Difference between VGA and DVI

VGA and DVI are a connector type that is used to transmit video from a source to a display device like a monitor or projector. The main difference between VGA and DVI is in picture quality and the way the video signal level. So here this article gives the what is difference between VGA and DVI to better understand this topic.

What is VGA?

VGA stands for Video graphic array, it is considered an old school technology. It is one of the oldest connection standards found on the market today. It was first created by IBM and introduced to the world in the year od 1987. It was commonly used for video cards, computer monitors, TV sets, and laptops.

What is DVI?

DVI stands for digital visual interface and it offers a distinctly sharper, better picture than VGA. It is a unique connector because it can carry both digital and analog signals. DVI can also easily converts to other standards like HDMI and VGA.

Difference between VGA and DVI:


  • VGA stands for video graphics array, while DVI stands for the digital visual interface.
  • In picture quality of the VGA connector to be degraded from digital to analog conversion and it will back and due to the analog signal being susceptible to noise, The maximum resolution claim for a VGA connector is 2053 * 1536. While in DVI is a cleaner, faster, and more precise display with hardware that supports DVI.
  • VGA has not hot-pluggable, RGB analog video signal, 15 pins, while in DVI is a hot-pluggable, external, digital video signal, 29 pins.
  • The compatibility of VGA to DVI and VGA to HDMI converters available, While in  DVI can convert to other standards like HDMI and VGAs.
  • VGA is analog form, DVI is their types of cable DVI-A analog-only while in  DVI-D digital-only and DVI-I digital and analog both.
  • VGA and DVI have no audio signal, both require a separate audio cable.

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