Zen (microarchitecture)

Zen is the codename for a family of computer processor microarchitectures from AMD, first launched in February 2017 with the first generation of its Ryzen CPUs.

This article is about the CPU architecture family. For the first generation of the microarchitecture, see Zen (first generation microarchitecture).

History

First generation
Main article: Zen (first generation microarchitecture)

The first generation Zen was launched with the Ryzen 1000 series of CPUs (codenamed Summit Ridge) in February 2017.[1] 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. The first Zen-based CPUs reached the market in early March 2017, and Zen-derived Epyc server processors (codenamed "Naples") launched in June 2017[2] and Zen-based APUs (codenamed "Raven Ridge") arrived in November 2017.[3]

Second generation
Main article: Zen+

Zen+ was first released in April 2018,[4] powering the second generation of Ryzen processors, known as Ryzen 2000 (codenamed "Pinnacle Ridge") for mainstream desktop systems, and Threadripper 2000 (codenamed "Colfax") for high-end desktop setups.

Third generation
Main article: Zen 2

The Ryzen 3000 series CPUs were released on July 7, 2019,[5][6] while the Zen 2-based Epyc server CPUs (codename "Rome") were released on August 7, 2019.[7] Zen 2 also powered a line of desktop APUs marketed as Ryzen 4000.

Fourth generation
Main article: Zen 3

Zen 3 is expected for release in 2020,[8] using an improved 7nm manufacturing process. It will power desktop Ryzen 4000 CPUs, utilizing the Vermeer microarchitecture, and Epyc processors using the Milan microarchitecture.

gollark: Also, recognizing frequency would probably be irritating, I'd need a... Fourier transform, or something, or just some really hacky thing for recognizing *one* frequency.
gollark: I see. Well, if you write/find DFPWM to/from... raw signed ints, or something... conversion, I'll look at implementing that.
gollark: Waaaait, wouldn't I need to implement a DFPWM encoder/decoder somehow?
gollark: PotatOS doesn't actually use libdatatape anywhere but the dump/load programs.
gollark: So, frequency shift keying or something?

See also

References
  1. Anthony, Sebastian (18 August 2016). "AMD says Zen CPU will outperform Intel Broadwell-E, delays release to 2017". Ars Technica. Retrieved 18 August 2016.
  2. Cutress, Ian. "AMD's Future in Servers: New 7000-Series CPUs Launched and Epyc Analysis". AnandTech. Retrieved 8 August 2017.
  3. "HP ENVY x360 Convertible Laptop - 15z touch - HP® Official Store". store.hp.com.
  4. Bright, Peter (8 January 2018). "AMD's 2018 roadmap: Desktop APUs in February, second-generation Ryzen in April". Ars Technica. Retrieved 9 January 2018.
  5. Leather, Antony. "AMD Ryzen 9 3900X and Ryzen 7 3700X Review: Old Ryzen Owners Look Away Now". Forbes. Retrieved 2019-09-19.
  6. "AMD Ryzen 3000 CPUs launching July 7 with up to 12 cores". PCGamesN. Retrieved 2019-05-28.
  7. "2nd Gen AMD EPYC™ Processors Set New Standard for the Modern Datacenter with Record-Breaking Performance and Significant TCO Savings". AMD. August 7, 2019. Retrieved August 8, 2019.
  8. Joel Hruska (January 10, 2020). "AMD's Lisa Su Confirms Zen 3 Coming in 2020, Talks Challenges in Notebooks". ExtremeTech.
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