1, different performance: the bandwidth and transmission rate of DP interface and HDMI interface are different. The maximum total bandwidth of DP interface main link is 32.40Gbps, the maximum total data rate is 25.92Gbps, the maximum transmission rate of HDMI interface main link is 48Gbps, and the maximum data rate is 42.6Gbps.
2, the cost is different: DP interface is free to use, HDMI interface is charged a certain copyright fee, and a certain fee is paid to HDMI Association every year.