AMD announces 7900 XTX and 7900 XT graphics cards with FSR 3

AMD RDNA 3 Graphics Cards

AMD RDNA 3 graphics cards feature new architecture that boosts performance in games. They also feature AMD's new Infinity Cache technology, which means they're much faster than previous-generation GPUs. These new AMD graphics cards are great for gamers who enjoy extreme detail and realism.

AMD RDNA 3 architecture

AMD's next-generation graphics cards are expected to use the RDNA 3 architecture. The chip will have an optimized graphics pipeline and use the next-generation Infinity Cache. The RDNA 3 will also be manufactured using the 5nm process node. The chip will have dual CUs and twice as many SIMD32 clusters as the current generation of AMD graphics cards.

The RDNA 3 architecture features 64-threads and 32-bit memory interfaces. It has a chaplet-like structure that breaks chip components into chaplets that communicate through an ultra-fast interface. This allows AMD to use cutting-edge 5nm technology for the graphics processing cores and more mature 6nm chips for memory caching. The chaplet-based design was first used in AMD's Ryzen processors, which made it a hit in the industry. Other chip manufacturers such as Intel, TSMC, and Samsung have also looked into the technology.

AMD has said that the new RDNA 3 architecture will offer 50% higher performance per watt than the current RDNA 2 design. The chipmakers claim that the new architecture is smaller, which will lower the cost of manufacturing. It will also be more efficient, which should help AMD boost their sales. AMD has already released a prototype of the RDNA 3 and is working with several manufacturers to develop the chips.

The AMD RDNA 3 architecture is expected to be available in November. It will compete with the Nvidia RTX 4000 Series graphics cards and the Intel Arc. This architecture also utilizes a chip stacking technique, which AMD has previously used in its high-end processors.

AMD Infinity Cache

Unlike the Navi 31 and Navi 32, which have the same core count, the AMD RDNA 3 is set to have a slightly different configuration. The cut-down model will have less memory bandwidth but will still have the same amount of computing units. The GPU will still have twelve-thousand ALUs and 42 WGPs. It will also have a 320-bit wide bus interface. In addition, it will feature eighty MB of Infinity Cache.

Infinity Cache is one of the biggest improvements AMD made on the RDNA 2 GPUs, and it is expected that this new feature will be an integral part of the RDNA 3 graphics card. This new feature works similarly to the L3 cache found in AMD CPUs. While graphics cards usually don't have an L3 cache, AMD is mimicking the approach of CPUs by adding a large internal cache to the GPU.

The new chillers also include dedicated AI accelerators and improved raytracing capabilities. They decouple memory clock speeds from computing unit speeds, thereby enabling GPUs to get better performance from DirectX raytracing. In addition, the chillers also feature the second-generation Infinity Cache, which streamlines the use of available memory. As a result, the chips consume less power and time. They also have lower latency.

AMD is preparing to unveil some of the new RDNA 3 graphics cards at its upcoming RDNA 3 reveal stream on November 3 and then release the new cards on the same day. The company's trademark filing lists several GPUs by name, so it's likely to come out later this year.

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