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Higher video resolutions and refresh rates are now supported by the updated HDMI 2.0 standard. It included new capabilities like high dynamic range (HDR) content support and 4K resolution at 60 frames per second. HDMI 2.0 can be found in many different consumer electronics and offers improved video and audio quality over its predecessor.
The HDMI 2.1 standard is the most recent revision of the HDMI specification, and it includes numerous improvements over its predecessor. More advanced video formats are now supported, such as 8K at 60Hz and 4K at 120Hz. Auto Low Latency Mode (ALLM) automatically minimizes input lag for gaming, while Variable Refresh Rate (VRR) helps eliminate screen tearing during fast-paced action. Furthermore, HDMI 2.1 offers increased capacity for future developments and compatibility for higher-quality audio formats.
HDMI 2.0 vs HDMI 2.1 Comparison Table
Both HDMI 2.0 and HDMI 2 are versions of the standard for sending music and video called High-Definition Multimedia Interface (HDMI). When compared to HDMI 2, HDMI 2.0 added support for higher video resolutions and refresh rates. This makes it better for 4K and HDR material.
Specification | HDMI 2.0 | HDMI 2.1 |
---|---|---|
Maximum Bandwidth | 18 Gbps | 48 Gbps |
Video Resolutions | 4K at 60Hz | 8K at 60Hz |
Refresh Rates | 60Hz | 120Hz |
Audio Formats | Up to 32 channels | Enhanced support for advanced audio formats |
Backward Compatibility | Yes | Yes |
What is HDMI 2.0 ?

The High-Definition Multimedia Interface (HDMI) 2.0 standard is an improved implementation of the original HDMI specification. Compared to its predecessor, HDMI 1.4, it introduced a number of noteworthy enhancements. The primary characteristics of HDMI 2.0 are the ability to support greater video resolutions and refresh rates because to the increased bandwidth of 18 Gbps. The crisper and smoother 4K resolution at 60Hz is supported. High Dynamic Range (HDR) content, which boasts improved colour depth and contrast, is also supported by HDMI 2.0. It’s a step up from previous audio solutions, supporting up to 32 channels and 1536 kHz sampling rates. You can visit its official website
What is HDMI 2.1 ?

The High-Definition Multimedia Interface (HDMI) 2.1 standard is the most recent revision of the protocol for exchanging visual and audio data between electronic gadgets. It’s a big improvement over earlier releases. Video at 8K at 60Hz or 4K at 120Hz, all of which are supported by HDMI 2.1, looks incredibly crisp and fluid. Automatically adjusting input lag for gaming is made easier with the new Auto Low Latency Mode (ALLM), and screen tearing is minimized with the new Variable Refresh Rate (VRR). More advanced audio codecs like Dolby Atmos and DTS:X are supported by HDMI 2.1, and the interface’s bandwidth has been upgraded to accommodate future innovations.
Resolution and Refresh Rates: HDMI 2.0
The following resolutions and refresh rates are supported by HDMI 2.0 in their various combinations:
- 4K Resolution: With a maximum refresh rate of 60 frames per second, HDMI 2.0 supports 4K video resolution (3840×2160 pixels). This enables displays to show crisp, detailed images.
- 1080p Resolution: HDMI 2.0 allows for greater refresh rates, up to 240 hertz, in Full HD resolution (1920 by 1080 pixels). This is helpful for reducing jerkiness in action-packed media like video games and sports broadcasts.
- 3D Content: If you’re looking to watch 3D movies or TV shows, you’ll be pleased to know that HDMI 2.0 supports 3D video formats up to 1080p resolution and 60Hz refresh rate.
Resolution and Refresh Rates: HDMI 2.1
The following resolutions and refresh rates are supported by HDMI 2.1 in their various combinations:
- 8K Resolution: HDMI 2.1 can handle videos with a quality of 8K (7680×4320 pixels) and a refresh rate of up to 60Hz. This gives very clear and detailed images on 8K screens that can handle them.
- 4K Resolution: HDMI 2.1 allows higher refresh rates, such as 120Hz, for 4K video (3840×2160 pixels). This makes movement smoother and makes gaming better on screens that can handle it.
- Variable Refresh Rate (VRR): VRR technology is added to HDMI 2.1. This lets the frame rate change on the fly to match the output of the graphics card. This stops the screen from breaking and makes it easier to play games.
Which is better ?
HDMI 2.0, HDMI 2.1 has a number of improvements. HDMI 2.1 is more forward-compatible with future displays since it offers higher video resolutions, such as 8K at 60Hz and 4K at 120Hz. For better gameplay, it also includes new options like VRR and ALLM (Auto Low Latency Mode). Since HDMI 2.1 has more bandwidth, it can handle more data at once and play more complex audio formats. Despite this, HDMI 2.0 is still a viable alternative for many uses, as it supports 4K at 60Hz and is backwards-compatible with older HDMI standards. Ultimately, it comes down to personal preference and device compatibility when deciding between the two.
HDMI 2.0: The good and The bad
HDMI 2.0 is a version of the High-Definition Multimedia Interface standard. This is a popular way for devices like TVs, monitors, and media players to send and receive audio and video signals.
The Good
- Wide availability and compatibility with existing devices.
- Supports 4K resolution at a smooth 60Hz refresh rate.
The Bad
- Lower resolution and refresh rate support than HDMI 2.1.
HDMI 2.1: The good and The bad
The newest version of the HDMI standard is 2.1, which stands for “High-Definition Multimedia Interface 2.1.” When compared to HDMI 2.0, it adds a lot of additional capabilities and improvements. Higher video resolutions are possible with HDMI 2.1, up to 8K at 60 fps and 4K at 120 fps.
The Good
- Auto Low Latency Mode (ALLM) optimizes input lag for gaming.
- Enhanced support for advanced audio formats.
The Bad
- Higher cost compared to HDMI 2.0.
Questions and Answers
HDMI 2.1 enables faster frame speeds, up to 120 fps, and higher resolutions, including 8K. Resolution increases the picture’s clarity and sharpness, allowing you to see more details from closer or at a greater distance than before.
A device that advertises support for HDMI 2.1 can use a 2.0 cable without issue. The functionalities of HDMI 2.1, however, will be unavailable. You can only use the standard capabilities of HDMI 2.0.