AMD Navi 31 will have 15,360 stream processors, RDNA 3 architecture products will be released in 2022Q3 at the earliest

by ddos ·

In addition to the news of Nvidia Hopper/Lovelace architecture, there are also rumors about AMD’s next-generation RDNA 3 architecture and Navi 31. Radeon RX 7900 XT is likely to be equipped with this GPU. In fact, as early as a few months ago, there was sporadic news concerning the RDNA 3 architecture and Navi 3x.

At that time, it was revealed that the Navi 31/32 core will be packaged in MCM multi-chip packages, both of which have two chiplets, the Navi 31 reaches 160 CUs and the Navi 32 reaches 120-140 CUs. The Navi 33 core will have the same specifications as the current flagship Navi 21 core, that is, 80 CUs, or 5120 stream processors.

According to recent news compiled by 3DCenter, there will be a total of 240 CUs in the Navi 31 core, which is 15,360 stream processors. This is larger than previously rumored, and there will be a larger Infinity Cache, which will reach 256MB or 512MB, but the video memory bit width is still maintained at 256 bits, still GDDR6. In addition, it is rumored that Infinity Cache will be added to the MCD chiplet, which is similar to the principle of using 3D V-Cache on the Zen 3 architecture.

Due to the sharp increase in CU data and the need to change the original structure, AMD will use WGP as the main computing module. Each computing chip in the Navi 31 core will have 30 WGP, each WGP has 256 stream processors, which means that each computing chip can provide 7680 stream processors, then a Navi 31 core will reach the scale of 15,360 stream processors. Compared with Nvidia’s Ada Lovelace, AMD can provide more efficient products.

It is rumored that the RDNA 3 architecture will surpass any NVIDIA product in traditional rasterization performance. AMD’s Radeon RX series graphics cards will be the first to adopt MCM multi-chip packaging, and the chips in the Navi 31 core will be manufactured by mixing and matching TSMC’s 5nm and 6nm processes, expected to debut in the third or fourth quarter of 2022.

Tags: AMD Navi 31RDNA 3