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Zen 3 is the last microarchitecture before AMD switched to DDR5 memory and new sockets, which are AM5 for the desktop "Ryzen" chips alongside SP5 and SP6 for the EPYC server platform and sTRX8. [3] According to AMD, Zen 3 has a 19% higher instructions per cycle (IPC) on average than Zen 2. On April 1, 2022, AMD released the new Ryzen 6000 ...
AMD Zen 4 Family 19h – fourth generation Zen architecture, in 5 nm process. [5] Used in Ryzen 7000 consumer processors on the new AM5 platform with DDR5 and PCIe 5.0 support. Adds support for AVX-512 instruction set. AMD Zen 5 Family 1Ah – fifth generation Zen architecture, in 4 nm process. [6] Adds support for full-width AVX-512 pipeline.
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Zen 3 with 3D V-Cache was officially previewed on May 31, 2021. [33] It differs from Zen 3 in that it includes 3D-stacked L3 cache on top of the normal L3 cache in the CCD, providing a total of 96 MB. The first product that uses it, the Ryzen 7 5800X3D, was released on April 20, 2022. The added cache brings an approximately 15% performance ...
Prior to this, Zen was available in an experimental form on the webpage zen.yandex.ru. [9] [39] In the following months, other types of content were added to Zen, such as image galleries, articles, blogs, forums, videos from YouTube, etc. [40] [9] [41] In 2017, Zen launched Narratives, a special content format for mobile devices.
The Ryzen family is an x86-64 microprocessor family from AMD, based on the Zen microarchitecture.The Ryzen lineup includes Ryzen 3, Ryzen 5, Ryzen 7, Ryzen 9, and Ryzen Threadripper with up to 96 cores.
Zen 3: 2020 19 Multi-chip module, multi-core, superscalar, 4-way decode, out-of-order execution, SMT, L3 cache Zen 4: 2022 Multi-chip module, multi-core, superscalar, L3 cache Crusoe: 2000 In-order execution, 128-bit VLIW, integrated memory controller Efficeon: 2004 In-order execution, 256-bit VLIW, fully integrated memory controller Cyrix ...
In July 2023 a critical vulnerability in the Zen 2 AMD microarchitecture called Zenbleed was made public. [59] AMD released a microcode update to fix it. [60] In August 2023 a vulnerability in AMD's Zen 1, Zen 2, Zen 3, and Zen 4 microarchitectures called Inception [61] [62] was revealed and assigned CVE-2023-20569. According to AMD it is not ...