer image with less noise when using a DVI connection.
  • Another difference between DVI and AGP is that DVI uses less power than AGP. This can be important if you are trying to conserve power or reduce heat output from your computer.
  • Finally, DVI connections are typically easier to find than AGP connections. Many computer manufacturers include a DVI port on their computers, while AGP ports are becoming increasingly rare.


If you’re in the market for a new graphics card and are trying to decide between DVI and AGP, we hope this article has been helpful. In short, DVI is better for high-resolution displays while AGP is better for gaming. Make sure to consider your needs when making your purchase decision.

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