Graphics cards have VGA connectors
In the following pictures we got the relative size ratio. This will give you a better idea of the different connection types.
VGA: The VGA connection is often referred to as a D-Sub. Whereby D-Sub is an umbrella term for the design of such a connection. It is currently the oldest among the graphics card connections. And although attempts have been made to replace it with newer connection types for years, it can still be found on over 25% of all graphics cards and on over 80% of all monitors (as of 2016). It supports resolutions up to 2048 × 1536 (theoretically also higher) and is therefore still up-to-date. Therefore, it should probably remain with us in the future.
The VGA is an analog connection. This means that the longer the cable between the monitor and the computer, the worse the picture quality. If you are therefore dissatisfied with the resulting quality, we recommend using a shorter and / or higher quality cable for VGA. Alternatively, you can also choose a more modern connection type, which then transmits the image information digitally. Because at distances between 5-15 meters, these can guarantee not only better picture quality but also a cheaper cable price.
DVI-I and DVI-D: The DVI connection is a bridge between the analogue and the digital age. It can do this by simply allowing both modes of transmission. Either digital or analog, if desired. If your graphics card has a DVI-I connection, you can operate almost any monitor on it. In case of doubt, this connection can be converted into a VGA or HDMI connection using an adapter. However, this only applies to the DVI-I. The DVI-D, on the other hand, is a purely digital connection. You have to be a little careful with it, because the classic DVI cables cannot be used on it (cannot be plugged in). If your graphics card has a DVI-D connection, you will need a special DVI-D cable or an adapter that provides another connection from your DVI-D connection (e.g. HDMI).
HDMI: Since the digital age has also found its way into televisions, the HDMI connection established itself here - shortly after the turn of the millennium. It is a purely digital connection that can connect the television to all kinds of entertainment electronics (DVD player, Blu-Ray player, game consoles, etc.). Since it uses a protocol compatible with DVI, it was introduced very quickly to graphics cards and is still spreading there today. In the meantime, thanks to HDMI, it has also become much easier to connect the computer to the television.
Mini and Micro HDMI: Since the conventional graphics cards can now address several monitors at the same time (up to 6) and the space for the necessary connections is very limited, smaller connections are simply used in such cases. Instead of a regular HDMI connection, there are mini or micro HDMI connections. Usually these two are intended for compact and portable devices, but they can also be used well with graphics cards. Especially since they grow into a full-fledged HDMI connection with an adapter cable.
DisplayPort and Mini DisplayPort: The DisplayPort is a license-free connection. This means that it can be used free of charge by manufacturers who use it in their products. Unfortunately, it is not establishing itself as quickly as expected. This is probably due to the fact that it is not a successor to the HDMI, but rather a direct competitor. A quick introduction of the DisplayPort was therefore rather secondary for many manufacturers. For this reason, it took 10 years until it can now be found on 35% of all graphics cards and 66% of all monitors (as of 2016).
Our buying tip!
Until now, DVI-I was one of the most important connections on graphics cards. It can be converted into a VGA or HDMI connection by means of an adapter (which is often included with the graphics cards). It offers a very wide range of compatibility and can be connected to practically any monitor. The future belongs to the DisplayPort, because in addition to the video signal, it can also transmit other signals to the monitor (e.g. sound signal) and from the monitor (webcam, microphone). In addition, it supports extremely high resolutions and, unlike the HDMI, has a plug with a snap-in function.
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