MSI Re-adds AVX-512 Support to 12th Gen Alder Lake-S Processors w/ its MEG Z690 Unify-X

MSI has surprisingly re-added AVX-512 support to Intel’s 12th Gen Alder Lake-S processors via the A22 BIOS update for its flagship MEG Z690 Unify-X motherboard. Earlier, Intel had released a microcode update disabling AVX512 across the Alder Lake family. At the time of launch, it was possible to enable the 512-bit instruction support by disabling the efficiency “Gracemont” cores to allow for significant performance boosts in supported applications.

MSI has implemented a work-around that enables the older microcode when switching to the “AVX-512 Trial” option (the one before Intel decided to fully disable the instruction) which means that this is likely a one-off. The chipmaker’s policy on AVX-512 is likely unchanged, and we are unlikely to see a change across most board partners. Expect Raptor Lake-S to follow the same trend.

Areej Syed

Processors, PC gaming, and the past. I have written about computer hardware for over seven years with over 5000 published articles. I started during engineering college and haven't stopped since. On the side, I play RPGs like Baldur's Gate, Dragon Age, Mass Effect, Divinity, and Fallout. Contact: areejs12@hardwaretimes.com.
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