Compare AV1 and H.265 for efficiency, device support, encoding speed, and modern delivery workflows.
Codec comparison

AV1

vs
H.265

Both aim for better compression than older codecs, but they differ in licensing, hardware support, encoding speed, and where they fit best.

TL;DR: AV1 is attractive for modern web delivery and royalty-free adoption. H.265 is often easier in existing device ecosystems and mature 4K workflows.
Streaming • Efficiency • Support

TL;DR

AV1: modern, efficient, royalty-free.

H.265: established, efficient, widely used in devices.

AV1 vs H.265 at a glance

FeatureAV1H.265 / HEVC
Compression efficiencyVery strong, often discussed as a major step forward for web delivery.Very strong, widely used for efficient 4K delivery.
LicensingRoyalty-free positioning is a major attraction.Licensing is more complex and can affect workflow decisions.
Encoding speedOften slower and heavier.Also demanding, but more mature in many production tools.

Use AV1 when...

  • You are optimizing for modern web and streaming delivery.
  • You want a royalty-free option.

Use H.265 when...

  • You are working in an existing 4K or device-focused workflow.
  • Your playback environment already handles H.265 well.

Key takeaway

AV1 is more future-facing. H.265 is often easier in established ecosystems.