Let’s take stock of the differences between the various ones versions of HDMI, especially to answer the questions of color geese are looking for a cable to view the TV in 4K. Although the standard is now widespread, various versions are available on the market.
Below we make a brief summary of the different types of HDMI cables:
- HDMI 1.0 to 1.2: These are the older versions of the standard, as they were introduced back in 2002. It is able to offer a 4.95 Gbps bandwidth, of which 3.96 Gbps only for the video stream. With the second version (1.1) the consortium that manages the standard introduced support for DVD-Audio, while 1.2 for Super Audio CDs;
- HDMI 1.2a: It differs from 1.2 for the simple fact that it supports CEC (Consumer Electronic Control), that is the system that allows us to turn on the TV with a single remote control, such as that of Sky;
- HDMI 1.3: Offers a bandwidth of 10.2 Gbps and technically can reach depths of 30, 36 and 48 Bit with RGB and YCbCr. The xvYCC standard, Dolby TrueHD, DTS-HD Master Audio and automatic synchronization are also supported;
- HDMI 1.4: It is the interface standard that introduces support for Ultra HD, with refresh rates of 24, 25 and 30Hz at a resolution of 3840×2160 pixels and 24Hz with 4096×2160 pixels. This version also introduced Ethernet support, the audio return channel, and at least seven 3D formats, as well as the AdobeRGB, AdobeYCC601 and sYCC601 color ranges;
- HDMI 2.0: Offers support for a bandwidth of 18 Gbps, as well as HFR technology for video in 4 at 48 and 60 Fps and 32-channel audio up to 1536 KHz. Video front, we also find support for Static HDR;
- HDMI 2.1: It is the most recent standard as it is the subject of discussion even among gamers. The interface offers a bandwidth of 48 Gbps and resolution support up to 10K at 120Fps. It differs from HDMI 2.1 in its support for Dynamic HDR.
We hope we have dispelled all your doubts with this short list covering all the technical specifications of the various versions of HDMI.