Display Port 2.1 standard officially released: AMD is expected to use it for the first time

More than three years after the birth of the Display Port 2.0 standard, the VESA organization officially released the Display Port 2.1 standard specification (hereinafter referred to as DP 2.1) today.

DP 2.1 has been connected with the USB Type-C specification and the USB4 PHY specification at the bottom layer, allowing DP and USB4 interfaces to share common PHY physical layer services.

At the same time, DP 2.1 adds a new DP bandwidth management mechanism, coupled with VESA's DSC (Display Stream Compression) encoding and Panel Replay function, which can be implemented on USB4 connection, DP tunnel and other I/O data transmission efficient coexistence.

Among them, DSC encoding can reduce the DP transmission bandwidth by more than 67% without affecting the picture quality, and the panel playback function can reduce the DP tunnel packet transmission bandwidth by more than 99%.

ROG X670E motherboard has done DP and USB4 together

DP 2.1 also upgraded the data line specification synchronously. The first is to extend the length. The DP40 data line can exceed 2 meters, and the DP80 data line can exceed 1 meter, and it does not affect the UHBR performance.

Secondly, the certified DP40 data line can support up to UHBR10 10Gbps, and the combination of four channels is 40Gbps; the DP80 certified data line supports UHBR20 20Gbps, and the combined maximum of four channels is 80Gbps. At both ends of the data cable, there will be a DP40 or DP80 mark, which is convenient for users to distinguish. In terms of product certification and compatibility, VESA said that DP 2.1 remains backward compatible, and all previously certified DP 2.0 products conform to the DP 2.1 specification.

In terms of product support, AMD will release the RX 7000 series graphics cards next month, which is expected to bring DP 2.1 to the first launch. At present, Intel Arc A series graphics cards and AMD Ryzen 7000 series integrated GPUs already support DP 2.0, and NVIDIA RTX 40 series continue to support DP 1.4.