HDR Formats Decoded: HDR10, Dolby Vision, HLG, and HDR10+ Compared

Why HDR Format Matters Beyond the Logo

HDR — High Dynamic Range — is a display technology that expands the range between a screen's darkest blacks and brightest highlights, while also widening the palette of colors a TV can reproduce. What the marketing labels rarely explain is that HDR is not a single standard. At least four distinct formats exist, each with different approaches to delivering that expanded range, and the differences between them affect what you see on screen in very real ways.

Understanding which format a TV supports — and which your streaming service, Blu-ray player, or cable box actually delivers — removes one of the most confusing layers of TV shopping. It also connects directly to other display decisions: panel technology and backlight architecture both influence how well any HDR format actually renders on your screen.

The Four Main HDR Formats Explained

HDR10

HDR10 is the industry baseline. It uses static metadata — meaning brightness and color instructions are set once for the entire film or episode, rather than adjusted moment to moment. It supports up to 10,000 nits of peak brightness in specification, though real-world content is typically mastered far lower. Nearly every HDR-capable TV, streaming service, and Ultra HD Blu-ray disc supports HDR10, making it the common language of high dynamic range video.

Dolby Vision

Dolby Vision layers dynamic metadata on top of an HDR10 signal. This means brightness and color mapping can be adjusted on a scene-by-scene — or even frame-by-frame — basis, allowing the display to more precisely follow the content creator's intent. Dolby Vision also supports a higher peak brightness specification (up to 10,000 nits) and 12-bit color depth versus HDR10's 10-bit. It requires a licensing agreement from Dolby, so it's more common on mid-range and premium televisions than on entry-level sets.

HLG (Hybrid Log-Gamma)

Developed jointly by the BBC and NHK, HLG takes a different approach: it requires no metadata at all. Instead, it uses a signal encoding that can be displayed on both standard and HDR-capable screens, making it ideal for broadcast and live television where inserting per-title metadata isn't practical. HLG is widely adopted for live sports, news, and over-the-air 4K broadcasts.

HDR10+

HDR10+ was developed by Samsung and standardized as a royalty-free open format. Like Dolby Vision, it uses dynamic metadata — adjusting HDR mapping scene by scene — but without the licensing fees Dolby charges. It is supported on select streaming platforms and is common on Samsung televisions, though its content library remains smaller than Dolby Vision's.

What Actually Determines HDR Picture Quality

Format support is only part of the picture. A TV that lists Dolby Vision compatibility but has a peak brightness of only 400 nits will not display Dolby Vision content the way it was mastered. The display hardware — specifically its peak brightness, local dimming capability, and color volume — sets the ceiling for what any format can deliver.

This is why panel technology comparisons matter alongside HDR format discussions. An OLED panel with Dolby Vision and a Mini-LED panel with Dolby Vision will render the same content differently — both legitimately, because each technology has distinct strengths in contrast and brightness. Similarly, resolution and HDR work together: 4K HDR content delivers a noticeably richer image than 4K SDR when the display can support it.

Content availability is also a practical factor. HDR10 is on virtually everything. Dolby Vision titles are plentiful on major streaming platforms but require the service and your TV both support it. HDR10+ has a narrower library. HLG is the format to look for in live broadcast contexts.

How to Match Format Support to Your Setup

When evaluating HDR format support, consider three points of the chain: the source (streaming service, disc, or broadcast), the playback device (smart TV apps, streaming stick, or Blu-ray player), and the display itself. All three need to support the same format for it to activate.

• Check your streaming services: Most major services support HDR10 and Dolby Vision; fewer support HDR10+. Check the platform's help pages for a current list of supported formats.
• Verify your TV's format list: Manufacturers list supported HDR formats in specifications. A TV that supports only HDR10 still delivers genuine HDR — it simply won't use dynamic metadata.
• Don't overlook HLG if you watch live TV: If broadcast or cable 4K content is part of your routine, HLG support ensures compatibility with that pipeline.

For a deeper look at how audio formats like Dolby Atmos fit alongside display decisions, the same format-matching logic applies — source, device, and receiver all need to align.