| Video standard | Full name | Description | Display resolution (pixels) | Aspect ratio | Color depth (2^bpp colors) |
| unnamed | unnamed | Various Apple Inc., Atari, Commodore PCs introduced from 1977 to 1982. They used TVs for their displays and typically included a 32×40 wide border in the overscan region of the television, with a usable space of only 320×200 or 160×200 or 80×200 (approximately). They used the non-interlaced (NI) mode to provide a stable image. The non-interlaced designation was dropped after all monitors were manufactured this way. | 352×240 NI (approximately) | 4:3 | 8 or 16 colors typical. |
| unnamed | unnamed | Commodore Amiga,Atari ST and others. They used NTSC or PAL-compliant RGB component displays or televisions. The interlaced (I) mode produced visible flickering. | 704×480 I (approximately) | 4:3 | 16 for ST or 4096 for Amiga (~256,000 for Amiga 4000). |
| MDA | Monochrome Display Adapter | The original standard on IBM PCs and IBM PC XTs with 4 KB video RAM.Introduced in 1981 by IBM. Supports text mode only. | 720×350 (text) | 72:35 | 1 bpp |
| CGA | Color Graphics Adapter | Introduced in 1981 by IBM, as the first color display standard for the IBM PC. The standard CGA graphics cards were equipped with 16 KB video RAM. | 640×200 (128k)
320×200 (64k)
160×200 (32k) | 16:5
16:10
4:5 | 1 bpp
2 bpp
4 bpp |
| Hercules |
| A monochrome display capable of sharp text and graphics for its time of introduction. Very popular with the Lotus 1-2-3 spreadsheet, which was one of the PC's first killer apps. Introduced in 1982. | 720×348 (250.5k) | 60:29 | 1 bpp |
| EGA | Enhanced Graphics Adapter | Introduced in 1984 by IBM. A resolution of 640×350 pixels of 16 different colors (4 bits per pixel, or bpp), selectable from a 64-color palette (2 bits per each of red-green-blue). | 640×350 (224k) | 64:35 | 4 bpp |
| Professional Graphics Controller |
| With on-board 2D and 3D acceleration introduced in 1984 for the 8-bit PC-bus, intended for CAD applications, a triple-board display adapter with built-in processor, and displaying video with a 60 Hz frame rate. | 640×480 (307k) | 4:3 | 8 bpp |
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