AMD brings four Ryzen 7000 processors with new architecture, new manufacturing and new substructure. They should tear down Intel’s last performance bastions.
AMDs is making the first platform change in five years and will be selling its new Ryzen 7000 processors for motherboards with the AM5 version from the end of September 2022. Four new CPUs are the first. AMD wants at least 359 euros for the Ryzen 5 7600X entry-level model, the others in ascending order cost 479 euros for the Ryzen 7 7700X with eight cores, 669 euros for the twelve-core Ryzen 9 7900x and 849 euros for the Ryzen 9 7950X. The 50 to 60 euro surcharge compared to the list prices of the predecessors is probably largely due to the strong dollar, but the street prices of the Ryzen 5000 are now significantly lower. This makes the newcomers look very expensive, and you also need new boards and DDR5 memory.
AMD has the Ryzen 7000 manufactured using modern 5-nanometer technology and continues to use the chiplet design, in which the x86 cores and the cache are on their own chip. Another chip, which is manufactured using 6-nanometer technology, is used for function blocks such as memory controllers, USB controllers, PCI Express lanes or, more recently, integrated graphics. The individual units exchange data via an internal network, the so-called Infinity Fabric.
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For the Ryzen 7000, AMD has significantly increased the clock frequencies compared to its predecessors, enlarged some of the fast caches and, in addition to a number of other improvements to the microarchitecture, also installed the AVX-512F instruction set extension as well as VNNI and support for the BFloat16 data format, whose new and extended instructions also include AI applications can use. Intel has just banned AVX-512 from its hybrid desktop processors again, but continues to use it in server processors. Unlike Intel, the data types that are twice as wide do not run over their own power and space-consuming transistor blocks, but are broken down into two chunks one after the other over the AVX2 units that are available anyway. As a result, AXV-512 does not increase the computing throughput with Ryzens, but you can use software optimized for AVX-512.
