Revision as of 14:52, 9 December 2020

Zen 4 is a planned microarchitecture being developed by AMD as a successor to Zen 3.

History

Zen 4 on the roadmap.

Zen 4 was first mentioned by Forrest Norrod during AMD's EPYC One Year Anniversary webinar. During the next horizon event which was held on November 6, 2018, AMD stated that Zen 4 was at the design completion phase.

Process Technology

AMD claims that Zen4 is going to be produced on a 5nm node by TSMC.

Codenames

Preliminary Data! Information presented in this article deal with future products, data, features, and specifications that have yet to be finalized, announced, or released. Information may be incomplete and can change by final release.

Architecture

Nothing is currently known about the architectural improvements that are being done to Zen 4.

Key changes from Zen 3

This section is empty; you can help add the missing info by editing this page.

Designers

• Mike Clark(?), chief architect

Bibliography

raised core/thread count from 64/128 to at least 96/192.

improved cache load, write and prefetch from/to register (less latency)

improved iGPUs for APU variants; navi integrated gpu with up to 3.4 TFLOPs FP32 (clock frequency unknown, at least 2 GHz)

See Also

• AMD Zen
• Intel Alder lake