Gaming PC

AVX-512 Works Surprisingly Well on Ryzen 7040 Series Phoenix CPUs

recent phonics Benchmarked We used AMD’s most sophisticated Ryzen mobile architecture, the 7040 Mobile Series, with AVX-512 workloads to see how well it performed compared to the last two generations of Intel’s AVX-512 capable CPUs in the mobile space. confirm. We found AMD’s Phoenix series CPUs to be highly efficient AVX-512 chips, easily beating the competition in terms of power efficiency and performance.

The CPUs Phoronix tested included the Ryzen 7 7840U as well as Intel’s older i7-1165G7 and i7-1065G7 which were the last mobile CPUs to support AVX-512. The AMD chip far outperformed the old Intel CPU, beating the 1165G7 by 46% and the old 1065G7 by a whopping 63%. The Ryzen 7 chips also saw the best performance boost with AVX-512 enabled, with a performance margin of 54% with and without AVX-512 enabled. It fell short of Intel chips with a 35% performance margin.

(Image credit: Phoronix)

AMD’s performance boost with AVX-512 is impressive, especially considering Zen 4 (the CPU architecture used by the 7840U) was Team Red’s first architecture to adopt the new instruction set. Conversely, Intel has years of experience developing his AVX-512 capable architecture, but has been unable to extract the same performance margins as AMD. Intel also had to address other architectural oddities found in Rocket Lake and Alder Lake when it comes to AVX-512 performance and features that aren’t found in AMD’s Zen 4 architecture.

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