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AMD officially released a new generation of graphics cards

Date: 29-10-2020 ClickCount: 503

AMD released the RX 6000 series graphics cards based on the RDNA2 architecture. The first models are RX 6800, RX 6800 XT and RX 6900 XT, with a starting price of US$579. In terms of data indicators, RDNA2 has doubled its performance compared to RDNA (RX 5700 XT), and its performance per watt has increased by 54%.

Back to the GPU architecture itself, what attracts more attention is the newly introduced Infinity Cache and Smart Access Memory, which are a set of innovative caching and video memory technologies.

RDNA2 architecture

AMD revealed that Infinity Cache is adjusted based on Zen3's three-level cache. All three graphics cards are configured with 128MB. The benefits include access to ray tracing data, reducing frequent calls to video memory, and achieving larger than 384bit under 256bit width. Throughput bandwidth, etc.

As for the smart access technology, it allows the CPU to directly access the full-capacity video memory instead of the 256MB locked by the previous PCIe device, while reducing video memory fragmentation and further increasing the frequency. AMD pointed out that smart access technology needs to be used in conjunction with Zen3 architecture Ryzen 5000 processors and 500 series motherboards at this stage. As for whether there will be official announcements for other Zen architecture processor development in the future, please wait.

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