AMD Navi 22 “Navy Flounder” is said to have 2,560 stream processors

AMD will unveil the next generation of processors and graphics cards in October, but as there are still weeks ahead, there is plenty of time for leaked details until then. The latest round of revealed specifications applies to the graphics cards in the Radeon RX 6000 series and comes from AMD themselves, in the form of an update of the open development platform ROCm. The information applies to the Navi 22 “Navy Flounder” circuit which is expected to take place in the Radeon RX 6700 and RX 6800 performance cards.

Image source: Stblr on Reddit.

The alert Reddit user Stlbr is once again responsible for intercepting the details revealed in the ROCm update, which is reported via TUM_APISAK. The details apply to the graphics circuit with the code name “Navy Flounder”, which according to previous reports is the code name for Navi 22. The data consists of a table with values, where the top three are multiplied to show the circuit’s number of calculation units (CU).

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The number of calculation units for “Navy Flounder” measures 40. If the RDNA 2 architecture in the Radeon RX 6000 series sticks to the 64 stream processors per CU the company uses in the current lineup of graphics cards, it means that “Navy Flounder” is equipped with 2,560 stream processors. This is the same number that is in the current flagship Radeon RX 5700 XT, however, the advances that have been made in the new architecture RDNA 2 are added.

Another detail that gossips about the capacity of the circuit is the number of channels for texture cache, where the number typically indicates the capacity of the memory bus. The number of channels here measures in at 12, which suggests that “Navy Flounder” is equipped with a 192-bit memory bus. It should be noted, however, that this relationship does not always apply, so this specification may be considered highly speculative. According to previous reports, this memory bus is expected to be accompanied by up to 12 GB of graphics memory.

In accordance with the graphics segmentation of graphics card makers, both Navi 22 and its big sibling Navi 21 “Big Navi” consist of several graphics circuits. Navi 22 will probably be divided into several variants where the higher configuration is expected to be the basis for Radeon RX 6800 while a simpler variant will take place in Radeon RX 6700. According to information, the name for a Navi 22 circuit will be GFX1031, while a larger Navi 21- variant gets the circuit name GFX1030.

According to reports based on AMD’s updated graphics drivers from this spring, the Navi 21 “Big Navi” will not only be a big step up in terms of the number of stream processors. The data also indicates a doubled number of graphics queues set against Navi 22, where a graphics queue (GFX Pipe) refers to the various steps performed on a graphics card that is to render a 3D scene. This should thus provide a marked increase for both traditional raster performance and the large circuit ray tracing-capacity. The number of media devices (VCN 3.0) is also doubled to “Big Navi”, which according to reports supports the AV1 video codec format.

AMD unveils the Radeon RX 6000 series on October 28 with presumed availability shortly thereafter, as the new graphics cards will hit the market before Microsoft and Sony launch the Xbox Series X / S and Playstation 5 game consoles, respectively.

Read more about the AMD Radeon RX 6000 series:

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