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All consumer desktop Ryzens (except PRO models) and all mobile processors with the HX suffix have an unlocked multiplier. In addition, all support Simultaneous Multithreading (SMT) except earlier Zen/Zen+ based desktop and mobile Ryzen 3, and some models of Zen 2 based mobile Ryzen.
[4] AMD Zen 3+ Family 19h – 2022 revision of Zen 3 used in Ryzen 6000 mobile processors using a 6 nm process. 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.
Rembrandt-R Ryzen 7035 series (laptop) Zen 4 series CPUs and APUs (released 2022) Raphael Ryzen 7000 series (desktop) Storm Peak Ryzen Threadripper 7000 series (desktop)
Simultaneous multithreading (SMT) is a technique for improving the overall efficiency of superscalar CPUs with hardware multithreading. SMT permits multiple independent threads of execution to better use the resources provided by modern processor architectures .
On August 29, 2022, AMD announced four Zen 4-based Ryzen 7000 series desktop processors. The four Ryzen 7000 processors that were launched on September 27, 2022 consist of the Ryzen 5 7600X, Ryzen 7 7700X, and two Ryzen 9 CPUs: the 7900X and 7950X. The processors feature between 6 and 16 cores. [15]
The Ryzen 7040 series is a new design based on Zen 4, targeting "elite ultrathin" segment. [79] It integrates a built-in AI accelerator (branded as "Ryzen AI") for the first time in an x86 processor, [81] and features RDNA 3 integrated graphics with up to 12 compute units. The Ryzen 7045 series is the top of
The modular architecture consists of multithreaded shared L2 cache and FlexFPU, which uses simultaneous multithreading. Each physical integer core, two per module, is single threaded, in contrast with Intel's Hyperthreading, where two virtual simultaneous threads share the resources of a single physical core. [10] [11]
The first generation Zen was launched with the Ryzen 1000 series of CPUs (codenamed Summit Ridge) in February 2017. [14] The first Zen-based preview system was demonstrated at E3 2016, and first substantially detailed at an event hosted a block away from the Intel Developer Forum 2016.