The first rumors about RDNA 3 begin to leak courtesy of KittyYuko, a reliable source that reveals information about the Navi 33 chip.
Navi 33 based on RDNA 3 is said to have 80 UE and 5,120 cores
The Navi 33 chip, based on an RDNA 3 architecture, would have similar specifications to the Navi 21, which is the high-end chip of the current RX 6000 generation. If we assume that the Navi 33 chip belongs to the mid-range, the mid-range performance of the RDNA 3 would be the same as an RX 6800 XT or RX 6900 XT.
According to the leak, the GPU has a total of 80 processing units and 5,120 cores.
It is rumored that it will be dual chips with 80 compute units, and each chip would have 5,120 cores. This means that the complete RDNA 3 chip could have 160 processing units and 10,240 cores. So a hypothetical Navi 32 would have between 120 and 140 compute units in a multi-chip design.
With this information, the expected performance jump for the RX 7000 series would be pretty significant, as would the step forward with a 5nm process node from TSMC. The new multi-chip design would also benefit from a new integrated cache to further improve performance.
As for the flagship Navi 31 chip, earlier rumors claimed that it would have an MCM multi-chip fusion architecture that includes two compute chips and offers a total of 160 compute units and 10,240 stream processors. If the news is true, the Navi 32-core that sits in the middle is expected to have 120-140 CUs, also with an MCM multi-chip architecture. This means that the next generation of mid-range graphics cards will have similar sexual capabilities to the current RX 6900XT.
The first RDNA 3 GPUs are expected to hit the market in 2022, just in time to compete with Nvidia’s first MCM-designed (Ada Lovelace) GPUs.
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