What is the difference between DVI and VGA?

Updated on number 2024-02-09
4 answers
  1. Anonymous users2024-02-05

    VGA is the most common display device** signal output interface, mainly connected to the display, generally blue, with 15 pins, also known as the D-Sub interface. DVI is mainly connected to LCD and other digital display devices, there are two kinds, one is DVI-D, which can only receive digital signals, and the other is DVI-I interface, which can be compatible with analog and digital signals at the same time, and can be connected to the VGA interface through the adapter.

    Resolution refers to the number of dots that can be displayed on the display, and the higher the resolution, the more detailed the image can be displayed on the screen. However, unlike CRT display, the LCD display is limited by its imaging principle, and the number of points in the vertical and horizontal directions of the LCD panel is fixed, and only when the image is displayed at this resolution, there will be no distortion, that is to say, the resolution of the LCD can not be adjusted arbitrarily, it is set and specified by the manufacturer.

  2. Anonymous users2024-02-04

    DVI interface.

    Standard signals are not one, but both analog and digital. At present, the signal of the graphics card with DVI interface is complete, that is, there are both digital signals and also.

    Analog signals. Whereas.

    VGA interface.

    It's just an analog signal.

    DVI to VGA

    It's just a change in the shape of the cable interface, and the signal is the same, the analog signal.

    Of course, it is different from the DVI interface to the DVI interface, because the DVI interface of the general display only has a digital signal input function, that is to say, the digital signal is generally used from the DVI interface to the DVI interface.

    In addition, the pin used for the analog signal of the DVI interface is the position of the 4 pins on a single side, and a copper plate is spaced in the middle.

  3. Anonymous users2024-02-03

    The DVI to VGA cable you bought is no more than 20 yuan! This conversion cable is DVI-I to VGA, without any circuit conversion.

    Since it can display the image and say that the interface of the card is DVI-I, it may be that the quality of the line is not good.

  4. Anonymous users2024-02-02

    Many people's computers and graphics cards have VGA and DVI interfaces, so what is the difference between these two interfaces?

    1. The appearance color is different, generally VGA is blue, DVI is white.

    2. The outline is different, the number of stitches in DVI is more than that of VGA, the most intuitive and prudent, DVI has stitches in addition to a small piece of iron next to it.

    3. Different uses, VGA belongs to analog signals, almost all the older generation display devices that can be seen support this, DVI belongs to digital signals, and now good LCD displays or projections support orange socks, and have been popularized.

    4. The strength of the function is different, the DVI interface is better, because the display signal of the computer is also digital, so if the LCD display also supports DVI, it will achieve the display effect without ZD loss, of course, this is just ideal, there will be more or less loss, but the loss is much less than VGA.

    5. The color performance is different, the color of VGA will be more vivid and bright, and the brightness and contrast of DVI will be higher, in general, they have their own strengths.

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