VGA cable: What is the best in 2022?
home of the most complete and interesting product reviews! We always hope to transmit content and information to you. And speaking of transmission, today we will talk about VGA cables.
Computer accessories used for image transmission, these cables have been used for decades. It fell as high definition technology was developed. Still, a lot of equipment maintains this type of entrance.
You probably have televisions at home, maybe even projectors. And they can have a VGA input. And that means that they can transmit the image received from a computer. Interested in finding out more? Stay with us to know everything about the subject!
First, the most important
- VGA cables come from an older standard of technology, where there is a need for “input” and “output” in different formats. It is common to use terms like “male” and “female”, identifying the connection points.
- A VGA connection is an analog connection method. It is greatly affected by cable quality, external interference (even blender), and output signal.
- As it derives from older technology, although renewed, it has a limit considered maximum for resolution. This value is slightly lower than Full HD (1,680 x 1,050).
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Ranking: The 3 best VGA + bonus cables
Although they all look the same, VGA cables can differ from each other with regard to size and other specifications. We have prepared a list with some of the best models available on the market.
Despite being much less used today than they were a few years ago, VGA cables are still important in the world of technology and video. They all look the same, but there are differences that you need to take into account when buying yours.
Check out what they are in this Buying Guide.
VGA cable: What are its use and application?
Let’s start at the beginning. VGA is the acronym for “Video Graphics Array”, an analog connection cable (we’ll talk a little more about it) that was intended to connect the CPU to the monitor. From then on, it started to integrate equipment such as televisions and projectors, anything capable of reproducing images. Widely used since the 90s, it became popular in such a way that it is still manufactured around the world today.
Are you going to say that you never noticed an entrance “full of dots on a blue background” behind your television? Or a projector? Who never noticed the thick cables with rectangular ends and blue background?
Let’s identify? Observe the equipment you are using (ignore smartphones, a VGA would not fit). If your connector has small screws next to the connector, rotatable with your fingers … If you have fifteen holes or fifteen dots in three lines of five, congratulations! You have a VGA.
But this is not bad! Technology has evolved over time, and the transmission capacity of VGA today allows even high definition resolution. In addition, they are found in lengths ranging from a simple unit to tens of meters.
For about 20 years, this transmission standard has reigned supreme on the market. Until digital technologies, with other standards, took the place of VGA with new acronyms like DVI and HDMI.
Still, the VGA standard can be found on many devices, making it necessary to keep a VGA cable close at hand. Especially because there are adapters of the current technology for this one. No problems, just solutions.
How does a VGA cable work?
Equipped with a very differentiated characteristic, VGA cables can have two types of connection: “male” and “female”. This is due to the fitting structure, full of thin pins that need to fit perfectly. For this reason, one end of the socket will have the pins, being called a male. The fitting location, a protruding part with holes in the same number of pins, is called a female.
In total there are 15 connectors (or pins). And each of them has a different function. The first pin serves to transfer one color, the second and the third to another. The information goes to all 15.
Therefore, when one of them is damaged, something will be lost in the image, or it will not form. It is important to be very careful with the male ends, protecting it well. Likewise, because it is an analog transmission cable (the signal needs to be interpreted), the quality of the cable, the pins, and magnetic interference can impair it.
A VGA cable usually has two equal ends, and usually male. Likewise, there are VGA connection adapters for more current ones, such as HDMI or DVI.
The connector was so well accepted in the market, that practically all video equipment started to have a VGA input. This measure favored the use of it in connection with a computer or notebook.
Even today, some products continue to be manufactured with this type of input, for VGA cables. The goal is to continue being compatible with other equipment already on the market and at the consumer’s home.
However, due to the characteristics of the analog signal and the image transmission, each device may show a different image. Brands or models may differ in resolution, color, and response time. But this is not about VGA, but about the “native” capability of the product.
Does a VGA cable transmit images of any definition?
