
While it is possible that drivers are causing the problem, the new Windows feature update is certainly a suspect regardless. Funnily, the Ryzen 9 7950X, which is the flagship 7000 series SKU, is found to be losing performance when SMT and both its CCDs are enabled. We will offer additional Intel-validated microcode updates for Windows as they become available to Microsoft, and update these articles accordingly.Earlier today, we reported about performance issues that AMD's recently released Ryzen 7000 Zen 4 desktop CPUs are having on Windows 11 22H2 during gaming.

Windows 10, version 19, Windows Server, version 19 The articles contain links to the available Intel microcode updates by CPU. The following table lists specific Microsoft Knowledge Base articles by Windows version. Microsoft is making available Intel-validated microcode updates that are related to Microarchitectural Data Sampling ( CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). Windows 10, version 1803, and Windows Server, version 1803 Windows 10, version 1809, Windows Server 2019 The article contains links to the available Intel microcode updates by CPU. Microsoft is making available Intel-validated microcode updates that are related to Spectre Variant 3a ( CVE-2018-3640 | Rogue System Register Read (RSRE)), Spectre Variant 4 ( CVE-2018-3639 | Speculative Store Bypass (SSB)), and L1TF ( CVE-2018-3620 and CVE-2018-3646 | L1 Terminal Fault). Windows 10, version 1607, and Windows Server 2016 Windows 10, version 1709, and Windows Server 2016, version 1709 Windows Update, Windows Server Update Service, and Microsoft Update Catalog Windows 10, version 1803, and Windows Server, version 1803 These articles contain links to the available Intel microcode updates by CPU:

Microsoft is making available Intel-validated microcode updates that are related to Spectre Variant 2 ( CVE-2017-5715 | Branch Target Injection).
