Everyone was surprised to know that NVIDIA’s GeForce RTX 40 Series did not support DisplayPort (DP) 2.0 as it supports only DP 1.4a. It wasn’t incorporated into the GeForceGeForce RTX 30 Series or the Radeon 6000 Series, the possible reason being that it was too late to incorporate it. Only Intel discrete Arc GPUs support DP 2.0 at the moment but looks like it could change.
According to Kyle Bennett’s sources, he verified on Twitter that AMD Navi 31 GPU will most likely support the upcoming DisplayPort 2.1 specification. The specifications for DP2.1 remain unknown at the moment but it could support UHBR20 (20 Gbit per lane) by standard.
Check out Kyle Bennett’s tweet below:
The highest-spec’d implementation of DP 2.0 allows upto 80 Gbit/s of bandwidth through 4 lanes at the moment. It supports many configurations such as one 16K display at 60Hz, two 4k displays at 144Hz or three 4k displays at 90Hz.
The DP 1.4a which is supported by GeForce RTX 40 GPUs is the extension with DSC (Display Stream Compression) 1.2a. The DP 1.4a supports upto 8k display at 60Hz or 4k display at 120Hz (with 30bit/pix color and HDR but without DSC). A monitor requiring higher specifications would also require using DSC.
In an official Community Q&A, NVIDIA explained that DisplayPort 2.0 is still ‘a ways away in the future’.
In May of this year, a leak which featured AMD RDNA3 GPU and Linux DCN32/321 patches confirmed that the architecture will support UHBR20, which also kinda confirms the DP 2.0 implementation.
About Advanced Micro Devices
Advanced Micro Devices (AMD) is an American multinational semiconductor company headquartered in Santa Clara, California.
AMD develops computer processors and related technologies for business and consumer markets. AMD’s main products include microprocessors, motherboard chipsets, embedded processors and graphics processors for servers, workstations, personal computers and embedded system applications.
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