Microsoft Cobalt 100
Cobalt 100 is Microsoft's first in-house Arm server CPU, a 128-core chip powering Microsoft Teams and Azure SQL. Azure Cobalt 100 VMs launched in 14 regions with up to 1.4x the CPU performance of earlier Azure Arm VMs. Sources and verification dates.
Cores128
Every published figure
Source per value- Owner The company that specified the chip and runs it in its own cloud, data centers or products.
- Microsoft 1
- Role What the owner says the chip is for: training, inference, both, or a general-purpose server CPU.
- Server CPU 1
- Design partner The ASIC house that co-designed or physically implemented the chip (Broadcom, Marvell, MediaTek, Alchip, GUC and others), as stated by the owner, the partner, a filing or named trade-press reporting. 'In-house' when the owner states it designed the chip itself, including through an acquired team such as Annapurna Labs.
- In-house 2
- Precision note What the throughput figures mean: dense or sparse, which precision, per chip or per package, and any figure the owner states only in another unit.
- Microsoft: up to 40% better performance than prior Azure Arm chips; VMs scale to 96 vCPUs. 1
- CPU cores Cores per socket, for server CPUs.
- 128 1
- Status Announced: public roadmap without verified deployment. Sampling: first silicon or limited internal use. Preview: customers can request early access, without a GA claim. Deployed: stated production use or general availability. Discontinued: program stopped.
- Deployed 2
- Announced Year the owner first announced the chip publicly.
- 2,023 1
- Deployment scale The largest deployment the owner or a named report states: chip counts, clusters, gigawatts or regions.
- Generally available in 14 Azure regions (Oct 2024); powers Microsoft Teams and Azure SQL 1
- How to get it How an outside buyer can use the chip: a named cloud instance or service, a product, or 'Internal only'.
- Azure Dpsv6, Dplsv6 and Epsv6 VMs 2
Not verified in the sources reviewed: partner basis, foundry, node, memory, power.