shows FMA4 still appears to work (under the conditions of the tests) despite not being officially supported and not even reported by CPUID. This has also been confirmed by Agner Fog. But other tests gave wrong results. AMD Official Web Site FMA4 Support Note ZEN CPUs = AMD ThreadRipper 1900x, R7 Pro 1800, 1700, R5 Pro 1600, 1500, R3 Pro 1300, 1200, R3 2200G, R5 2400G.
* Intel
** Intel has not released CPUs with support for FMA4.

Excerpt from FMA4

History

The incompatibility between Intel's FMA3 and AMD's FMA4

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