If we didn’t clarify it well for you, now we will leave it in high definition. A VGA cable is an image transmission standard. And he is not the only one. Currently, transmission technologies such as DVI and HDMI have replaced VGA in practically all “top of the line” equipment. And it is not without reason. For a long time, the VGA standard was able to keep up with technological developments. Until mid-2000, precisely when other technologies were launched.
Digital and with greater sending potential, these technologies allow when using resolutions that surpass Full HD (1920 x 1080 pixels) and do not suffer interference as much as the VGA cable in the transmission.
We could even put a comparative table, but the truth is this: The VGA standard is doomed to deactivation, it is only a matter of time. When the last product using this format goes down, it will be extinguished.
However, that day still seems a little distant. There are still millions of people using VGA connections worldwide. For these cases, it is good to have your VGA cable at home. Are we going to buy the VGA connection from the more modern ones?
VGA converters: What are they and what are they for?
Long time on the market. Quality product and quite popular. Of course, he would not simply be left out. VGA standard adapters for newer ones still continue to allow the product to survive. Thus, having a VGA cable and only one device with VGA output or input is not a problem. With a specific adapter, you can connect this cable to other technologies.
This will not transform the signal, improving it or anything, it will only make it interpretable for that equipment. If it is of low quality, it will continue to be, and the opposite is also true.
The most common converters are VGA to HDMI (the USB-like cables, very popular), and VGA to DVI. The latter, a pattern of spikes and males and females much like his older cousin.
This is an older technology, and widespread in the world. For this reason, you can find VGA cables at prices below R $ 20. Much smaller amounts than other cables with more current technology. And even so, depending on the use, the recommendation is to stay on the VGA, for the cost-benefit ratio.
You will also find products with values well above this, due to some specification. Signal “noise reduction”, gold-plated connectors. These improvements can cause the product to exceed one hundred reais.
Where to buy?
This type of equipment is quite common, and the technology is already well-marketed. Certainly, in any electronics store, it can be found, as well as in department stores. A computer store will help you mainly with adapters, if you need them, or even with the Y connection.
An always interesting option is research and acquisition over the internet. You can choose from reputable stores like Amazon, which will deliver to the convenience of your home, after choosing the right product.
Purchasing criteria: What to consider when choosing a VGA cable?
As much as it is just a cable for transmitting images, there are some tips that can be useful for your purchase. Not all cables have the same technology or have the same “accessories”.
If you’ve made it this far, let’s give you the latest tips on what you should pay attention to before purchasing a VGA cable:
Check what should be taken into account in each of these items:
Thanks to the equipment’s analog technology, a VGA cable tends to suffer signal losses. This is more significant depending on the length of the cable.
This means, therefore, that there is a rate of loss by length, which increases proportionally. Therefore, if you intend to make close connections, it is a mistake to purchase a long cable.
Even if the cable is coiled, the signal will need to travel the entire length and may suffer some losses. Perhaps not very significant, but it will not be able to transmit to its full potential.
But, if you need to connect a video input and output very distant, there are VGA cables up to 50 meters long.
You should know that each material has a “transmission” resistance. When we talk about transmitting, we are basically talking about an electric current over a metallic material.
Different metals have different resistances for transmitting “energy” / “data”. For example, gold is one of the most receptive metals, due to its low resistance. But the high price prevents this type of manufacturing. Therefore, manufacturers go to other materials, such as copper.
However, there are VGA cables with gold-plated connectors, ensuring a better signal transmission ratio. It is worth remembering that such measures allow a small increase, which may or may not be significant, depending on the need for use. You should know exactly what you need before making any purchases.
You can find the ends of the VGA cable coated or not. Usually, the connector part is made of metal. It is very common that this part receives a rubberized coating, in different colors, black and blue being the most common.
However, some models of this cable do not receive this coating, leaving this metal part exposed. But don’t worry, it is completely safe. It is up to you to choose the type that most appeals to you and offers comfort.
Another point to note is whether the VGA cable is shielded or not. The shields, generally more expensive because they offer a higher quality, are indicated for LCD, LED or plasma monitors.
Because they have a different system that protects the wires from possible interference, the shielded VGA cable guarantees a much better image and sound quality.
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