Intel has recently addressed concerns regarding the microcode patches for the voltage bug impacting its 13th- and 14th-gen Core processors. According to Intel, the new patches, which are currently being tested by Windows Insiders, are unlikely to affect overall system performance significantly. Internal testing suggests that any performance differences will be minimal and within normal variation.
Unlike the previous “Downfall” bug that led to severe performance drops of up to 40% in earlier Core models, the current updates are expected to maintain performance stability. Tests on popular benchmarks and games, including Cyberpunk 2077 and Total War: Warhammer III, showed performance within expected variation, with only minor impacts in specific scenarios like Hitman 3.
The updated microcode will not restrict overclocking for unlocked 13th and 14th Gen desktop processors, though users are advised that overclocking could void their system warranty. Intel has also extended its warranty for affected processors to five years.
Intel explained that the bug, which has caused issues such as BSODs, stems from faulty microcode leading to incorrect voltage requests. The new patch aims to address these issues by capping voltage requests at 1.55V, thereby stabilizing processor performance.
The microcode patch will be available through motherboard or system manufacturer support sites, rather than via Windows Update. Intel plans to continue exploring additional solutions for the voltage issue and will provide more information by the end of August.