After several years of development, the 1080p desktop monitor has long been a problem, and 2K and 4K products are everywhere. Many users are eager to try and upgrade the monitor with a computer upgrade to improve the visual experience. However, during the upgrade process, users often face difficulties in selecting various interfaces. With a clearer 2K and 4K display, what size line should I use?
Do you understand the different features of different interfaces?
Currently, the main connection interfaces of PCs and monitors include DP, HDMI, DVI, and VGA. If the desktop is provided with a single display, then the DP interface, HDMI interface, and DVI interface are the more commonly used three interfaces. If you are using an external notebook monitor, then the laptop usually provides the interface is HDMI interface, a few notebooks can provide DP interface. So overall, the HDMI interface seems to be the interface most commonly used by PCs to connect to monitors, so let's talk about HDMI first.
New HDMI Interface Supports 60-Frame 4K Evolution Easiest to Buy
HDMI interface, also known as high-definition interface. It is a digital interface that can transmit video signals and audio signals at the same time. Compared with the traditional VGA interface, HDMI has a larger bandwidth, so it can support the digital transmission of video and audio signals. Theoretically, it is of higher quality than analog signals. , especially in the transmission of color widths. In terms of resolution performance, the new 1.4 version of HDMI and the 2.0 version that is not yet universally support 4K resolution, while the latter can achieve 60 frames in terms of the number of frames.
However, the HDMI interface is not static, and the HDMI interface has undergone almost 10 evolutions. From the very beginning, the 1.1 version only supports 1600×1200 resolution, and today the HDMI 2.0 support achieves 4K resolution. The middle version is often unclear. The versions include 1.1, 1.3, 1.4, 2.0, etc. The number and function of the pins of the cable also change frequently. So for the vast majority of consumers, if you consider buying an HDMI cable that connects to a monitor, it's hard to know what version of the product the cable is for. Sell ​​the old cable, maybe it can only support your 1080p HD output, but it can not support more advanced 2K, 4K resolution. So the HDMI cable is actually the most confusing, it is the consumer is most likely to buy the wrong when matching.
Dual channel DVI interface supports 2K selection
The DVI cable was introduced in 1999. It was revolutionary and it now appears to be lagging behind in several mainstream interfaces. The DVI interface is capable of supporting 1080p or 2K resolution display output. According to the DVI specific interface type, DVI is also divided into single-channel digital interface DVI-D and digital/analog interface DVI-I. This is four kinds of changes. This change is reflected in the pin design of the interface, you can visually observe their differences with the naked eye. The DVI-D is a digital interface, so it is not compatible with analog signals, so it cannot be switched to VGA, while DVI-I has both digital and analog functions and can be converted to VGA interface output.
In general, DVI has four specifications: DVI-I single channel, DVI-I dual channel, DVI-D single channel, and DVI-I dual channel. Only the dual-channel type can support 2560×1600 2K resolution, and the single channel can only support 1080p. And DVI-I can be converted to VGA, DVI-D can not be converted. Ordinary consumers will certainly not be able to remember these specific specifications and pin types in particular, so matching and selection should be very laborious.
VGA is not so unbearable you think the maximum support 2048×1536
Speaking of the launch of the VGA interface was in 1987. It may be that some of the users of the computer were not born yet. Because the bandwidth is very narrow, and only supports the analog signal, so at present the graphics card has not been equipped with VGA interface, it is generally only kept on the computer motherboard, or for the convenience of notebook external projector and reserved.
It may be that many small partners sneak at the VGA cable and think that the VGA cable has been a thing of the past. In actuality, it is still a standard configuration of the projector, and many notebooks will be supported for convenience. But indeed the VGA interface has gradually been replaced by other interfaces except for some special conditions, but I would say that the VGA interface is not as weak as you have always thought.
The VGA interface only supports 640×480 resolution at first. After several upgrades and expansions, the fully-swappable VGA cable can support a maximum resolution of 2048×1536. However, in theory, VGA is an analog signal and its color performance is inferior to HDMI and DVI. But the friends who took over the 1080p monitor must all know that because of the bottleneck of color display on most LCD panels, there is no problem with resolution matching when connecting VGA, DVI and HDMI. What is the difference in the color of the monitor? So if your monitor is only 1080p mainstream resolution, and you just don't have more advanced lines, then you don't need to buy another one. The VGA cable is a cheap and easy solution.
DP support 8K 60Hz is the most preferred retail price and the most expensive
DP is the abbreviation of DisplayPort, and miniDP is also a variant of DP. Its biggest advantage is its large bandwidth. The first generation of DP1.1 has already reached 10.8Gb/s bandwidth. And just in the past February, DP1.4 has been released, and its maximum resolution has been able to support the 8K level of 7680×4320.
In addition, the DP interface also supports optimization functions that cannot be achieved by some other interfaces. For example, a 4K monitor with an ultra-high refresh rate can only be used to get the most out of the DP line. Large Bandwidth In terms of the display output of a PC, DP is definitely the best choice. It not only can meet your current display needs, but also can provide future needs.
However, in fact, DP also changed from 1.1 experience to 1.4 version, bandwidth increased significantly, support also jumped from 2K to 8K, so the more new it is better, when you buy it, you have to pay special attention to Caixing, of course, if your graphics card Provides a smaller and more space-saving miniDP interface that you can also consider.
Give the consumer a few useful tips:
1. If you purchased a new monitor and you don't know what line to use, then you'd better choose the original line provided in the package. Some high-end displays may be directly attached to the DP line. Because the original line will generally guarantee at least the maximum performance of the product, you sell a 4K monitor, but only provide the DVI line. This kind of insulting intelligence business is estimated that no manufacturer can do it. !
2, if you change the monitor, but there is no line at hand, be sure to buy a line, then I suggest that you first look at the monitor's specific specifications, evaluate your own use plan and then buy the line. For example your monitor is 4K, but when you buy a DVI cable, obviously it doesn't match. For another example, if your monitor is only 1080p, you do not necessarily need to buy the latest DP line. A good quality VGA installed on your computer can easily solve your problem.
3, you really need to buy the line, then you must carefully look at the specific version of the line. If you are a 4K monitor, then you only have to select a new version of the HDMI cable and DP line to support it. If you are a 2K monitor (usually 2560 × 1600), then DVI dual channel, HDMI1.3 above, DP line combination costs can be considered.
4, if you buy the line, then we must pick the brand line, even if a few dollars. Because only the guaranteed line will not make any shortcomings on the pins and cores, affecting your actual use.
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