BySteve Lowry 2018-08-23 14539
It refers to 640 x 480 resolution. Originally, VGA is not the specification of resolution, but a display standard of IBM computer. Because the highest resolution that official supports is 640 x 480, it becomes another name of VGA. Its important role lies in it is the reference resolution that all graphics compatible with. The picture displays before Windows loading the drives for the graphic card (after BIOS) is just the VGA resolution.
It refers to 800x 600 resolution, a standard put forward by VESA for IBM compatible PC. SVGA belongs to the substitute of VGA.
It refers to 1024x 768 resolution. This is a kind of LCD screen widely used by laptop nowadays. About 80% of laptops in market adopts XGA, which supports 1024 x 768 resolution. The screen size ranges from 10.4inch, 12.1inch, 13.3inch to 14.1 inch, 15.1inch.
It refers to 1400 x 1050 resolution. As an extension of SXGA, SXGA+ is a kind of screen designed specially for laptops. Since the horizontal and vertical dot pitch of laptop LCD screen differs from that of common desktop LCD screen, the display accuracy is much higher than common 17inch desktop.
It refers to 1600 x 1200 resolution.UXGA is also called UGA, its resolution is exactly 4 times of VGA. The biggest downside of this display is its high cost. At present, this kind of resolution is found application in 20inch LCD devices.
It refers to 2048 x 1536 resolution. Its resolution is right 4 times of XGA, and is also the limit of most 4:3 screen. Currently, Apple has released new iPad, iPad4 and New Macbook Pro, and these products has applied this technology in its retina screen. This screen technology makes the whole screen display effect reach a very high smooth degree.
WVGA means wide version VGA and has a resolution of 800 x 480. If the smarphone adopts this resolution, the human eyes will look like a piece of paper. In normal distance, user can not distinguish the single pixel, so this resolution can bring a better user experience.
WXGA means wide version XGA and has a resolution of 1280 x 800. WXGA adopts 16:10 aspect ratio to expand the screen size. Because of its 800 horizontal pixels, so this type of screen can be found application in 15-inch and 12.1-inch notebook.
It is an extension of WXGA and has a resolution of 1440 x 900. Its biggest display resolution is 1280 x 854. Its aspect ratio is 15:10 rather than 16:10, so only a small part of notebook with 15.2 inch adopts this technology.
It means wide-screen version SXGA+ and has a resolution of 1680 x 1050. Every pixel is 32 bit. This kind of resolution used in a wide-screen LCD with a 15.4-inch diagonal length.
It refers to 1920 x 1200 resolution. As the 4:3 aspect ratio in UXGA, WUXGA is very rare to be found. Its display resolution can reach up to 1920 x 1200. But rare notebook manufactures adopts this screen due to its high price.
It is an extension of QXGA with resolution of 2560 x 1600. This type of resolution is found in Nexus 10.
It refers to 960 x 540 resolution with 16:9 aspect ratio. It is just a quarter of full HD 1920 x 1080.
It refers to 1280 x 720 resolution and is also called half HD or standard HD. It is the lowest standard in HD. It can be called HD video only when it reaches up to 720P resolution.
It refers to 1920 x 1080 resolution and also called full HD. 1080P is a kind of video format. P here means progressive scan, which is different from interlaced scan in 1080I. And the number 1080 indicates there are 1080 scan lines vertically.
It refers to 2560 x 1440 resolution with its screen horizontal pixel up to more than 2000 pixel. The domestic projector in theater mainly adopts this kind of resolution, as well as many high-end smartphone screen.
It refers to 4096 x 2160 resolution. According to the range of application, 4K resolution has various of variants, for example, 4096 x 3112 in Full Aperture 4K, 3656 x 2664 in Academy 4K, and 3840 x 2160 in UHDTV, which all belongs to 4K resolution. Sony Xperia Z5 Premium is the first 4K resolution smartphone.
Refers to the concentration of pixels on a particular display, measured in pixels per inch (PPI). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size.
For human eyes, 300PPI is enough for us to see comfortably. Too high pixel density is prone to cause eyestrain and increase the burden of battery.
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