Microsoft unveils Azure Cobalt 200 CPU, in-house chip targets higher performance and deeper integration — Arm-based chip is equipped with 132 cores and manufactured using TSMC’s 3nm process

November 20, 2025

, By Tom’s Hardware

Microsoft unveils Azure Cobalt 200 CPU, in-house chip targets higher performance and deeper integration — Arm-based chip is equipped with 132 cores and manufactured using TSMC’s 3nm process

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data-analytics-id=”inline-link” href=”https://www.tomshardware.com/tag/microsoft” data-auto-tag-linker=”true” data-mrf-recirculation=”inline-link” data-before-rewrite-localise=”https://www.tomshardware.com/tag/microsoft”>Microsoft has revealed its next major in-house server processor, the Azure Cobalt 200, a 132-core Arm-based CPU built on TSMC’s 3nm process and designed to raise the performance ceiling across Azure’s general-purpose compute tiers.

Like the Cobalt 100 before it, the new processor is built around an Arm Neoverse platform. This generation, however, moves to Arm’s latest CSS V3 subsystem and combines two 66-core chiplets for a total of 132 cores. Microsoft describes the chip as its most efficient…

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Microsoft unveils Azure Cobalt 200 CPU, in-house chip targets higher performance and deeper integration — Arm-based chip is equipped with 132 cores and manufactured using TSMC’s 3nm process

November 20, 2025

, Published By Tom’s Hardware

Microsoft unveils Azure Cobalt 200 CPU, in-house chip targets higher performance and deeper integration — Arm-based chip is equipped with 132 cores and manufactured using TSMC’s 3nm process

data-analytics-id=”inline-link” href=”https://www.tomshardware.com/tag/microsoft” data-auto-tag-linker=”true” data-mrf-recirculation=”inline-link” data-before-rewrite-localise=”https://www.tomshardware.com/tag/microsoft”>Microsoft has revealed its next major in-house server processor, the Azure Cobalt 200, a 132-core Arm-based CPU built on TSMC’s 3nm process and designed to raise the performance ceiling across Azure’s general-purpose compute tiers.

Like the Cobalt 100 before it, the new processor is built around an Arm Neoverse platform. This generation, however, moves to Arm’s latest CSS V3 subsystem and combines two 66-core chiplets for a total of 132 cores. Microsoft describes the chip as its most efficient…

Disclaimer

We strive to uphold the highest ethical standards in all of our reporting and coverage. We StartupNews.fyi want to be transparent with our readers about any potential conflicts of interest that may arise in our work. It’s possible that some of the investors we feature may have connections to other businesses, including competitors or companies we write about. However, we want to assure our readers that this will not have any impact on the integrity or impartiality of our reporting. We are committed to delivering accurate, unbiased news and information to our audience, and we will continue to uphold our ethics and principles in all of our work. Thank you for your trust and support.

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