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Weak power security interface: What is the difference between DP HDMI VGA DVI?
There are many types of interfaces to display. When choosing a host and a display, the interface type is a factor we need to consider. At present, the interface of the display has DP HDMI VGA DVI, and the shapes of these interfaces are also different. We are purchasing When the host is connected, it is generally considered whether the host's graphics card interface matches the display interface. For example, if your graphics card interface is HDMI+DP, and your monitor has only VGA interface, then it is awkward. I will tell you about the display interface today, I hope to help you!
The current public version of the graphics card will have HDMI and DP interfaces, but the general graphics card manufacturer will add a DVI interface on the graphics card, but at present we will also bring these three interfaces with the newly installed display interface, VGA currently It was eliminated, because VGA transmits analog signals. In addition to the different shapes, what are the big differences between these interfaces? From the perspective of interface performance, the performance of the display interface is DP>HDMI>DVI>VGA.
VGA interface
Among them, VGA is an analog signal, which has been eliminated by the mainstream. This is why we can see the other three interfaces on the new graphics card but can't see the VGA interface. DVI, HDMI and DP are digital signals, which is the current mainstream. . However, many of our old-fashioned monitors are still VGA connectors, so we often use an HDMI or other interface to VGA interface adapter.
DVI interface
DVI is a high-definition interface, but without audio, that is, DVI video wiring only transmits picture graphics signals, but does not transmit audio signals. However, the DVI interface also has many drawbacks: since it was originally designed for the PC side, it has reserved a lot of pins to support the simulation for poor compatibility with TV and only supports 8-bit RGB signal transmission and compatibility considerations. The device causes the interface to be bulky. At present, a better DVI interface can transmit 2K images, but it is basically the limit.
HDMI interface
HDMI can transmit high-definition graphics signals as well as audio signals. Generally speaking, the home will receive TV and has strong anti-interference. The current highest HDMI2.1 standard supports 8k 60Hz and 4k 120Hz with a resolution of up to 10K. It also supports high dynamic range HDR and increases bandwidth to 48Gbps.
DP interface
The DP interface is also a high-definition digital display interface standard that can be connected to a computer and monitor, or to a computer and home theater. The DP interface can be understood as an enhanced version of HDMI, which is more powerful in terms of audio and video transmission. In the current situation, there is not much difference in performance between DP and HDMI. If you use 3840*2160 resolution (4K), HDMI can only transmit 30 frames due to insufficient bandwidth, and DP has no problem.
Summary: The interface of the display is generally DP HDMI VGA DVI, of which VGA is the interface that has been eliminated, but a few low-end displays also have this interface. Most monitors are VGA+DVI dual interface, and also have VGA+HDMI dual interface. The DP interface can only be seen on a few high-end displays.
For the average user, as long as there is a DVI or HDMI interface on the display, the display of the DP interface is generally more expensive. If you are really demanding on the display quality, you can select the display of the DP interface.