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Zen is a family of computer processor microarchitectures from AMD, first launched in February 2017 with the first generation of its Ryzen CPUs. It is used in Ryzen (desktop and mobile), Ryzen Threadripper (workstation and high end desktop), and Epyc (server).
AMD Zen+ Family 17h – revised Zen architecture (optimisation and die shrink to 12 nm). AMD Zen 2 Family 17h – second generation Zen architecture based on 7 nm process, first architecture designed around chiplet technology. [3] AMD Zen 3 Family 19h – third generation Zen architecture in the optimised 7 nm process with major core redesigns. [4]
As the first largely "ground up redesign" of the Zen CPU core since the architecture family's original release in early 2017 with Zen 1/Ryzen 1000, Zen 3 was a significant architectural improvement over its predecessors; having a very significant IPC increase of +19% over the prior Zen 2 architecture in addition to being capable of reaching higher clock speeds.
Zen 4c is a variant of Zen 4 featuring smaller Zen 4 cores with lower clock frequencies, power usage, reduced L3 cache per core, and is intended to fit a greater number of cores in a given space. Zen 4c's smaller cores and higher core counts are designed for heavily multi-threaded workloads such as cloud computing .
Beyond the data center chips, AMD announced three new PC chips aimed at laptops, based on the Zen 5 architecture. The new chips are tuned to run AI applications and will be capable of running ...
Two AMD Ryzen 9000 series microprocessors with Zen 5 architecture. Zen 5 is the name for a CPU microarchitecture by AMD, shown on their roadmap in May 2022, [3] launched for mobile in July 2024 and for desktop in August 2024. [4] It is the successor to Zen 4 and is currently fabricated on TSMC's N4X process. [5]
The chief executives of Nvidia and AMD aren’t just two of the most powerful people in the global AI chip industry, they’re also family. The connection was first acknowledged by Su in 2020, and ...
Zen is the first iteration in the Zen family of computer processor microarchitectures from AMD.It was first used with their Ryzen series of CPUs in February 2017. [4] 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.