Rephonic
Artwork for Semi Doped
NVIDIA
LIDAR
AI Infrastructure
Semiconductor Industry
IEDM
GPU Compute
Groq
Copper
Silicon Photonics
Meta MTIA
Intel
Matx
Turboquant
ARM AGI Cpus
CES 2026
DGX Spark
Transistor Technology
NAND Flash Memory
Silicon
SRAM

The business and technology of semiconductors. Alpha for engineers and investors alike.

PublishesTwice weeklyEpisodes28Founded4 months ago
Number of ListenersCategory
Technology

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Artwork for Semi Doped

Latest Episodes

Gimlet Labs runs an inference cloud built on heterogeneous silicon. Their software traces a PyTorch workload, segments it into its component parts, and schedules each piece onto the best-suited hardware — connecting chips from different vendors on a ... more

What's common to optics and power that ruins everything in the era of AI?

Resistance.

The same physics that drove interconnects to optics is now driving low-voltage power delivery up to 800V. Austin Lyons (Chipstrat) and Vik Sekar (Vik's Newsletter... more

The hyperscaler memory tax quarter.

More CapEx? Pssh. We knew flops needed scaling.

But $25B at Microsoft alone just to pay higher component prices? 

A memory tax. That's the news.

NAND? Sold out. HBM? Sold out.

What we cover:

• SanDisk revenue... more

Google's Cloud Next 2026 keynote? Fire. 🔥

The TPU is now two chips instead of one — 8t for training, 8i for inference — but more interestingly, it's two scale-up networking topologies too.

Austin Lyons (Chipstrat) and Vik Sekar (Vik's Newsletter) ... more

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Recent Guests

Vik Sekar
Co-host and expert guest discussing Google TPU networking
Vik's Newsletter
Episode: Masterclass on Google's TPU v8 Networking
Matt Steiner
VP of Monetization Infrastructure, Ranking and AI Foundations at Meta
Meta
Episode: Meta VP Matt Steiner on Ads Infra, GPUs, MTIA, and LLM-Written Kernels
Reiner Pope
Co-founder and CEO of MatX
MatX
Episode: Reiner Pope (MatX): Designing AI Chips From First Principles for LLMs

Hosts

Austin Lyons
Co-host with deep coverage of Semi Doped topics; multiple episode appearances.
Vik Sekar
Co-host with focus on newsletters and industry analysis; affiliated with Vik's Newsletter.
Vik Shaker
Co-host and newsletter author; recurring contributor on technical topics.

Reviews

5.0 out of 5 stars from 21 ratings
  • Amazing Amazing! 🩶👾

    Semi Doped has quickly become my absolute favorite due to its insightful and well-researched content, including detailed interviews with industry experts and comprehensive analysis of current trends.

    I always learn something new from every episode, thanks to the clear explanations that make even the most complex topics accessible and understandable.

    Thanks so much, Vik and Austin, for all the hard work! Your effort truly means a lot. 🚀🚀

    Apple Podcasts
    5
    Overclocked Espresso
    United States3 months ago
  • Best thing to listen if you’re into tech and semiconductor space

    Thankyou. Absolutely and wholeheartedly love your show. Both your Substack are joy to read. Every. Single. Time.

    With gratitude 🙏

    Apple Podcasts
    5
    Iuy123
    India4 months ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Semi Doped consistently delivers deep technical and market insights for engineers and investors.
Quality and breadth of guests are highlighted as a strength for industry credibility and sponsor appeal.
Listeners praise accessible explanations of complex AI hardware topics and clear episode takeaways.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#215
United States/Technology
Apple Podcasts
#116
United Kingdom/Technology
Apple Podcasts
#36
Hong Kong/Technology
Apple Podcasts
#50
Saudi Arabia/Technology
Apple Podcasts
#52
Norway/Technology
Apple Podcasts
#94
United Arab Emirates/Technology

Talking Points

Recent interactions between the hosts and their guests.

Reiner Pope (MatX): Designing AI Chips From First Principles for LLMs
Q: How do you justify the shift from software and hardware lock-in to a multi-vendor approach?
The company argues that the traditional software lock-in is not as strong as it seems because ecosystems are multi-platform, and customers can benefit from hardware diversity when performance and efficiency are optimized through memory-aware architectures.
Reiner Pope (MatX): Designing AI Chips From First Principles for LLMs
Q: What is MatX aiming to build and why is it different from GPUs?
MatX targets a first-principles hardware design optimized for large language models, prioritizing matrix-multiply throughput, a memory hierarchy that unifies SRAM and HBM, and multi-platform software to reduce lock-in, with a roadmap designed for data-center scale rather than repurposing general GPUs.

Audience Metrics

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Listeners per Episode
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Frequently Asked Questions About Semi Doped

What is Semi Doped about and what kind of topics does it cover?

A technology-focused show about the business and engineering of semiconductors and AI hardware. Episodes center on memory dynamics, multi-vendor silicon strategies, data-center AI infrastructure, and the economics of owning versus renting hardware, with nuanced takes on interconnects, optics, and accelerator ecosystems. Hosts mix market analysis, technical debates, and anecdotes from field deployments and startups, often exploring open-source and compiler software questions alongside hardware architecture. The format often features high-level industry outlooks, practical implications for engineers and executives, and guest perspectives from chip designers and researchers, making it valuable for both industry professionals and investors seek... more

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Which podcasts are similar to Semi Doped?

These podcasts share a similar audience with Semi Doped:

1. Cheeky Pint
2. Invest Like the Best with Patrick O'Shaughnessy
3. No Priors: Artificial Intelligence | Technology | Startups
4. Sharp Tech with Ben Thompson
5. The a16z Show

How many episodes of Semi Doped are there?

Semi Doped launched 4 months ago and published 28 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Semi Doped?

Recent guests on Semi Doped include:

1. Vik Sekar
2. Matt Steiner
3. Reiner Pope

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