# Ice Lake AVX-512 Downclocking

DevFeed: [Ice Lake AVX-512 Downclocking](<https://devfeed.tech/articles/ice-lake-avx-512-downclocking-28490.md>)

Original publisher: [Read original article](<https://travisdowns.github.io/blog/2020/08/19/icl-avx512-freq.html>)

Author: Travis Downs (travis.downs@gmail.com)

Published: 2020-08-19T00:00:00Z

Content type: article

Language: en

Sources: [Performance Matters](<https://devfeed.tech/sources/performance-matters.md>)

Topics: [cpu](<https://devfeed.tech/topics/cpu.md>), [intel](<https://devfeed.tech/topics/intel.md>), [floating-point](<https://devfeed.tech/topics/floating-point.md>), [Rocket](<https://devfeed.tech/topics/rocket.md>)

Tags: [avx](<https://devfeed.tech/tags/avx.md>), [avx512](<https://devfeed.tech/tags/avx512.md>), [blog](<https://devfeed.tech/tags/blog.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [floating-point](<https://devfeed.tech/tags/floating-point.md>), [icelake](<https://devfeed.tech/tags/icelake.md>), [intel](<https://devfeed.tech/tags/intel.md>), [performance](<https://devfeed.tech/tags/performance.md>), [x86](<https://devfeed.tech/tags/x86.md>)

## AI overview

This technical post investigates AVX2- and AVX-512-related license-based downclocking on Intel Ice Lake and Rocket Lake CPUs. Measurements from an Ice Lake i5-1035G4 indicate little frequency reduction from wider instructions, with a reported 100 MHz decrease in one single-core case.

## Source excerpt

Examining the extent of AVX related downclocking on Intel's Ice Lake CPU