Which HDMI version supports 4K 120Hz?

Which HDMI Version Supports 4K 120Hz?

The advancement in technology has led to the development of high-speed devices that require high-resolution video signals. One of the most common requirements is to have a 4K display at a refresh rate of 120Hz. But, have you ever wondered which HDMI version can support this? In this article, we will dive into the details of the different HDMI versions and find out which one can support 4K 120Hz.

HDMI 2.0

The first version of HDMI was released in 2002, and it supported a maximum resolution of 1080p at 60Hz. HDMI 2.0 was introduced in 2013 and provided a significant increase in bandwidth, allowing it to support resolutions up to 4K at 60Hz. However, it is important to note that HDMI 2.0 does not support 4K at 120Hz. The increased bandwidth of HDMI 2.0 allows it to handle higher resolutions and frame rates, but it still has limitations when it comes to 4K 120Hz.

HDMI 2.1

HDMI 2.1 is the latest version of HDMI, released in 2017. It boasts even higher bandwidth than its predecessors, allowing it to support 4K resolutions at 120Hz, as well as 8K resolutions at 60Hz. HDMI 2.1 also introduced a new feature called variable refresh rate (VRR), which allows the monitor to adjust the refresh rate in real-time to reduce screen tearing and stuttering.

What Does HDMI 2.1 Offer?

Here are some of the key features of HDMI 2.1:

• 4K at 120Hz: HDMI 2.1 can support 4K resolutions at a refresh rate of 120Hz, making it perfect for gaming and high-speed video applications.
• 8K at 60Hz: HDMI 2.1 can also support 8K resolutions at a refresh rate of 60Hz, providing a higher level of detail and clarity.
• VRR: HDMI 2.1 introduces VRR, which allows the monitor to adjust the refresh rate in real-time to reduce screen tearing and stuttering.
• Alliance for Wireless Power (A4WP): HDMI 2.1 is compatible with A4WP, which allows devices to wirelessly charge each other.

How to Know If Your HDMI Cable Supports 4K 120Hz?

If you’re wondering whether your existing HDMI cable will work, here are some tips:

• Check the HDMI version: Make sure your HDMI cable is version 2.1 or later. If it’s version 2.0, it may not support 4K 120Hz.
• Check the cable length: HDMI cables with a length of more than 3 meters may not support 4K 120Hz due to signal degradation.
• Check the cable quality: Ensure that your HDMI cable is high-speed and high-quality to support 4K 120Hz.

Conclusion

In conclusion, HDMI 2.1 is the latest version of HDMI that supports 4K 120Hz, as well as 8K resolutions at 60Hz. If you want to take advantage of the latest technologies and experience the best video quality, HDMI 2.1 is the way to go. Always check the HDMI version, cable length, and cable quality to ensure that your setup can support 4K 120Hz.

Table: HDMI Version Comparison

Note: This article is a rewritten version of the original content.