Following are the specifications for the HDMI audio/video interface. See
HDMI.
Band Top
HDMI Width Max Refresh
Version (Gbps) Res (Hz)
2.2 96 12K 120*
2.1b 48 10K 120*
2.1a 48 10K 120*
2.1 48 10K 120*
2.0b 18 8K 120*
2.0b 18 4K 60
2.0b 18 2K 144
2.0/2.0a 18 8K 120*
2.0/2.0a 18 4K 60
2.0/2.0a 18 2K 144
1.4 10.2 4K 60
1.3 10.2 4K 60
1.2 4.95 2K 60
1.1 4.95 2K 60
1.0 4.95 2K 60
* Highest refresh uses VESA DSC
(see VESA Display Stream Compression).
HDMI 2.2 (2025)
Support for 12K resolution. Bandwidth doubled from 48 to 96 Gbps. New Ultra96 cables required.
HDMI 2.1 (2017); 2.1a (2022); 2.1b (2023)
HDMI 2.1 added support for 10K resolution, scene-by-scene Dynamic HDR and ARC for high-end surround sound (eARC). New ultra high-speed 2.1 cables required. HDMI 2.1a added source based tone mapping (SBTM), allowing source devices to tell the display how to handle tone mapping. HDMI 2.1b added support for 10K resolution using DSC (see
VESA Display Stream Compression).
HDMI 2.0 (2013); 2.0a (2015); 2.0b (2016)
Increased 4K frame rate without needing new cables. Support for 32 audio channels, two simultaneous video streams, the Rec. 2020 color space, 3D at 25 fps and a super-wide 21:9 aspect ratio. HDMI 2.0a added support for high dynamic range (HDR) metadata, and HDMI 2.0b added hybrid log gamma (see
HLG). See
ITU-R HD standards.
HDMI 1.4 (2009)
Added home theater enhancements, 4K resolution, 3D, Blu-ray 3D, Ethernet sharing and audio return channel (see
HDMI ARC). See
HDMI 1.4.
HDMI 1.3 (2006)
Support for 4K, double the bandwidth, 16-bit color depth (see
color depth) and gamut (see
xvYCC). HDMI 1.3 added lip sync, surround sound modes (see
True HD and
DTS) and cable categories (see
HDMI cable types).
HDMI 1.1 (2004); 1.2 (2005)
HDMI 1.1 added support for DVD-Audio. HDMI 1.2 added support for the DSD encoding used in the Super Audio CD (SACD) format. See
DSD.
HDMI 1.0 (2002)
Support for HDTV (1920x1080).