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Computer Display Standards (courtesy of wikipedia.org)
Computer Standard Resolution Display Aspect Ratio Pixels
VIC-II multicolor, IBM PCjr 16-color 160×200 4:5 32,000
TMS9918, ZX Spectrum 256×192 4:3 49,152
CGA 4-color, Atari ST 16 color, VIC-II HiRes, Amiga OCS NTSC LowRes 320×200 16:10 64,000
QVGA 320×240 4:3 76,800
Acorn BBC 40 column modes 320×256 5:4 76,800
Amiga OCS PAL LowRes 320×256 5:4 76,800
Black & white Macintosh (9") 512×342 3:2 175,104
Macintosh LC (12")/Color Classic 512×384 4:3 196,608
Atari ST 4 color, CGA mono, Amiga OCS NTSC HiRes 640×200 16:5 128,000
Acorn BBC 80 column modes 640×256 5:4 163,840
Amiga OCS PAL HiRes 640×256 5:2 163,840
EGA 640×350 64:35 (approx. 9:5) 224,000
Atari ST mono, Amiga OCS NTSC interlaced 640×400 16:10 256,000
VGA and MCGA 640×480 4:3 307,200
Amiga OCS PAL interlaced 640×512 5:4 327,680
HGC 720×348 60:29 (approx. 2:1) 250,560
MDA 720×350 72:35 (approx. 2:1) 252,000
Apple Lisa 720×360 2:1 259,200
WGA or WVGA 800×480 5:3 384,000
SVGA 800×600 4:3 480,000
XGA 1024×768 4:3 786,432
NeXTcube 1120×832 35:26 (approx. 4:3) 931,840
XGA+ 1152×864 4:3 995,328
Sun 1152×900 32:25 (approx. 4:3) 1,036,800
SXGA 1280×1024 5:4 1,310,720
WXGA1 1280×800 16:10 1,024,000
??XGA 1366×768 16:9 1,049,088
WSXGA or WXGA+ 1440×900 16:10 1,296,000
SXGA+ 1400×1050 4:3 1,470,000
WSXGA 1600×1024 25:16 1,638,400
WSXGA+ 1680×1050 16:10 1,764,000
UXGA 1600×1200 4:3 1,920,000
WUXGA 1920×1200 16:10 2,304,000
QXGA 2048×1536 4:3 3,145,728
WQXGA 2560×1600 16:10 4,096,000
QSXGA 2560×2048 5:4 5,242,880
WQSXGA 3200×2048 25:16 6,553,600
QUXGA 3200×2400 4:3 7,680,000
WQUXGA 3840×2400 16:10 9,216,000
HSXGA 5120×4096 5:4 20,971,520
WHSXGA 6400×4096 25:16 26,214,400
HUXGA 6400×4800 4:3 30,720,000
WHUXGA 7680×4800 16:10 36,864,000

Note 1: WXGA defines a range of resolutions with widths of 1280 to 1366 pixels and heights of 720 to 800 pixels.

(listed most recent on top)

