Life & fun · February 26, 2023
Power-Performance Curves for CPUs
Hi HN! Following the release of the latest generation of CPUs by AMD and Intel with rather high power requirements and the corresponding uptake in interest of undervolting / power level adjustment, I was interested to find out in more detail how these CPU models would perform and compare at different power settings. However, it couldn't find an online source that would provide a satisfactory amount of data to be really useful to compare different models. So I took what data I could find to set up a Bayesian regression model. Find the results and more details on the linked page. Hope…
Power-Performance Curves for CPUs launched on February 26, 2023 with 13 votes, #1,352 of 3,829 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
Power-Performance Curves for CPUs is a tool that models how different CPU models from AMD and Intel perform at various power settings. It uses Bayesian regression to analyze performance data and enable comparisons across different processors, addressing a gap in available undervolting and power adjustment information. The resource helps users understand the trade-offs between power consumption and CPU performance for modern processors.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN! Following the release of the latest generation of CPUs by AMD and Intel with rather high power requirements and the corresponding uptake in interest of undervolting / power level adjustment, I was interested to find out in more detail how these CPU models would perform and compare at different power…
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Source: Show HN post ↗ · launch text quoted in part
