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Zen 4 is the name for a CPU microarchitecture designed by AMD, released on September 27, 2022. [ 4 ] [ 5 ] [ 6 ] It is the successor to Zen 3 and uses TSMC 's N6 process for I/O dies, N5 process for CCDs , and N4 process for APUs. [ 7 ]
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.
Epyc server CPUs with Zen 4, codenamed Genoa, were officially unveiled at AMD's Accelerated Data Center Premiere Keynote on November 8, 2021, [37] and released a year later in November 2022. [38] They have up to 96 Zen 4 cores and support both PCIe 5.0 and DDR5. Furthermore, Zen 4 Cloud (a variant of Zen 4), abbreviated to Zen 4c, was also ...
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Microarchitecture Version Release Notes Release Date ComboAM5PI Zen 5 Zen 4 1.2.0.2 Reduced inter-core latency September 2024 1.2.0.1 Fixed security vulnerabilities (AMD-SB-7014) August 2024 1.2.0.0a Performance, Bugfixes June 2024 FireRangePi 1.1.7.0 Patch A Support for Ryzen 9000 April 2024 ComboAM5PI Zen 4 1.1.0.1
The same microarchitecture was also announced to be used for an upcoming flagship Samsung Exynos SoC, [38] later introduced in January 2022 as Exynos 2200, utilizing a custom Xclipse 920 GPU with 3 workgroup processors. [39] [40] An RDNA 2 integrated GPU with 2 compute units is included in the I/O die on AMD's Zen 4-based Ryzen 7000 Series CPUs.
Microarchitecture Year Pipeline stages Misc Elbrus-8S: 2014 VLIW, Elbrus (proprietary, closed) version 5, 64-bit AMD K5: 1996 5 Superscalar, branch prediction, speculative execution, out-of-order execution, register renaming [a] AMD K6: 1997 6 Superscalar, branch prediction, speculative execution, out-of-order execution, register renaming [b ...
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.