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Differences between HDMI cables — what to look for when buying

HDMI cables: how are they different?

Article headings

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• News and novelties
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Edited: 11/10/2022

Not all HDMI cables are the same. Apart from different standards, there are some other differences between cables. After buying a new Ultra HD TV, the question arises which HDMI cable will provide the desired quality. We explain their differences and what to look for when buying a cable.

Interesting fact: HDMI Splitter. An HDMI splitter is used when you want to output an HDMI signal from one device to multiple end devices at the same time. For example, you can display an HDMI signal from a Blu-ray player on two different screens in parallel.

Contents:

• What is HDMI?
• What are the technical differences between HDMI cables?
• What should I pay attention to when buying?
• Conclusion

What is HDMI?

HDMI stands for High Definition Multimedia Interface and is an interface that has been developed since 2002 for the digital transmission of image and sound. For example, you can connect your Blu-ray player or game console directly to your TV via HDMI to display picture and sound at the same time.

HDMI cables can offer the following benefits for the devices they connect:

• excellent digital signal quality;
• best image quality;
• excellent sound quality, including multi-channel surround sound;
• feedback between devices;
• the ability to connect to various electronic devices of the computer.

This is interesting! What is HDMI ARC? ARC (Audio Return Channel) stands for «Audio Return Channel» and refers to an HDMI connection through which audio can be transmitted and forwarded in both directions.

That’s interesting! HDMI eARC what is it? eARC (Enhanced Audio Return Channel) allows you to transmit the original audio signal in full resolution over the HDMI cable and reproduce the best sound, it has a much higher bandwidth than ARC. eARC is a feature implemented in the latest HDMI 2.1 specification.

What are the technical differences between HDMI cables?

The current version of HDMI is 2.1, however due to the license agreement HDMI products can no longer be marked with version numbers. The names are now «HDMI Standard», «HDMI High Speed», «HDMI Premium High Speed» and, in the latest version, «HDMI Ultra High Speed». Whether it’s Full HD or HDMI 2.0, our table will help you understand the difference between HDMI versions, as well as the differences between individual cables and HDMI standards:

Name	Version	Speed ​​	Resolution	Color formats	Additions	New functions
HDMI Standard	1. 0	3.96 Gbps	1080p@60Hz	RGB and YCbCr 8 bits each	8 channels (PCM, MPEG, Dolby Digital, DTS)
	1.1	3.96 Gbps	1080p@60Hz	RGB and YCbCr 8 bits each	DVD audio
	1.2	up to 7.92 Gbps	1080p@60Hz	RGB and YCbCr 8 bits each	SACD	CEC (as of version 1.2a)
HDMI High Speed ​​	1.3	8.16 Gbps	1440p@60Hz	RGB and YCbCr with 10/12/16 bits each, xvYCC color space	Dolby Digital Plus, True HD, dts-HD	Lipsync, Deep Color
	1.4	8.16 Gbps	4096 x 2160p @ 24Hz 3840 x 2160p @ 30Hz 2560 x 1600p @ 60Hz 1920 x 1080p @ 120Hz	Color space SYCC-601 Color space Adobe RGB Color space Adobe YCC-601	Audio Return Channel (ARC)	HDMI Ethernet Channel (HEC)
HDMI Premium High Speed ​​	2. 0	14.4 Gbps	3840 × 2160p@60Hz 1920 × 1080p@48Hz (3D)	Color space ITU-R BT.2020	Up to 32 channels, Dolby Atmos, eARC (since 2.0b)	HDR (as of version 2.0a)
HDMI Ultra High Speed ​​	2.1	42⅔ Gbps	7680 × 4320p@60Hz 3840 × 2160p@120Hz (3D)	RGB with 14-bit subsampling each color YCbCr 4:2:0 DSC 1.2 video compression	DTS: X	HDR10, Dolby Vision

So, depending on the bit rate, you should use the following HDMI options for HD up to 8K transfer:

• HDMI Standard: Supports transfer rates up to 7.92 Gbps (Gbps), which is sufficient to transmit a high definition signal (1080p) at 60 Hz — i.e. Full HD.
• HDMI High Speed: Supports transfer rates up to 8.16Gbps and supports 4K, 3D or Deep Color
• HDMI Premium High Speed: Supports transfer rates up to 14. 4 Gbps for 4K at 60 Hz. This standard also ensures that the required bandwidth is actually available.
• HDMI Ultra High Speed: 48 Gbps maximum throughput. This allows 8K at 60Hz and 4K at 120Hz to be transmitted.

In addition to specifications, there are different types of connectors for HDMI cables. The standard plug is the Type A connector. These are the ones you will most often find on all entertainment devices or laptops. In addition, there is Type C (mini-HDMI) and Type D (micro-HDMI). Like USB plugs, these connectors are smaller than the standard one.

Interesting fact: HDMI(M) and HDMI(F). Male, translated from English, male, denotes a cable plug that is inserted into the device. Female (female), indicates the connector into which the cable is inserted.

What should I pay attention to when buying?

When shopping for a cable, the first thing you should do is compare the specifications and decide which HDMI cable is best for your needs. Our table above will help you with this. If you need an HDMI cable for Ultra HD, Deep Color and Dolby Vision, it hardly makes sense to buy an older, cheaper standard HDMI cable. In this case, you should purchase a super high speed HDMI cable, or at least a cable with HDMI 2.0 or higher. In addition to the name of the cable, the following points are important when buying:

1. Choose the length that suits you best: longer cables are firstly more expensive and secondly have a negative effect on quality.
2. Find the right connector type: HDMI Type A is the standard for TVs and consoles. And for example, smartphones need type D.
3. The price of a certified cable only affects materials and service life: HDMI cables transmit digital video and audio data using the so-called TMDS technology. Here, two versions of the same data stream are sent on different wires. In this way, transmission errors or failures can be effectively eliminated. The result of this method is that at the end of the signal transmission, either no ideal signal or no signal at all is received. There is no difference in image quality between them.
4. Workmanship: There are, of course, differences between HDMI cables in terms of workmanship. In particular, the plug-to-wire harness transition is often the weak point of many cheap cables, so that cable breaks or other defects occur after a few «kinks». Poor shielding can cause the signal to be affected by external sources of interference (such as power lines). In the worst case, this can lead to a complete failure of the image or the appearance of visible artifacts in the form of white pixels on the screen.

This is interesting! What does MHL mean in HDMI? MHL stands for «Mobile High-Definition Link», that is, a portable high-definition connection. This is mainly required for smaller devices such as mobile phones and tablets. Can transfer HD video, sound and charge devices.

Conclusion

The price of expensive HDMI cables is not necessarily unjustified. The picture quality is the same for all cables, but those who need extra-strong cables for flush mounting or outdoor use pay more.

When it comes to choosing where to buy HDMI cables, choose a reliable supplier. AnLan has been a leader in the Russian market since 2007. Reasonable price and European quality is what distinguishes the company’s products from other organizations.

Copying content from the site Anlan.ru is possible only with a link to the source.
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Article author

Dmitry Streshnev

Network equipment specialist

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