![]() ![]() Note that the Xbox Series X can use a less powerful version of VRR called FreeSync on certain Samsung and LG TVs that don't have HDMI 2.1. This can reduce screen tearing and certain types of motion stutter. Variable Refresh Rate (VRR) allows your TV to "sync" the number of times it refreshes per second to the number of frames being output by your console. ![]() HDMI 2.1, introduced in 2019, adds a few handy gaming features: Some HDMI 2.0 ports support HDMI 2.1 features but aren’t labelled as HDMI 2.1 certified, and if you’ve been following the palaver surrounding AV receivers’ HDMI 2.1 support, that’s been a mess across the board with faulty chips and capped bitrates affecting performance.HDMI 2.1 Features Are Nice, but Not Urgent Upgradesįinally, if you've seen any TV buying guides this year, you'll notice "HDMI 2.1" mentioned as a gaming feature to look for if you plan on buying a PS5 or Xbox Series X. ![]() Others have taken an age to support HDMI 2.1 features – for instance Sony on their PS5 console and Bravia TVs – promising updates that still haven’t arrived. Some TVs have flopped between full support for maximum bitrate HDMI 2.1 offers (48GBps) to a restricted bitrate (40GBps). It’s a convoluted state of affairs founded on an already confusing situation. That’s rather irritating as a number of these advanced features do require a new cable that’s actually HDMI 2.1. You could purchase a cable that says it supports HDMI 2.1 but could instead be a HDMI 2.0 cable with none of advanced features the v2.1 spec promises. ![]() It’s a problem further compounded by the HDMI Forum and HDMI Licensing Administrator recent decree that the HDMI 2.1 standard completely replaces the HDMI 2.0 spec (eating it whole, as it were). You could be sold a device certified to the HDMI 2.1 standard but, depending on the manufacturer’s discretion, may not have access to the features listed above. The problem is that like ALLM, VRR, Quick Frame Transport (QFT), Quick Media Switching (QMS) and eARC, this feature is not mandatory. Not all HDR displays operate at the same level, so this would be a useful addition to the spec. The source device sends a video signal to a display, and SBTM would take into account the screen’s HDR capability and adapt the performance accordingly. The HDMI 2.1a update introduces a new feature called Source-Based Tone Mapping (SBTM). And news of the HDMI 2.1a update appears not to simplify things but make them more convoluted instead. Nevertheless, the introduction of HDMI 2.1 marked a push forward, an attempt to incorporate the various new technologies ( HDR, 8K), as well as automate features that required human input with the introduction of Auto Low Latency Mode and Variable Refresh Rate.īut the launch of HDMI 2.1 has brought about a string of complications and awkward implementations. Who knew trying to get devices to talk to each could be so complicated? So how has it been allowed to become so confusing?Įvery big change in the HDMI standard is something of a fresh start, but can also open the door to new handshake, lip-sync issues and other such problems to raise their head. The new connection aimed to elevate the current standard of home cinema connectivity, and cast an eye towards the future. OPINION: Back in 2017 when the HDMI 2.1 standard was finalised, there was much promise and intrigue about it. ![]()
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