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HDMI 2.0 vs HDMI 2.1: What’s the Difference and Which One Do You Need?

HDMI 2.0 vs HDMI 2.1

Technology is improving constantly, which is why HDMI standards are vital, especially when the intention is to enhance gaming, home theatre, or workstations. 

HDMI, the High-Definition Multimedia Interface, has, over time, become associated with connecting devices to screens. 

Recently, HDMI 2.1 brought a new challenge regarding how it differs from the previous formulation, the HDMI 2. 

It won’t be a bad idea to go through the two subtypes to be in a position to select the right one that fits a particular need. Who cares, you ask? Well anyone who fires up their gaming PC for high-frame-rate gaming, watches 4K movies, or sets up a new workspace. But you can be affected by choosing HDMI 2.0 or HDMI 2.1. 

In this blog, we find out what distinguishes HDMI 2.0 from HDMI 2.1 and which setup is better for a particular home.

What is HDMI?

HDMI is an interface that connects devices like television sets, monitors, and gaming systems, and it supports both voice and pictures in high definition. 

It was said to have been invented to do away with other cables, such as the VGA and DVI cables, since they offer both sound and picture. 

HDMI has undergone various improvements over the years to embrace higher resolutions, fast refresh rates, and other qualities. 

The need for better picture quality, for instance, 4K and 8K, and better performance in gaming and streaming is at the core of this evolution. New HDMI versions also offer better integration with some devices, such as soundbars and home theater systems.

What is HDMI 2.0?

HDMI 2.0 is that version of HDMI—High-Definition Multimedia Interface – standard launched in 2013. 

The format supports increasing video and audio quality compared to previous versions. HDMI 2.0 can support 4K to 60 frames per second compressional video. 

It also provides higher bandwidth; data transfer is 18 Gbps. This is good news for the public because it means high-quality video streams and less frame skipping for game lovers. HDMI 2.0 is quite popular in TVs, monitors and gaming consoles.

Key Features of HDMI 2.0

  • 4K@60Hz: It supports only higher resolution standard video modes such as 4K at 60 frames per second.

  • 18 Gbps Bandwidth: Raises maximum data transfer rate to 18 Gbps.

  • 32 Audio Channels: Hammers up to 32 audio channels ideal for the audio results.

  • Dual Video Streams: Enables two video streams on one screen simultaneously.

  • Dynamic Auto Lip-Sync: Ensures that the start and end times of documents, clips, captions, audio descriptions, and other components match with the video.

  • BT.2020 Color Space: Supports BT. 2020 color gamut to increase the resolution of displayed videos.

  • HDR (High Dynamic Range): HDR content is supported to achieve improved contrast and a wider range of colors.

  • Up to 1536 kHz Audio: High-quality audio support with sampling frequencies of up to one and a half megahertz.

  • CEC Extensions: Increased CEC at improved efficiency utilizing a greater percentage of time compared to previous systems.

  • 4:4:4 Chroma Subsampling: Fully supports it to provide a detailed representation of colors in the video.

What is HDMI 2.1?

HDMI 2.1 is an edition of the HDMI standard formulated in 2017. It enables quicker connectivity between devices and more video referrals, like 4K at 120Hz and 8K at 60Hz. This makes it ideal for gaming, high-quality video, or anything that demands high-end graphics. 

It also supports dynamic HDR, enhancing color and contrast on the spot. Other capability includes eARC, the enhanced Audio Return Channel, which is mainly important for home theater systems. 

The newer version of HDMI, version 2.1, can work with the older HDMI connections but provides the best results with the newer connections.

Key Features of HDMI 2.1

  • Higher Bandwidth: Offers up to 48Gbps for more data transfer capabilities.

  • 8K Resolution: Compatible with 8K @ 60Hz and 4K @ 120 Hz.

  • Dynamic HDR: Enables the alteration of HDR metadata between frames flexibly.

  • eARC (Enhanced Audio Return Channel): Supports premium audio like Dolby Atmos and DTS audio.

  • Variable Refresh Rate (VRR): Helps minimize lag and tear that harms the image on the screen during gaming.

  • Auto Low Latency Mode (ALLM): Adaptively changes to a low latency profile for a game without the need to manually toggling it.

  • Quick Frame Transport (QFT): Reduce lag time for the video with less blur.

  • Quick Media Switching (QMS): Erases the problem of delay time when switching between video modes.

  • Enhanced CEC (Consumer Electronics Control): Enhances coordination of interoperability of devices and control over them.

  • Backward Compatibility: Works with older HDMI versions and older but without high-speed options.

to the difference between hdmi 2.0 and hdmi 2.1 read full article on HDMI 2.0 vs HDMI 2.1

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