640 x 480

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640 x 480

‘640 x 480’ refers to a screen resolution, where the display has a width of 640 pixels and a height of 480 pixels. This resolution was once commonly used in early computer monitors and is still used in some applications.

What does 640 x 480 Mean?

640 x 480 is a video display resolution denoting a width of 640 pixels and a height of 480 pixels. It is also known as VGA (Video Graphics Array). This resolution became popular in the early days of personal computing due to its widespread adoption by IBM’s personal computer (PC) and compatible systems.

The resolution 640 x 480 offers 307,200 pixels, allowing for a reasonable Level of Detail and visual clarity. It was considered a significant improvement over the lower-resolution CGA (Color Graphics Adapter) standard, which offered only 320 x 200 pixels.

The 4:3 aspect ratio of 640 x 480 aligns with the traditional aspect ratio of television and video content, making it suitable for displaying standard-definition video. This resolution became widely adopted by early video game consoles, further solidifying its place in entertainment and gaming.

Applications

640 x 480 played a crucial role in the development of early computer technology and remains relevant in various applications today:

  • Early Personal Computing: 640 x 480 was the standard resolution for IBM PCs and their clones, making it the dominant display resolution for Windows 1.0 and early versions of DOS.
  • Video Gaming: The resolution was widely used by early video game consoles such as the Nintendo Entertainment System (NES), Super Nintendo Entertainment System (SNES), and Sega Genesis, allowing for more detailed graphics and gameplay.
  • Standard-Definition Video: 640 x 480 remains a common resolution for standard-definition video content, such as DVDs and certain cable and satellite TV broadcasts.

History

The 640 x 480 resolution emerged in the late 1980s as part of the VGA graphics standard developed by IBM. This standard defined a set of graphical capabilities, including a maximum resolution of 640 x 480 pixels with a color depth of 16 colors.

The adoption of VGA by IBM and its widespread use in PCs led to the dominance of 640 x 480 as the standard display resolution for early personal computers. As technology advanced, higher resolutions such as SVGA (800 x 600) and XGA (1024 x 768) emerged, but 640 x 480 continued to BE used in legacy applications and video games.

While higher resolutions have largely replaced 640 x 480 for mainstream computing, it remains relevant in certain applications, such as retro gaming and emulation, where it is used to maintain the original aspect ratio and graphical style of classic games.