DisplayPort v1.2 support high transmision speed at 21.6G (Display v1.1 @ 10.8G)

DisplayPort v1.2 supports the highest resolution 4Kx2K (4*1080P)

Support 3D

Support uncompressed audio such as LPCM

Support compressed audio such as DTS Digital, Dolby Digital(including DTS-HD and Dolby True HD)