3D Support – Supports several different methods of rendering 3D images. 
Audio Return Channel – Allows the HDMI connection between a television and A/V receiver to transmit audio both ways, both upstream and downstream. This eliminates the need for a separate audio cable and ensures you maintain the high digital audio quality of HDMI. 
4K x 2K Support – Resolution equivalent to state-of-the-art digital cinema projectors. 
4K x 2K represents resolutions of 3840×2160 and 4096×2160. 
More Colour Spaces Supported – Supports three more colour space options, sYCC601 colour, Adobe RGB Colour and Adobe YCC601 colour in addition to the X.V colour support previously supported by Deep Colour. 

24K gold plated connectors deliver the most accurate transmission of picture and sound 
Triple layer shielding of tinned copper braid over dual layer aluminium (mylar) foils for maximum EMI suppression. 
Tin plated high purity Oxygen Free Copper (OFC) stranded conductors minimize resistance and signal loss ensuring maximum signal quality 
Gas injected dielectric 
Die cast zinc back shells with pearl chrome finish 
Integrated molded strain relief 
Low profile easy grip connectors 
Fully HDCP compliant