# GROMACS on Zen4: AVX2 vs AVX512

**URL:** https://gromacs.bioexcel.eu/t/gromacs-on-zen4-avx2-vs-avx512/5720
**Category:** Developers discussions
**Tags:** mdrun, mdrun-performance
**Created:** [February 3, 2023, 6:22pm UTC](https://gromacs.bioexcel.eu/t/gromacs-on-zen4-avx2-vs-avx512/5720 "2023-02-03T18:22:47Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![pszilard](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/pszilard/32/21_2.png) [@pszilard](https://gromacs.bioexcel.eu/u/pszilard)
#### Post date: [February 3, 2023, 6:22pm UTC](https://gromacs.bioexcel.eu/t/gromacs-on-zen4-avx2-vs-avx512/5720/1 "2023-02-03T18:22:47Z")

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Hi,

Does anyone have experience with mdrun performance on Zen4 and specifically AVX2 vs AVX-512?

Cheers,  
Szilárd