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Performance and Power of the Low-Cost EPYC 4005 vs. Original EPYC 7601 Zen 1

https://www.phoronix.com/review/amd-epyc-4005-server
2•vok•4h ago

Comments

jauntywundrkind•2h ago
The first couple workloads didn't surprise me at all that the 4005 trounced, because it seemed obvious the avx512 was gonna help a lot.

But I thought the 2x core count and 8 channels 2666MHz (vs dual channel 5600MHz) would have some significant wins on application workloads like nginx! But man, the the EPYC 4585PX flagship smoked it in every way!

Power consumption was a lot closer than I expected. I thought for sure the 4005 was gonna be significantly lower power but overall not a huge difference.

Very fun & surprising to me comparison.

Cloudflare declares war on AI crawlers

https://www.zdnet.com/article/cloudflare-declares-war-on-ai-crawlers-and-the-stakes-couldnt-be-higher/
1•CrankyBear•3m ago•0 comments

Show HN: Country Guessing Game

https://www.guessthatcountry.com/
1•kamakaya•3m ago•0 comments

British IT worker sentenced to seven months after trashing company network

https://www.theregister.com/2025/06/30/british_rogue_admin/
1•jnord•6m ago•0 comments

Most cited scientists stop falsely claiming to work in Saudi Arabia

https://english.elpais.com/science-tech/2024-12-05/dozens-of-the-worlds-most-cited-scientists-stop-falsely-claiming-to-work-in-saudi-arabia.html
1•perihelions•7m ago•0 comments

The great MicroSD card survey

https://www.bahjeez.com/the-great-microsd-card-survey/
1•zdw•7m ago•0 comments

AI: The New Aesthetics of Fascism

https://newsocialist.org.uk/transmissions/ai-the-new-aesthetics-of-fascism/
1•BigglesB•8m ago•0 comments

Hematopoietic stem cell clonal evolution p autologous stem cell transplantation

https://www.nature.com/articles/s41588-025-02235-w
1•bookofjoe•8m ago•0 comments

Show HN: tapable-tracer Trace the connections and flows between tapable hooks

https://github.com/ertgl/tapable-tracer
1•-ertgl•8m ago•0 comments

Pangu Pro Moe: Mixture of Grouped Experts for Efficient Sparsity

https://arxiv.org/abs/2505.21411
1•diggan•8m ago•0 comments

Digital IDs for AI ensure security, accountability, and trust

https://subramanya.ai/2025/07/01/securing-ai-assistants-digital-ids-for-ai/
1•subramanya1997•9m ago•1 comments

How AI on Microcontrollers Works: Operators and Kernels

https://danielmangum.com/posts/ai-microcontrollers-operators-kernels/
2•hasheddan•14m ago•0 comments

Show HN: I built a enterprise level SaaS kit

https://www.launchkitaws.com/
1•UpbeatFix•15m ago•0 comments

I'm a physicist by trade, not by training, and that matters

https://csferrie.medium.com/im-a-physicist-by-trade-not-by-training-and-that-matters-70cd0e66b2c8
1•MaysonL•16m ago•0 comments

Increase of ticks that cause meat allergy in US due to climate crisis

https://www.theguardian.com/us-news/2025/jun/29/lone-star-ticks-increase-climate-crisis
2•sowbug•17m ago•0 comments

Large-Scale Deployment of Ray in Tencent's Weixin AI Infrastructure

https://www.anyscale.com/blog/tencent-weixin-ray-large-scale-deployment
1•robertnishihara•19m ago•0 comments

Show HN: Tacho – CLI tool to benchmark LLM speeds across providers

https://tacho.sh/
1•pietz•22m ago•0 comments

Fintech platform Wealthfront files for IPO

https://www.reuters.com/technology/wealthfront-corporation-confidentially-files-go-public-us-2025-06-23/
2•sowbug•22m ago•0 comments

GenesisAI raises $105M to build foundation models for robots with synthetic data

https://techcrunch.com/2025/07/01/genesis-ai-launches-with-105m-seed-funding-from-eclipse-khosla-to-build-ai-models-for-robots/
1•elmazout•23m ago•0 comments

Show HN: Optimization for LLM App

https://www.llmcheck.app
1•sansreal•25m ago•1 comments

Trump team threatens to prosecute CNN over reporting on Ice-tracking app

https://www.theguardian.com/us-news/2025/jul/01/trump-kristi-noem-cnn-threat
8•vinni2•25m ago•0 comments

Ask HN: What does Cloudflare's pay-per-crawl mean for web scrapers?

1•jjangkke•27m ago•0 comments

Neuromancer is in production

https://bsky.app/profile/greatdismal.bsky.social/post/3lswfukkn3k2z
1•SeenNotHeard•31m ago•0 comments

Amp: A text editor for your terminal

https://github.com/jmacdonald/amp
1•chaosprint•31m ago•0 comments

Ligeti – Musica ricercata No.7 – Cantabile – ARR. for theremin and analog synths [video]

https://www.youtube.com/watch?v=IRQiiPDXTGo
1•didacusc•34m ago•1 comments

[nl-ams-1] degraded performances due to abnormal temperature

https://status.scaleway.com/incidents/1vz4xfgy2gcl
3•martinald•35m ago•1 comments

Study Reveals That Internet Searches Can Hinder Creativity

https://www.cmu.edu/news/stories/archives/2025/july/study-reveals-that-internet-searches-can-hinder-creativity
2•Improvement•44m ago•0 comments

Specter of dams and diversion looms over Southeast Asia's Salween River

https://news.mongabay.com/2025/06/specter-of-dams-and-diversion-looms-over-southeast-asias-salween-river/
1•PaulHoule•44m ago•0 comments

What is automatable and who is replaceable? Thoughts from my morning commute

http://togelius.blogspot.com/2025/06/what-is-automatable-and-who-is_22.html
1•vinni2•47m ago•0 comments

Recursive factorial in 14 characters (2023)

https://mvanier.github.io/blog/posts/factorial/
1•tehnub•48m ago•0 comments

V-JEPA 2: Self-Supervised Video Models Enable Understanding,Prediction,Planning

https://github.com/facebookresearch/vjepa2
2•johlo•50m ago•0 comments