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What's the difference between a certified and a non-certified HDMI cable? Not much. If an HDMI cable is truly a high-speed cable, it will perform all of the needed duties like transmitting 4K at 60Hz, high dynamic range (HDR), and 4:4:4 deep-color video, plus uncompressed audio. HDMI 2.1 represents a huge step up over HDMI 2.0. The former is capable of 48Gbps versus the latter’s 18Gbps. However, a large amount of this power increase is for future-proofing, meaning that for now HDMI 2.0 is still capable of many people’s needs. Do I need HDMI 2.1 for gaming? This grants unparalleled ease of installation in tight spaces, fitting into places where the other cables on this list simply couldn’t. This means you won’t have to adapt your gaming set up to satisfy your cable’s needs.
Triple magnet screening and 24K gold plugs makes our Performance USB A-Mini B the best in its class. This is about defining a new specification of a HDMI cable's speed, with so-called 48G cables (for now just a working title) offering 48Gbps bandwidth for sending uncompressed 8K video, with HDR, over a HDMI 2.1 cable. This HDMI 2.1 cable from Ubluker is perfect for reaching the high-speed, high-resolution gameplay that the next generation of consoles is capable of. The Xbox Series X, for example, is able to run games at 4K at 120 frames per second. For this to be possible you have to have an HDMI 2.1 cable and this one from Ubluker is a great choice.The most common type of cable used for connecting products on a wired network. This cable connects wired devices together to the local network for file sharing and Internet access. SUBWOOFER CABLE This is a fully certified and compliant cable, that adheres to all the requirements necessary to be recognised by HDMI. There are a tonne of support features including ALLM, VRR, and Dynamic HDR as well as many others. Take a look at the breakdown of screen tear, to understand why these features are so helpful. Prices valid in stores (all including VAT) until close of business on 25th November 2023. (Some of these web prices are cheaper than in-store, so please mention that you've seen these offers online.)
The big elephant in the room here is that it was revealed in December 2021 that many TVs labelled HDMI 2.1 might not come with all of the features you'd expect from HDMI 2.1. We cover why this is important in this guide, but what you need to know is that just because a TV says it has HDMI 2.1 capabilities doesn't mean it'll do everything you need it to.Welcome to the top of the HDMI tower. Ultra High Speed HDMI is for people who want the ultimate in future-proofing. Representing the bleeding-edge of HDMI tech, ultra-certified cables are guaranteed to provide the full 48Gbps that enables all of the advanced features in the HDMI 2.1 specification, including 8K/60Hz, 4K/240Hz, and 4K/120Hz video, eARC, all versions of HDR, and the many varieties of variable refresh rate (VRR) technologies. Designed for the new generation of 8K TVs, the QED Performance Ultra High Speed HDMI cable supports up to 48Gb/s. Up from the previous 16Gb/s, this is enough to support uncompressed video resolutions, right up to 8K@60Hz – making it the ideal cable for your new 8K TV. Optimised for HDMI 2.1, it also supports 12-bit HDR and eARC (enhanced Audio Return Channel) for all the latest features. QED has been designing and engineering superior analogue and digital cables for more than 45 years, and its new Performance Ultra High Speed HDMI 2.1 cable is informed by the results of the company’s exhaustive research into cable design since 1995. Supports full 8K video content
Despite efforts on the part of some manufacturers to label their cables as HDMI 2.0 or HDMI 2.1, what differentiates one HDMI cord from another isn't the HDMI version. That version number (1, 1.4, 2.0, 2.1, etc.) describes the capabilities of your hardware — from OLED TVs and soundbars to AV receivers, etc. — not your HDMI cables. Ultra High Speed HDMI cables are tested to ensure quality for feature-rich 8K content. The Ultra High Speed HDMI Cable Certification Program™ encompasses additional and enhanced cable testing as well as an authentication and verification. Because of this, we strongly recommend that if you have Dolby Vision or HDR10+ AV equipment, you only buy high-speed HDMI cables that are guaranteed to deliver the full 18Gbps and that you test them thoroughly with Dolby Vision or HDR10+ content before installing them more permanently. So why do we need a 48G-rated cable? "Because we're carrying so much data now – we've gone from 18Gbps in HDMI 2.0 to 48Gbps in HDMI 2.1," says Park. "Today we have 'standard speed' and 'high speed' HDMI cables, and 48G will be related to that."
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It's not all about TVs, either; soundbars, AV amplifiers and other audio equipment also benefit from HDMI 2.1 – though it will mean upgrading all of your equipment. The original Standard or Category 1 cables were certified to handle 1080i or 720p video. The later High Speed or Category 2 cables took the bandwidth up from 4.95Gbit/sec to 10.2Gbit/sec, which meant they could transport 1080p video at 60 frames per second or 60Hz, or 4K video at 30fps or 30Hz. Category 3 or HDMI Premium cable reaches 18Gbits/sec and supports 4K video at 60Hz, while the highest spec Category 3 (8K) or Ultra cable can do 4K at 120Hz or 8K at 60Hz. That's still the case with some manufacturers (the Sony A90J OLED features a mix of 2.1 and 2.0 inputs), while others are going all-in on HDMI 2.1 ports on their premium TV ranges. Both LG and Samsung are in this latter camp, and you can expect up to four HDMI 2.1 ports on select sets, especially the new TVs for 2022.
Yes, HDMI 2.1 requires compatible cables, as these need to be able to handle the higher volume of data, as well as the new features that HDMI 2.1 is capable of. Fortunately, these cables do not currently cost much more than their HDMI 2.0 counterparts. Do HDMI 2.1 cables make a difference? In terms of testing, it may be hard to know exactly if a TV has proper HDMI Forum VRR. Since the Xbox One X/S and Xbox Series X each support HDMI Forum VRR and FreeSync, we don't know for certain which format is working on the TV. Once the PS5 gets HDMI Forum VRR support, it'll be easier to know, since the console doesn't support FreeSync. HDMI 2.1 also enabled VRR (variable refresh rate), which helps to keep games looking smooth by switching up the refresh rate on the fly to best suit how much is happening onscreen. That means less image lag, stutter and frame tearing similar to the effect achieved by FreeSync and G-Sync. Colour can also be affected, as Category 1 and Category 2 cables haven’t got the bandwidth to convey the enhanced 10-bit colour depths, or Deep Colour, output by 4K Blu-ray players and 4K HDR consoles, let alone the 12-bit colour depth used by some Dolby Vision screens and 4K Blu-ray players.Speed is the single biggest consideration when choosing an HDMI cable because if your cable isn't fast enough for your specific equipment, HDMI version, and media sources, it won't be reliable. Now we're in 2022, HDMI 2.1 has become much more commonplace. But 2021 is the year it went mainstream. Before that it only received piecemeal support on a handful of high-end sets, often with only one HDMI 2.1 port with two or three HDMI 2.0 ports alongside.
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