4K x 2K resolution support: HDMI 1.4 can accommodate 4K resolution at a 30-hertz frame rate.

An added update (HDMI 1.4b, released October 2011) extended 3D capability by allowing the transfer of 3D video at 120 Hz (60 Hz per eye). An update (HDMI 1.4a, released March 2010) adds support for 3D formats that may be used in TV broadcasts, cable, and satellite feeds. It can pass two simultaneous 1080p signals using one connection.

3D over HDMI: HDMI 1.4 accommodates 3D Blu-ray Disc standards.

In other words, when listening to audio accessed by the TV's tuner, you don't need a separate audio connection going from the TV to the home theater receiver.

It passes audio/video signals from the receiver to the TV and also passes audio originating from the TV's tuner to the receiver. Audio return channel: Audio return channel (HDMI-ARC) provides a single HDMI connection between a TV and a home theater receiver.In other words, both Ethernet and HDMI functions are available within a single cable connection. HDMI Ethernet channel: Adds internet and home network connectivity to HDMI.To access the full capabilities of HDMI 2.1 enabled devices, an HDMI cable that supports a 48 Gbps transfer rate is required. Cable support: Bandwidth capability increased to 48 Gbps.

This enables a 3D graphics processor to display the image when it is rendered, allowing for a fluid and detailed gameplay, including the reduction or elimination of lag, stutter, and frame tearing.

Gaming support: Variable refresh rate (VRR) is supported.

eARC is compatible with Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS-HD High-Resolution Audio/DTS HD Master Audio, and DTS:X. HDMI 2.1 also adds eARC, which is an audio return channel upgrade that provides enhanced audio connection capability for immersive surround sound formats between compatible TVs, home theater receivers, and soundbars. Audio support: As with HDMI 2.0 and 2.0a, all surround sound formats in use are compatible.

Expanded HDR support: While Dolby Vision, HDR10, and hybrid log gamma are compatible with HDMI 2.0a/b, HDMI 2.1 supports any forthcoming HDR formats that may not be supported by HDMI version 2.0a/b.

Color support: Wide color gamut (BT2020) at 10, 12, and 16 bits.

Mac book hdmi connector