Features:
Transfers HD audio and video:
Perfect for HDMI Monitors, A/V Receivers, set-top boxes, HDTV and more with HDMI connectivity.

Supports Full-HD 1080p, up to 1440p. Bring games and other video to life with dazzling clarity.
Increases the maximum resolution to 4K x 2K, i.e.3840 x2160p (Quad HD) at 24Hz/25 Hz/30Hz or 4096 x 2160p at 24Hz

An HDMI Ethernet Channel (HEC) , which allows for a 100Mbit/s Ethernet connection between the two HDMI connected devices so they can share an Internet Connection

Supports HDMI 1.4, Hight Speed Grade.
Adds two additional mandatory 3D formats for broadcast content, which was deferred with HDMI in order to see the direction of the 3D broadcast market.