What is HDMI?
HDMI stands for High Definition Multimedia Interface and is an interface for the transmission of image and sound, this standard was developed in 2003. Similar to how you use USB cables to connect printers or external hard drives to your PC, an HDMI cable is used to connect a Blueray player or game console to your TV. The HDMI cable can be used to transmit image and sound to a TV, monitor or projector in parallel. Each cable has an identical connector at the ends, so it does not matter which side is connected to the signal input and output. You will then find the matching socket on all devices with an HDMI connection.
How do HDMI cables differ?
Anyone who believes that you can not go wrong when buying an HDMI cable, because it is a uniform standard, is unfortunately disappointed. Similar to what you already know from USB cables, there are different sizes, lengths and transmission speeds. Therefore, you should check which HDMI type is required for your hardware before buying the multimedia cable. To give you some help, we show you the different features here
Different connector sizes
With shrinking device sizes and less and less space on the hardware housing, different connector sizes have now become established:
- Standard HDMI: This connector size is also referred to as type A. The standard is used on home consumer electronics, such as TVs, PC monitors, DVD players or game consoles. HDMI Type A is the largest type and therefore the most robust connector.
This plug size is also known as Type C. This connector is slightly smaller than the standard and is used on devices with slim cases and little space for connectors. You'll mostly find it on newer notebooks, tablets, and some digital cameras.
- micro-HDMI This connector size is also known as Micro-HDMI Type D (Alt Text: Micro-HDMI Type D : link : https://www.berrybase.de/premium-4k-micro-hdmi-adapterkabel-23cm-schwarz). Due to the ongoing miniaturization of hardware, this size was additionally created and is used on devices that are extremely flat, as known from smartphones.
All three connectors have the same 19 pins, some may have a different pinout. But they all support the resolutions and functions of HDMI 1.4 and higher.
If you want to connect 2 devices via HDMI, proceed as follows: Find the corresponding HDMI socket on both devices. The sockets may look different on both devices if they are of different types (standard, mini, micro). You will find the right cable for each combination of sizes.
Different transmission rates
Ever-increasing data volumes, high refresh rates and growing screen resolutions also made increased transmission rates necessary over time:
- first generation HDMI cable / HDMI standard: This was generation 1.x, which can usually be recognized by the fact that the version designation 1.3, 1.4 or similar is still printed on it. With this, 7.92 Gbit/sec can be realized to enable the transmission of an HDMI signal with 60 Hz (full HD). These cables are good enough to connect the DVD player to the TV or projector. However, in stores these cables are sold only as remnants.
- second generation HDMI cable / High Speed These cables with the HDMI 2.1 standard also go under the name "High Speed HDMI cable". They offer a transfer rate of 8.16 Gbit/sec, almost twice the speed of its predecessor. You need these cables if you want to use high-resolution monitors with 4K, Deep Color or fast refresh rates of up to 120Hz.
- HDMI Cable / Premium High SpeedHDMI cables with the "Premium" label ensure transfer rates of up to 14 Gbit/sec 4 K up to 60 Hz. With HDMI Premium High-Speed cable you are optimally equipped for the entertainment sector, the cable meets the current standards. HDMI Cable / Ultra High Speed
- Ultra High Speed Cable: has a transmission rate of 42⅔ GBit/s which can transmit 8K with 60 Hz and 4K with a refresh rate of 120 Hz. You should use these cables if you are an absolute home cinema enthusiast and surround yourself with output devices that can play 8K resolution, HDR color space, and HD audio.
- Ethernet HDMI Cable: Ethernet HDMI cable have an integrated network cable and thus offer the possibility to also transmit Internet.
Our tip: Since technical progress will soon make today's still unbelievable-sounding transfer rates standard, it makes sense to invest in Ultra High Speed HDMI cables today, even if the corresponding hardware is not yet in your hands.
It can happen that you want to connect 2 devices via HDMI and then realize that one device does not have an HDMI interface. This can be the case, for example, if you want to connect a new laptop to an older PC monitor. But don't worry, here you can either buy the right cable or a corresponding HDMI adapter right away. Typical adaptations are for example HDMI to DVI, HDMI to VGA , HDMI to Displayport and even HDMI to Scart. With this you should be able to connect all devices together. If you already have an installed HDMI cable and the old plug size no longer fits after buying a new device, it makes sense for you to only purchase the appropriate adapter, which is already available for small money.
An HDMI splitter you need if you want to connect two HDMI-capable output devices. You can also find the right splitter with the right inputs and outputs for your devices in the store.
Different HDMI cable lengths
To transmit Full HD, a conventional HDMI cable can be up to 10 meters long without causing any problems with the transmission of the signal. Above 10 meters, at least a high-quality cable should be used. From 15 meters, the cable should necessarily have premium quality.
There is also the possibility to extend an HDMI cable with an HDMI extension cable. So you can make a 10 meter cable out of two 5 meter cables. But beware this is very error prone and usually a 10 meter cable is just as cheap to buy.
A HDMI cable length up to 40 meters is only possible with a HDMI Repeater is possible. This repeater amplifies the HDMI signal without needing its own power source. After 10 meters of cable length, you then need one repeater each. This can be continued in alternation up to 40 meters.