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AMD RDNA 3: New GPUs may support 16K HDR with DisplayPort 2.0



AMD RDNA 3: New GPUs may support 16K HDR with DisplayPort 2.0

AMD RDNA 3, the next generation of GPU from the manufacturer, is still far away and there is no official news very precise, but the information that leaks speak of a significant evolutionary leap that could lead, for example, to support for 16K resolution with HDR through DisplayPort 2.0.

According to some clues found by the Phoronix site within six new patches released by AMD for Linux drivers, there are some traces on the future support for DisplayPort 2.0 for RDNA 3, which would pave the way for much more advanced video specifications than currently used.

The specifications of the Video Electronics Standards Association (VESA) for the DisplayPort 2.0 standard speak of a data band of 19.34Gbps through four channels, for a total of 77.37Gbits. This is about three times the bandwidth that DisplayPort 1.4a currently uses, and 61% more than HDMI 2.1 with its 48Gbps.

On a theoretical level, such a data band should allow 8K at 60Hz with HDR or 10K at 60Hz without compression. By adding Display Stream Compression (DSC), it would be possible to achieve 16K at 60Hz HDR in 4: 4: 4 format. These are, however, only guesses: it is not certain that the AMD RDNA 3 GPUs can actually reach such a flow of data, but at least the limit for the next generation is set very high.

For the moment, the first information on RDNA 3 talked about the Navi 33 GPU with 80 CUs and 5120 cores, in addition to the strange rumors, which have become a sort of meme, about the alleged RDNA 3 features present in PS5.

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