AMD has released an official statement regarding the discrepancies between the results of its internal tests and independent evaluations of the Ryzen 9000 series processors. Last week, reviewers noted that using AMD processors under standard conditions in Windows adversely affects gaming performance. To achieve optimal performance from the new chips, users need to log in with a special administrator account.
AMD announced an upcoming Windows 11 update aimed at improving this situation and boosting gaming performance for its processors under regular conditions. This update is expected to positively impact not only systems featuring the latest Zen 5 architecture chips but also earlier generations based on Zen 4 and Zen 3.
It turns out there is a difference in system operation between regular user accounts and administrator mode. The distinction lies in the "branch prediction code optimization," which enhances the branch prediction capabilities of the Zen 5 architecture. While the latest architecture benefits the most from these optimizations, Zen 3-based processors also experience a performance boost when operating under administrator mode.
It appears to be a minor issue for Microsoft to establish uniform optimization levels for different account types. AMD reports that the AMD-specific optimized branch prediction code will be available in the Windows 11 version 24H2 for participants in the Windows Insiders program. The company also stated that it is working with Microsoft to soon deliver this additional update to all users.
AMD also provided a table showing the expected performance gains in various games. In some instances, the improvements may be barely noticeable, while for Far Cry 6, the boost can reach up to 13%.
Source: xda-developers
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