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# Inside the AI Hardware Engine – Full Semiconductor Supply Chain Course

**[freeCodeCamp](https://daily.dev/sources/freecodecamp)** · 157 min read · 2 upvotes · 0 comments

## Summary

A long-form educational course walks through the full semiconductor supply chain behind an AI accelerator, following Nvidia's GB300 (Blackwell Ultra) GPU from physics and transistor design through fabrication, memory, packaging, and rack-scale data center deployment. It covers transistor geometries (planar, FinFET, gate-all-around), process nodes, Moore's and Dennard scaling, the fabless/foundry/IDM business models, EDA software players (Synopsys, Cadence, Siemens EDA), HBM memory suppliers, NVLink vs scale-out networking, and industry economics like Rock's Law, fab costs, and Nvidia's dominant AI accelerator market share.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.youtube.com/watch?v=FGT7LZbZe-g>

## Questions this post answers

### How many transistors does the Nvidia GB300 Blackwell Ultra GPU have?

The GB300 Blackwell Ultra GPU has about 208 billion transistors total across its two reticle-sized dies, roughly 104 billion transistors per die. Each GPU also contains 160 streaming multiprocessors, 640 tensor cores, and 20,480 CUDA arithmetic lanes, split across two dies connected via a 10 terabyte-per-second die-to-die interface called NVHBI.

_Engineers tracking GPU architecture specs can follow hardware breakdowns like this on daily.dev._

### What is the difference between a scale-up and scale-out domain in a GPU rack like the NVL72?

A scale-up domain refers to GPUs communicating within a single contiguous rack over high-bandwidth interconnect like NVLink, such as the 72 GPUs in an NVL72 rack connected all-to-all with zero hops. A scale-out domain connects separate racks or data centers over lower-bandwidth interconnect, handled by network interface cards like the ConnectX-8 SuperNIC.

_Teams designing distributed inference systems can dig into rack-scale networking tradeoffs on daily.dev._

### Why is HBM more memory-dense than SRAM despite requiring 3D stacking?

HBM uses one transistor and one capacitor per bit versus six transistors per bit for SRAM, giving it much higher density even though stacking it three-dimensionally requires through-silicon vias (TSVs) that reduce density somewhat since the vertical holes can't store bits. This tradeoff is why Cerebras' SRAM-based wafer-scale chip has 4 trillion transistors but Nvidia's HBM-based GPU dies stay around 200 billion.

_Developers evaluating memory architecture choices can compare tradeoffs like these on daily.dev._

## Similar posts on daily.dev

- [AI Factories, Physical AI, and Advances in Models, Agents, and Infrastructure That Shaped 2025](https://daily.dev/posts/ai-factories-physical-ai-and-advances-in-models-agents-and-infrastructure-that-shaped-2025-t349o3mml) · NVIDIA Developer · 1 upvotes · 0 comments

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Tags: [#hardware](https://daily.dev/tags/hardware), [#nvidia](https://daily.dev/tags/nvidia)

[View this post on daily.dev](https://daily.dev/posts/inside-the-ai-hardware-engine-full-semiconductor-supply-chain-course-s911tlrwq)

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