High speed: 10.2 Gbps bandwidth support the demands of future high definition display devices, such as higher resolutions, Deep color and high frame rates.
Deep color: HDMI 1.3 supports 30-bit, 36-bit and 48-bit (RGB or YCbCr) color depths, up from the 24-bit depths in previous versions of the HDMI specification.
Broader color space: Next-generation " XVYCC " color space supports 1.8 times as many colors as existing HDTV signals.
Lip sync: HDMI 1.3 incorporates and automatic video / audio synching capability that allows devices to perform this synchronization automatically with total accuracy.
New mini connector: Offers a new, smaller form factor connector option.
New lossless audio formats: HDMI 1.3 adds additional support for new, lossless compressed digital audio formats Dolby true HD and DTS-HD