Intel is bringing AVX-512 support back to its consumer CPUs with the upcoming Nova Lake architecture, according to Linux kernel patches and multiple independent sources, ending a six-year hiatus that left AMD with a feature advantage on client platforms.
The AVX-512 instruction set enables 512-bit vector operations, delivering significant performance improvements for workloads in scientific computing, machine learning inference, media encoding, and data processing. Benchmarks on AMD’s Zen 5 architecture show AVX-512 delivering up to 43% higher throughput compared to standard AVX, depending on the number of source operands.
A complicated history. Intel’s relationship with AVX-512 on consumer chips has been fraught. The instruction set was last supported on Tiger Lake (11th Gen, 2020). When Intel introduced its hybrid P-core / E-core architecture with Alder Lake (12th Gen), the P-cores supported AVX-512 but the E-cores did not, creating an asymmetry the company chose to resolve by disabling the feature entirely. Motherboard makers were instructed to block AVX-512 support through BIOS updates, even on chips that physically supported it.
Subsequent generations, Raptor Lake, Meteor Lake, Arrow Lake, and Panther Lake, all shipped without AVX-512, while AMD offered the feature across both its Zen 4 and Zen 5 consumer lineups.
Nova Lake changes that. The new architecture, expected in the Core Ultra 400 series, uses Coyote Cove P-cores and Arctic Wolf E-cores with AVX 10.2 ISA support. The AVX 10.2 specification, which Intel previewed last year, brings AVX-512 capabilities to both core types, resolving the hybrid asymmetry that originally forced the feature’s removal. Linux kernel patches confirm the addition of an AVX-512 optimized path for Nova Lake, and multiple leakers have corroborated the listing.
The return of AVX-512 on Nova Lake, combined with the anticipated return of SMT (simultaneous multithreading) on the Coral Rapids Xeon family, signals a strategic reversal on two architectural decisions that have drawn criticism from power users and enterprise customers.
Source: Tom’s Hardware, Wccftech, VideoCardz