In temporary: AMD’s RDNA 3 GPUs are anticipated to interrupt cowl someday later this yr. Rumors across the new designs have began pouring as of late, and certainly one of them suggests Team Red is returning to chiplet designs with the RX 7000 collection.
The final time AMD performed with the chiplet design idea in shopper desktop GPUs was again within the Vega period, with the Vega 56/64 and the decidedly prosumer-oriented Radeon VII. Those playing cards by no means actually took off with avid gamers, so the corporate went again to monolithic designs for its Navi (RX 5000 collection) and Big Navi (RX 6000 collection) GPUs.
However, the rumor mill is abuzz once more with hints that AMD could also be returning to the chiplet GPU sport with RDNA 3 designs. According to dependable leaker Greymon55, Team Red’s next-generation GPUs may are available packs of as much as seven chiplets.
We already know that AMD goes to faucet TSMC for the manufacturing of those new GPUs, however Greymon55 appears to consider the corporate will go together with a mixture of course of nodes for the varied chips concerned. For occasion, the Navi 31 GPU could also be comprised of two 5nm Graphic Complex Dies (GCD), 4 6nm Memory Complex Dies (MCD), and an interconnect controller die.
At this level, it is not clear if these are vertically stacked and whether or not the rumored 512 megabytes of Infinity Cache will reside in these 4 MCD modules. Either means, going with a chiplet design will little question assist with yields, that are identified to be worse on 5 nm and 4nm course of nodes.
Other rumors point out that the flagship RDNA 3 GPU may sport a whopping 15,360 cores paired with 32 gigabytes of GDDR6 reminiscence. Additionally, the mid-range RX 7700 would possibly find yourself near the RX 6900 XT by way of efficiency, which might be a exceptional generational enchancment.
Meanwhile, Nvidia is readying its Ada Lovelace GPUs, which will likely be monolithic designs with a wider, 384-bit reminiscence bus and a few scary energy necessities. According to individuals who dug through the leaked knowledge from the Lapsus$ hack, Team Green would possibly even take a web page from AMD’s e-book and improve the dimensions of the L2 cache on its RTX 40 collection GPUs to as a lot as 96 megabytes — as much as 16 instances greater than Ampere GPUs.
If all goes nicely, RDNA 3 playing cards will launch later this yr, hopefully in a greater local weather the place the availability chain is not in a continuing battle to safe important supplies and parts and hold factories operational.