According to the HDMI Forum, HDMI 2.0 is an upgrade over HDMI 1.4, which will be…
Backward compatible with earlier versions of the HDMI specification
Support much higher bandwidth – up to 18Gbps
Add key enhancements for enhancing the consumer video and audio experience
Does not specify a new cable or connector standard
Some specific features this new standard will provide users include:
Resolutions up to 4K@50/60 (2160p), which is 4 times the clarity of 1080p/60
Up to 32 audio channels for a multi-dimensional immersive audio experience
Up to 1,536kHz audio sample frequency for the highest audio fidelity
Simultaneous delivery of dual video streams to multiple users on the same screen
Simultaneous delivery of multi-stream audio to multiple users (Up to 4)
Support for the wide angle theatrical 21:9 video aspect ratio
Dynamic synchronization of video and audio streams
CEC extensions provide more expanded control of devices through a single control point