AMD Reveals New Zen 6 Details In First Official Document

This past Wednesday, AMD quietly published what appears to be the first official technical documentation for its upcoming Zen 6 CPU architecture, codenamed Morpheus. This document offers early insight into several notable architectural changes. While the company has not formally announced Zen 6 products yet, the document provides strong hints about where AMD's next-generation cores are headed.

The document, titled "Performance Monitor Counters for AMD Family 1Ah Model 50h–57h Processors," was posted publicly on Wednesday, December 17th, 2025, and is dated December 12th, 2025. It was first spotted by well-known x86 microarchitecture enthusiast InstLatX64 on Xwitter, who highlighted several intriguing new features buried in the performance counter listings.

Although the document focuses on performance monitoring rather than marketing features, it still reveals three major points of interest: FP16 execution support, a new Memory Profiler IBS mechanism, and evidence of up to six integer scheduler domains.

FP16 Execution Support ...