Winner: HDR10+ and Dolby Vision. Dolby Vision and HDR10+ use dynamic metadata to change the tone mapping on a scene-by-scene basis. As for HDR10, since it uses static metadata, the tone mapping is the same across the entire movie or show, so content doesn't look as good. Dynamic formats like Dolby Vision and HDR10+ can tone map on a scene-by-scene basis, and sometimes the content is tone-mapped by the source, which saves processing power required from the TV. There's more of a gentle roll-off as colors reach their peak luminance, so you don't lose any details, but the overall highlights are dimmer than on a TV that uses clipping.īetween the three HDR formats, the differences are how each TV deals with tone mapping. Even if it doesn't necessarily display the required shade of red, at least the image will still look good. The other common method is where the TV remaps the range of colors, meaning it displays the required bright colors without clipping. The first is called clipping, where a TV gets so bright that you don't see details above a certain level of brightness, and there aren't any visible colors above that brightness. In other words, if an HDR movie has a bright red in a scene, but the TV can't display that particular shade of red, what does it do to make up for it? There are two ways for a TV to tone map colors to deal with it. Tone mapping tells us how well a TV can display colors that it doesn't display. Winner: Dolby Vision and HDR10+. They are better at adapting to scenes that have very different lighting. However, some TV manufacturers ignore the metadata, and the TVs use their own tone-mapping to master content, in which case the HDR format's metadata doesn't matter, and the performance comes down to the TV. This provides a better overall experience, as dark scenes won't appear too bright. Dolby Vision and HDR10+ improve on this by using dynamic metadata, which allows it to tell the TV how to apply tone-mapping on a scene-by-scene or even on a frame-by-frame basis. With static metadata, the boundaries in brightness are set once for the entire movie or show and are determined by taking the brightness range of the brightest scene. One of the ways the three formats differ is their use of metadata. Adjusts the brightness and tone mapping per scene.So if the content is mastered at 1,000 cd/m², you want it to display content exactly at 1,000 cd/m². HDR content is mastered at a certain brightness, and the TV needs to match that brightness. When it comes to watching HDR content, a high peak brightness is very important as it makes highlights pop. Winner: Tie between Dolby and HDR10+. Even if both HDR10+ and Dolby Vision can support content with higher bit depth above 10-bit, most content won't reach that, and streaming content is always capped at 10-bit color depth, so there's no difference between the two dynamic formats. Both Dolby Vision and HDR10+ can technically support content above 10-bit color depth, but that content is limited to Ultra HD Blu-rays with Dolby Vision, and even at that, not many of them go up to 12-bit color depth. 12-bit displays take it even further with an incredible 68.7 billion colors. 8-bit TVs display 16.7 million colors, which is typically used in SDR content, and 10-bit color depth has 1.07 billion colors. If a TV has higher color depth, it can display more colors and reduce banding in scenes with shades of similar colors, like a sunset. This is especially so if you're using the tablet on the go, at your desk, and for business reasons as well as leisure.What it is: Proprietary standard for HDR made by Dolby.Ĭolor bit depth is the amount of information the TV can use to tell a pixel which color to display. They are two small, but pretty important, upgrades that might be worth the extra $30 for some. It's pretty clear these two tablets are effectively identical, but for two key differences: the Plus version has more RAM and has wireless charging capability.
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