Navi would continue to use the gcn graphic architecture
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AMD has begun to introduce the first hints of Navi into its open source Radeon controllers, paving the way for compatibility with the new generation. In the latest AMD drivers, references to "gfx1010" have been discovered, indicating a tenth-generation graphics architecture that will succeed AMD's ninth-generation Vega microarchitecture.
AMD Navi would continue to use the Vega and Polaris GCN graphics architecture
Within the drivers something somewhat 'negative' was discovered about Navi, a reference to “EF_AMDGPU_MACH_AMDGCN_GFX1010” suggesting that Navi will be another iteration of AMD's GCN architecture, when the company was expected to leave it behind.
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Could continuing betting on the GCN architecture (which was born with the HD 7000 series) could limit the performance jump? It is difficult to answer that at this time.
AMD Graphics Core Next (GCN) has been a part of all Radeon graphics cards since 2012 with the launch of its HD 7000 family of graphics cards. When AMD refers to Navi as a GCN graphics card, what it means is that Navi will continue to use the same instruction set architectures as Vega, Polaris, and the older GCN-based graphics cards.
If we were guided by the background, the supremacy of NVIDIA in the field of graphics cards coincides precisely with the use of the GCN architecture by AMD in its Radeon graphics, especially from the year 2015 onwards. It is normal for many people to take a dim view of this movement.
Either way, that doesn't stop AMD from making many changes internally for competitive performance. It is something we will find out during this year, when the first Navi-based graphics hit the market.
Overclock3D fontAmd polaris announced, new graphic architecture gcn 4.0
Announced the new AMD Polaris graphics architecture that focuses on a huge increase in energy efficiency and a huge increase in performance.
Amd would be working on a new gpu architecture to succeed gcn
AMD would already be working on a new graphics architecture to succeed the already highly obsolete GCN that hit the market in 2011.
The amd zen 5 architecture is under development and would use a 5nm node
The AMD Zen 5 core was confirmed by AMD some time ago in its slides during the launch of Zen +.