How To Tell If HDMI Cable Is 2.0? A Complete Guide For Newbies

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On each laptop, there will be cables to connect different devices. You can use them to charge your device or link multiple external devices. 

Depending on the other machine model, the quantity will be different. In particular, the most critical connection cable is HDMI.

This product can connect many different devices. You can transfer the entire picture on your laptop to a TV or slideshow.

Currently, it has many different types of wires 1.1, 1.4, 2.0, etc., and the quality is entirely different. So, how to tell if the HDMI cable is 2.0?  This product provides images with 4K quality and speeds up to 60 Hz.

Some ways to help you check HDMI cable 2.0

  • Check the information on the website
  • Check out support equipment
  • Read the user manual
  • CPU test

Let us learn more in detail about this device in the article below!


Overview Of 2.0 Cable

Overview Of 2.0 version

Overview Of 2.0 version 

HDMI is an acronym for High-Definition Multimedia Interface. This extension cord is a top-rated product on the market today. You can easily find them at stores that sell high-tech electronics.

The primary use is the 2.0 cable to connect your laptop to your phone, TV, or projector. This product will transmit all the photos and videos in stunning quality. You can use this device to work or even show your favorite movie.

In addition, this connecting device has several other characteristics such as:

  • Maximum bandwidth: It is the maximum bandwidth that transmits images and sounds to the connected device. Video quality has 4K resolution. This parameter is higher than other types.
  • Aspect Ratio: For previous connections, it will take about 2-3 seconds to transmit the image. But 2.0 is different. The link rate is up to 60 Hz and still keeps the resolution in high quality. The images will always be clear, no matter how big or small the device is.
  • Sound performance: In addition to a clear picture, 2.0 can also transmit sound perfectly. This product has advanced audio support such as DTS-HD, Dolby TrueHD & Dolby ATMOS for the most realistic sound ever.
  • Chroma subsampling: Instead of using 4:2:2 as before, 2.0 used 4:4:4 perfectly for transparent colors. The transmitted images will have high resolution and be suitable for all types of devices.
  • Color bit depth: 2.0’s color bit depth has become a big step forward. With 12-bit numbers and 4069 shades, the image moves more smoothly.
  • HDR: Contrast is also an essential factor in creating the color of the video. 2.0 is the first product with this feature. The images are all the sharpest.

Why Are All HDMI Cables Different?

There are many different types of HDMI on the market. Each product has its features and characteristics that are suitable for each person’s purpose.

The specifications of each type are different. HDMI is constantly changing to suit today’s times. Therefore, each product has a specific improvement.

  • HDMI 1.4: HDMI 1.4 is a product launched in the early years of the 21st century. It is the first connected device on the market. When widely sold, the extension cord has received many compliments, such as its high resolution, the speed that can transfer 30 frames in 1 second.
  • 2.0 version: 2.0 is an improved version when the manufacturer increases the maximum bandwidth parameter. 18.0 gigabits is the throughput to transmit 4K quality images and videos with frame rates up to 60 Hz.
  • HDMI 2.1: 2.1 version is the latest version of the new connector released in 2017. This product has a maximum speed of 48Gbps. This number allows the images to become the most realistic ever. However, this device is also quite complicated to use.

Up to now, there have been many different versions born to increase the quality of the product. However, people still tend to use 2.0 because the features it brings are significant.

How To Tell If HDMI Cable Is 2.0?

Although having the same use, each type of HDMI will have some different characteristics. To determine if your extension cord is type 2.0, please refer to the following methods:

Check the information on the website

The manufacturer’s website will usually have all the necessary information about the product you are looking for. So, to determine if your extension cord is type 2.0, look it up to find out the answer.

Specifically, read the necessary parameters such as maximum bandwidth, HDR, … If the device you own has all the above factors, it is 2.0. These numbers are what distinguish it from others.

Support equipment

Support equipment

Support equipment 

Each connected device will have a different port size. Another factor is the image quality will also use other supporting products. It would help if you considered what devices your extension cord can connect to determine the correct type.

For example, projectors and TVs that need clear 4K resolution will need to use 2.0, 2.1. If your extension cord can connect to these devices, it’s 2.0.

Read the user manual

When buying any product, the seller will also send a user manual. You can read the manual and find the necessary information.

The method is the same as when you look it up on the manufacturer’s website. You need to find the specifications and special features of HDMI to determine if your product is 2.0 type or not.

If you can’t find the information in the manual, ask the seller for help. They are the ones who capture the information about each product. Experts will advise you in detail about the equipment you own.

CPU test

CPU test

CPU test

In addition to external tests, you can determine whether your connection is 2.0 or not with your laptop. Each model will require a different product, so this check is also relatively easy.

For Intel Core 9th Gen laptops, they will only be able to use HDMI 1.4 cables. As for the 10th Gen, these models can accept 2.0.

This determination is relatively simple because all the necessary information about the laptop is already in the CPU.

You can open the intro and search for your device’s generation. Or you need to plug in the extension cord to see if the two products are connected.

For more tips, you can check out the video below:


2.0 is not a new product. However, there are still many unanswered questions. We have compiled answers to the questions that many people are interested in:

Does 2.0 support HDCP?

Does the 2.0 version support HDCP

Does the 2.0 version support HDCP?

HDCP stands for High-bandwidth Digital Content Protection. This product has the role of protecting information by encrypting and locking required authentication. It can prevent the theft of essential security content.

Currently, HDCP can only connect to 2.0. If you use other devices to link, HDCP will refuse to accept it to protect privacy.

Do you need HDMI 2.1 for 4K?

Do you need HDMI 2.1 for 4K

Do you need HDMI 2.1 for 4K? 

2.1 has a transfer rate of 120 frames per second. This feature will help the image to transmit faster and more accurately. Therefore, you can ultimately use the HDMI 2.1 version for 4K TVs.

However, 2.0 is also capable of delivering 4K quality. So, if you own a 2.0 extension cord, you can ultimately use it without changing to 2.1.

What is the difference between HDMI 1.4 and 2.0 cables?

For HDMI 1.4, this product provides 30Hz per second and supports sharp 4K images. There are very few devices that are compatible with this extension cord. Things like TVs and projectors often can’t connect.

As for 2.0, it also supports accurate 4K images. A feature of this product is the addition of an HDR-enabled device to help display colors clearly and vividly.

Will 2.0 replace HDMI 1.x?

The answer is yes. 2.0 is an improved version of the earlier types to be completely interchangeable with the older ones. Compared with HDMI 1.4, this device supports higher bandwidth and a faster frame rate. Therefore, this improved version has many more outstanding features and is worth using.

Does 2.0 require a new extension cable?

2.0 only upgrades new features such as higher bandwidth than previous types, faster transmission speed. Therefore, this device will not require the use of a new connection cable. You can connect directly with the extension cord you already have to continue video playback.

See more:


Determining which HDMI cable you are using will make your connection easier. You can quickly search for devices that can link to your product.

2.0 is today’s most prominent and modern extension cord. Owning this product will make the ability to link with many devices much more convenient.

Hopefully, the above article will help you gain more knowledge about HDMI and how to determine if your connection cable is type 2.0 or not.


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