![]() Certainly for Full HD, that is simple enough with the current graphics cards, but 2K HFR fits within the HDMI 2.0 bandwidth. Gamers can offer HFR (via console or PC). For example, live TV would benefit from 100 or 120fps for sports. In terms of the required bandwidth, we really speak of HFR at frame rates above that. Frame rates up to 60fps are already possible on (Ultra HD) Blu-ray, and on your TV. In the film industry, we speak of HFR as soon as more than 24fps are used (think of the Hobbit versions at 48fps). Is HFR support important? For traditional content? To a limited extent. Full HD HFR is often referred to as 2K HFR. Again, it is therefore best to specifically check whether the model in question supports HFR or not. But the presence of HDMI 2.1 does not in itself guarantee that the TV in question also supports HFR. High Frame Rates is specifically, this is not an HDMI 2.1 feature, but in some cases (4K HFR) there is a need for the higher bandwidth that HDMI 2.1 offers. The latest generation of consoles (PS5, XboX Series X) will probably offer 4K / 120fps. The Xbox One supports HFR but only in 1080p or 1440p. That’s about PC gamers using a very powerful GPU. For 4K TVs, that extra bandwidth is only relevant for HFR sources. Although we must say that they are not really at the door. The extra bandwidth of HDMI 2.1 is really a necessity on 8K models, so you are ready for any 8K sources. Everything with 8K (we leave out 5K, that is not a usual resolution for televisions).With this in mind, which features are really important? More bandwidth in generalĪs can be seen from the table at the start of this article, the extra bandwidth of HDMI 2.1 is mainly required in the following scenarios: It is certainly not enough to just look at the HDMI version. That means that as a consumer you have to stay alert when you want certain features. Manufacturers are also free to provide only as much bandwidth as they deem necessary. As a simple example: not every port offers ARC. That has always been the case, even with previous versions. After all, the HDMI specification does not oblige manufacturers to offer all features on a connection. Unfortunately the designation HDMI 2.1 is not unambiguously. In addition, HDMI 2.1 brings a number of new features, such as dynamic metadata for HDR, VRR (Variable Refresh Rate), ALLM (Auto Low Latency mode), eARC (Enhanced ARC), QFT (Quick Frame Transport), QMS (Quick Media Switching) and DSC (Display Stream Compression). Full HD / 120 fps is not shown in the table, but you can also realize that with HDMI 2.0. If the “Speed” column says Ultra or Ultra #, it means that you need an HDMI 2.1 connection. Any resolution / fps combo that you find in the “Speed” column Standard, High Speed, or Premium is still possible with HDMI 2.0. The figure below shows which resolutions are possible with HDMI 2.1. Those higher bandwidths are necessary for future resolutions (8K and higher) and frame rates (100fps and higher). ![]() It increases from 18 Gbps (HDMI2.0) to 48 Gbps (HDMI2.1). The announcement of HDMI 2.1 emphasized the higher bandwidth of the new version. A question we often hear is: why don’t they have HDMI 2.1? That is why we go through all the features in this article so that you have a good idea of what you may or may not need. But not every TV model is equipped with all new features. The introduction of the HDMI 2.1 specifications has been behind us for some time now.
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