  • 16:10
    • QUXGA-Wide
      Widescreen Quad Ultra XGA: 3840 × 2400, with a 16:10 aspect ratio. Also known as WQUXGA. This resolution generally requires 2 DVI connections between the monitor and graphics card.
    • WUXGA
      Widescreen Ultra XGA: 1920 × 1200, with a 16:10 aspect ratio.
    • WSXGA+
      Widescreen Super XGA+: 1680 × 1050, with a 16:10 aspect ratio.
    • WXGA+
      Widescreen XGA+: 1440 × 900, with a 16:10 aspect ratio. WXGA+ can also refer to 1200 × 854, which is a 3:2 aspect ratio.
    • WXGA
      Widescreen XGA: can refer to 1440 × 900 or 1280 × 800, both with a 16:10 aspect ratio, or to 1280 × 768 with a 5:3 aspect ratio.
  • 16:9
    • 1080i/1080p
      HDTV resolutions that some monitors accept, they are 1920 × 1080 pixels with a 16:9 aspect ratio. The resolutions are used with interlaced (1080i) or progressively-scanned (1080p) video.
    • 720i/720p
      HDTV resolutions of 1280 × 720 and aspect ratio 16:9, either interlaced (720i) or progressively-scanned (720p). These resolutions work with many multisync SXGA displays, though the video will appear horizontally squeezed if the vertical range of the scan beam is not changed.
  • 4:3 (Displayed aspect ratio. Some standards utilize non-square pixels)
    • QUXGA
      Quad Ultra XGA: 3200 × 2400 pixels. This resolution generally requires 2 DVI connections between the monitor and graphics card.
    • QXGA
      Quad XGA, quad meaning four, so the display has four times the pixel amount of XGA, with 2048 × 1536 pixels. Also called Super Ultra XGA (SUXGA).
    • UXGA
      Ultra XGA, a de facto standard with a resolution of 1600 × 1200 with 32 bit pixels, true color.
    • SXGA+
      Super XGA+, 1400 × 1050.
    • SXGA
      Super XGA, a de facto standard with a resolution of 1280 × 1024 with 32 bit pixels, true color. This is an unusual resolution because the numbers work out for a 5:4 display rather than a 4:3 one, so many images appear wider on SXGA displays than most other resolutions. The resolution probably should have been 1280 × 960 (a popular standard resolution for Unix workstations).
    • XGA+
      XGA+, 1152 × 864.
    • XGA
      Extended Graphics Array is an IBM display standard introduced in 1990. XGA supports a resolution of 1024×768 pixels with a palette of 256 colors (8 bits per pixel), or 640×480 with high color (16 bits per pixel). XGA-2 added 1024 × 768 support for high color and higher refresh rates, improved performance, and supports 1360 × 1024 in 16 colors (4 bits per pixel).
      • 8514
        Precursor to XGA and released about the same time as VGA. 8514/A cards had a maximum resolution of 1024 × 768 with 256 colors (8 bits per pixel), interlaced at 43.5 Hz.
    • SVGA
      Super VGA, a video display standard created by VESA for IBM PC compatible personal computers. The resolution is 800 × 600 4-bit pixels. Each pixel can therefore be one of 16 colors.
    • VGA
      Video Graphics Array is actually a set of different resolutions, but is most commonly used today to refer to 640 × 480 pixel displays with 16 colors (4 bits per pixel) and a 4:3 aspect ratio. Other display modes are also defined as VGA, such as 320 × 200 at 256 colors (8 bits per pixel) and a text mode with 720 × 400 pixels. VGA displays and adapters are generally capable of Mode X graphics.
      • MCGA
        Multicolor Graphics Array. Precursor to VGA, MCGA introduced a 256 color (from a 262,144 color palette) mode, and a 640x480 resolution mode. However, whereas VGA had 256k of video memory, MCGA only had 64k, and was limited to black and white at 640x480 and limited to 320x200 for 256 color operation.
    • QVGA
      Quarter VGA
    • EGA
      Enhanced Graphics Adapter, with a resolution of 640 × 350 pixels of 16 different colors (8 bits per pixel) selectable from a 64-color palette (10 bits per palette item).
    • CGA
      Color Graphics Adapter, developed in 1981, IBM's first color graphics card for IBM PCs. CGA can display 80 × 25 or 40 × 25 text in 16 colors (4 bits per pixel), 640 × 200 pixels graphics in 2 colors (1 bit per pixel) or 320 × 200 in 4 colors (2 bits per pixel) (IBM PC video modes 0-6).
    • Hercules
      a monochrome display with a resolution of 720 × 348, capable of sharp text and graphics. Very popular with the Lotus 1-2-3 spreadsheet, which was the PC's first killer app.
    • MDA
      Monochrome Display Adapter, the original standard on IBM PCs and IBM PC XTs. Supports text mode only at 720 × 350 pixels.