Allowing a maximum video resolution of up to 3840x2160 @30Hz!
HDMI Ethernet Channel - Adds high-speed networking to an HDMI link, allowing users to take full advantage of their IP-enabled devices without a separate ethernet cable
Audio Return Channel - Allows an HDMI-connected TV with a built-in tuner to send audio data "upstream" to a surround audio system, eliminating the need for a separate audio cable
3D - Defines input/output protocols for major 3D video formats, paving the way for true 3D gaming and 3D home theater applications
Additional Color Spaces - Adds support for additional color models used in digital photography and computer graphics