This is the same as HDMI 2.0a/b, and is what makes wide color gamut possible. On the color front, 2.1 supports BT.2020 and 16 bits per color. You should be able to get 4K/60, and a basic 8K/30, with current cables, but the rest will need an Ultra High Speed HDMI cable. The increased resolution and frame rate possibilities are a futurist's dream: The main sources that can take advantage of 2.1 right now are the PlayStation 5 and Xbox Series X, as well as high-end graphics cards.Many new TVs have at least one HDMI 2.1 input.New cables are required for higher resolutions and/or frame rates.Can carry resolutions up to 10K, frame rates up to 120 frames per second.Improved bandwidth from 18 gigabits per second (HDMI 2.0) to 48Gbps (HDMI 2.1).The physical connectors and cables look the same as today's HDMI.Sarah Tew/CNET The really short versionĭon't like reading (much)? Here are the highlights: Inputs with HDMI 2.1 features, like the one on this Samsung TV, primarily cater to gamers right now. Many midrange and higher-end sets support the new connectivity standard, though, so it's worthwhile to understand what it means if you are looking to purchase soon. If you're on a budget, those new consoles will play perfectly well (and still look spectacular) on a TV that lacks HDMI 2.1. For most people the extra features are not a good enough reason to buy a higher-end TV. That doesn't mean you need HDMI 2.1, however. You'll want a TV that supports at least some HDMI 2.1 features. HDMI 2.1 is also on both of the next-generation game consoles, the PlayStation 5 and Xbox Series X. The standard is found in the best new TVs, including recent models from LG, Samsung, Sony, TCL, Vizio and more. The latest version, called 2.1b, is only a small update, but 2.1 in general is a big deal with lots of performance improvements and new features. He also thinks you should check out his best-selling sci-fi novel and its sequel.Even though the cable looks the same, modern HDMI connections are vastly more capable than when they first arrived over 20 years ago. Still have a question? Tweet at him then check out his travel photography on Instagram. Got a question for Geoff? First, check out all the other articles he's written on topics like why you shouldn't buy expensive HDMI cables, TV resolutions explained, how HDR works, and more. In the majority of situations, a switch will make your life a little easier, and a splitter can allow certain gear setups that wouldn't be possible otherwise. There's no simple workaround for this, just trial and error. You might be able to resolve the issue by turning the gear on in a specific order, but that might not work either. You might need to do some troubleshooting. There's no way to prevent this from happening, and it's not common, it's just something to keep in mind. Or even more frustrating, don't work reliably, randomly cutting out like the world's lamest electrical demon. HDMI is a cranky beast and it's possible you'll stumble upon some combination of source, switch/splitter, cables, and display that just don't work. Adding any device into the HDMI chain has the potential to cause issues. And as we mentioned above, make sure your switch and cables can handle the resolution from your gear. Most people keep their switches, sources and TV near one another, so shorter lengths are both less expensive and more convenient (less slack to deal with). Remember that when setting up your new switch or splitter you'll likely need to buy HDMI cables too. Tips for buying and setting up an HDMI switch or HDMI splitter For most of you, a 3x1 or 4x1 switch is all you'll likely need. You won't need to worry about those, of course. I have never been more legitimately excited to install anything in the TV test lab #sidebysideHDRcomparison /yUanRlMyWG- David Katzmaier July 27, 2016 CNET's TV lab uses an 8x8 matrix switch for sending multiple 4K HDR signals to multiple TVs for side-by-side comparison testing. These are usually called matrix switches. The number of inputs and outputs scale up considerably on the commercial side, where you could have 16x16 splitters/switches or more. An HDMI splitter would be labeled, for example, 1x3 (1 source input, 3 outputs).An HDMI switch would be labeled, for example, 3x1 (3 source inputs, 1 output). Unlike with multiplication, 1x3 is not the same as 3x1.It can send any of four sources to two TVs. A "4x2" switch is also a splitter, with four inputs and two outputs. Meanwhile, unlike the mislabeled devices mentioned above, there are devices that combine a switch and a splitter in the same box. So a "1x3" splitter will have one input sent to three outputs. Splitters, and many switches, will be labeled in their name with the number of inputs and outputs, respectively, separated by an "x". What does 1x3 mean? Is it the same as 3x1?
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