i got one....and it's FAST!!!

i got one....and it's FAST!!!

🎙 NetworkChuck 👥 5.4M 📅 September 23, 2026 ⏱ 21 min 👁 681K 📄 original study 🧭 2026-10-15
Available in: English (current) Français

Keywords

M5 UltraM3 UltraLLMTTFTmemory bandwidth

Summary

The video presents a hands-on comparison of the Apple M5 Ultra Mac Studio against the M3 Ultra for local AI workloads. NetworkChuck benchmarks both machines using the same Qwen3.8 27B model and a 32,000-token prompt, demonstrating a 3.8x improvement in time-to-first-token (21.7s vs 82.8s) and 1.5x faster generation speed, attributed to increased memory bandwidth and new neural accelerators. He then tests various real-world tasks: transcription with Whisper models (two hours of audio in under two minutes), image generation with FLUX.2, video generation with LTX-2.5, running an agent (Hermes) locally, decision models (Laya) for classification, and even local video editing through DaVinci Resolve’s MCP server. The results show significant speedups across all tasks, with the M5 Ultra being 1.4 to 4 times faster depending on the workload. The video concludes with a discussion of pricing ($14,000 for the tested configuration) and the potential for clustering multiple units. The creator emphasizes transparency, noting the hardware was loaned by Apple and all test data is published on GitHub.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video provides substantial value by conducting real-world benchmarks on a newly released high-end Mac Studio for local AI, an area of growing interest. The argumentation is solid: NetworkChuck explains the technical reasons behind performance differences (memory bandwidth, neural accelerators, model size, and dense vs. Mixture-of-Experts architectures) with clear visuals and analogies. He presents all data transparently, including raw results and a reproducible benchmark tool on GitHub. The reasoning is sound, though the influence of the sponsor and the loaned device is acknowledged. The demonstration of multiple practical applications strengthens the argument that the M5 Ultra is a viable local AI server, though the high price point is a limiting factor.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is high for a tech review: the methodology is explicit, tests are repeatable, and results are published. Sources are properly cited via links to the MLX framework, model repositories on HuggingFace, and tool documentation. The title accurately reflects the excitement about the speed, and the content matches the promise. Analysis of the 30 comments shows a very positive reception, with many viewers expressing appreciation for the prayer at the end and the thoroughness of the tests, while one technical comment corrects a minor misconception about memory transfer, indicating an engaged and informed audience.

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Title / Content Match

The title is catchy but accurately reflects the content: a demonstration of the M5 Ultra's speed in local AI tasks.

Quality & Reliability

8/10

Transparent methodology with published benchmark data and reproducible results on GitHub, but the presence of sponsorship and loaned hardware may influence presentation.

Key Moments

Cited Sources

External References

Contribution & Novelties

This video provides a unique, hands-on benchmark of the new Apple M5 Ultra Mac Studio for local AI, going beyond manufacturer claims to test real-world workloads like transcription, image/video generation, and agent orchestration. The measurement of TTFT improvement and the explanation of memory bandwidth effects are particularly insightful. The methodology is open-sourced, enabling replication.

Pour aller plus loin :

  • Neural Processing Unit — Explanation of the neural accelerators that contribute to the speedup.
  • Memory bandwidth — Key factor in LLM inference speed on unified memory systems.
  • Mixture of experts — Architecture type discussed in the video affecting performance.
  • Time to first token — Metric central to the prompt processing comparison.

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Radar Profile

The radar profile shows high marks in quantity and technical level, with solid reliability and quality. The video excels in breadth of testing but benefits from transparent disclosure of funding and hardware loans.

Reliability 8/10

💬 très positif — Sur les 30 commentaires analysés, le ton est très positif, avec une majorité de remerciements pour la prière finale et des éloges pour la rigueur des tests.