Custom Silicon List

AWS Graviton4

Amazon's fourth Arm server CPU: 96 cores per socket and DDR5-5600 memory, generally available in EC2 R8g instances since July 2024 and paired with Trainium in AWS AI racks. Sources and verification dates.

Cores96
Owner Amazon Web Services Status Deployed US cloud

Verified

Open the primary source Compare side by side

Every published figure

Source per value
Owner The company that specified the chip and runs it in its own cloud, data centers or products.
Amazon Web Services 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 (Annapurna Labs) 4
Memory On-package memory type (HBM2e, HBM3, HBM3E, LPDDR5) or, for CPUs, the memory the socket drives (DDR5).
DDR5-5600 3
CPU cores Cores per socket, for server CPUs.
96 2
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 1
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.
AWS has built more than 2 million Graviton processors across generations (AWS, July 2024). 1
How to get it How an outside buyer can use the chip: a named cloud instance or service, a product, or 'Internal only'.
AWS EC2 R8g, M8g, C8g and X8g instances 1

Not verified in the sources reviewed: partner basis, foundry, node, precision note, power.

Sources

  1. AWS News Blog: Graviton4-based EC2 R8g instances generally available accessed 2026-11-11
  2. The Register: Amazon keeps the pressure on Intel, AMD with 192-core Graviton5 accessed 2026-11-11
  3. AWS News Blog: EC2 R9g and R9gd instances powered by Graviton5 accessed 2026-11-11
  4. Amazon: How Amazon became one of the world's top chip companies in a decade accessed 2026-11-11