Why HDR Formats Matter

High Dynamic Range (HDR) is one of the most impactful improvements in television technology in the past decade. HDR expands the range of brightness and color a display can reproduce, making images look far more lifelike than standard dynamic range (SDR) content. But there isn't just one HDR standard — there are several competing formats, and knowing the differences helps you choose the right TV and streaming setup.

The Core Concept: Static vs. Dynamic Metadata

All HDR formats encode brightness and color information alongside the video signal. The key difference between formats comes down to static vs. dynamic metadata:

  • Static metadata (used by HDR10): A single set of brightness instructions is applied to the entire film or episode. The TV optimizes the picture based on these fixed values.
  • Dynamic metadata (used by Dolby Vision and HDR10+): Brightness instructions are sent scene by scene or even frame by frame, allowing the display to continuously fine-tune the picture for maximum accuracy throughout the content.

HDR10: The Universal Baseline

HDR10 is the open, royalty-free HDR standard supported by virtually every 4K HDR TV and streaming service on the market. Because it requires no licensing fees, it's the minimum bar for HDR certification.

  • Bit depth: 10-bit color (over 1 billion colors)
  • Peak brightness: Up to 10,000 nits (though most TVs hit 500–1,000 nits)
  • Metadata: Static (per-title)
  • Availability: Universal — every HDR TV and streaming service supports it

HDR10 is a solid format and on a well-calibrated TV, the improvement over SDR is immediately obvious. Its limitation is that the static metadata can mean some scenes look too bright or too dark if the mastering values don't match your particular display's capabilities.

Dolby Vision: The Premium Option

Dolby Vision is a licensed, proprietary HDR format developed by Dolby Laboratories. It uses dynamic metadata to adjust the picture on a scene-by-scene or frame-by-frame basis, and it specifies a much higher precision for mastering.

  • Bit depth: Up to 12-bit color
  • Peak brightness: Spec supports up to 10,000 nits (Profile 5 for streaming; mastered up to 4,000 nits for most content)
  • Metadata: Dynamic (frame-level)
  • Availability: Supported by Netflix, Disney+, Apple TV+, Vudu, and many TVs from LG, Sony, TCL, Hisense, and others (notably absent from Samsung TVs)

Dolby Vision is widely regarded as the technically superior format. On a compatible display, it consistently produces more accurate highlights and shadow detail than HDR10 on the same content.

HDR10+: Samsung's Dynamic Answer

HDR10+ is an open (royalty-free) extension of HDR10 developed by Samsung and Amazon that adds the dynamic metadata missing from the original HDR10 standard. It directly competes with Dolby Vision in capability while remaining license-free.

  • Bit depth: 10-bit color
  • Metadata: Dynamic (scene-level)
  • Availability: Supported by Samsung and Panasonic TVs, Amazon Prime Video, and select physical media titles

HDR10+ is technically a strong format, but its ecosystem is smaller than Dolby Vision's. Samsung TVs support HDR10+ but not Dolby Vision, while LG and Sony TVs support Dolby Vision but often not HDR10+.

HLG: The Broadcast Standard

Hybrid Log-Gamma (HLG) deserves a mention as the HDR format designed for live broadcast television. Developed jointly by the BBC and NHK, HLG is backward-compatible with SDR displays and is used for HDR broadcasts on platforms like YouTube, BBC iPlayer, and cable/satellite HDR channels. It doesn't require metadata, making it simpler to broadcast live.

Which Format Should You Care About?

Priority Best Format Reason
Maximum quality Dolby Vision Dynamic metadata, wide streaming support, highest mastering precision
Samsung TV owner HDR10+ Samsung doesn't support Dolby Vision; HDR10+ is the next best thing
Broadest compatibility HDR10 Supported everywhere; always a fallback
Live TV / Broadcast HLG Designed specifically for live HDR broadcast

The good news: most TVs and streaming services support multiple HDR formats, and your device will automatically select the best format both your TV and the content support. Understanding these formats simply helps you know what you're getting — and what to look for when shopping.