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AMD Allegedly Working on Next-Gen GPU with as many as 13 Chiplets, Coming in 2024?

AMD’s Radeon Division is busy cooking up all kinds of monstrosities. The chipmaker is allegedly working on a massive 13-chiplet GPU featuring up to four GCDs (Graphics Compute Dies) and nine Memory Complex Dies (MCDs). This would result in an absolutely maniacal configuration packing close to 20,000 shaders and 36GB (?) of GDDR6/7 memory alongside a gaping 512-bit+ bus. Now, these specs do sound a little over the top and probably are but we’re almost certainly looking at a next-to-next-gen GPU that won’t pop up in retail before 2024.

Update: It looks like it’ll be a 3D stacked V-Cache variant of Navi 31.

https://twitter.com/greymon55/status/1563503758570426368
GPU NameRX 7700 XT (Navi 33)RX 7800 XT (Navi 32)RX 7900 XT (Navi 31)RX 7950 XT (Navi 30?)
Process Node6nm5nm + 6nm5nm + 6nm5nm + 6nm
Die Config6nm x15nm x1, 6nm x45nm x1, 6nm x55nm x1, 6nm x6
Shader Engines2466
WGPs16324848
CUs32649696
Cores4,0968,19210,752?12,288
Memory Bus128-bit256-bit320-bit?384-bit?
Memory TypeGDDR6GDDR6GDDR6GDDR6
Memory Capacity8GB16GB20GB?24GB?
Infinity Cache64MB128MB192MB192MB?
TGP200W250W?300?350W?
LaunchQ4 2022Q1 2023Q4 20222023

This is probably an RDNA 4 design with additional architectural upgrades. The process node will likely remain the same or be replaced by the N3 3nm or the N4 4nm process depending on how the volume production progresses. The Infinity Cache (L3) ought to get an upgrade as well, though not by much. The bulk of the performance improvements will come from process and packaging enhancements. The graphics core shouldn’t undergo much of a change either as RDNA 3 is already a massive overhaul.

Read more about the RDNA 3 microarchitecture in the below post:

Areej Syed

Processors, PC gaming, and the past. I have been writing about computer hardware for over seven years with more than 5000 published articles. Started off during engineering college and haven't stopped since. Mass Effect, Dragon Age, Divinity, Torment, Baldur's Gate and so much more... Contact: areejs12@hardwaretimes.com.
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