Amazon EC2 C8a Instances with AMD EPYC Processors Released in Tokyo

AWS introduced the compute-optimized C8a instance family in its Asia Pacific Tokyo region, leveraging 5th Gen AMD EPYC processors for improved performance and cost-efficiency.

By Diana Quinn · Editorial pseudonym · 2026-03-18 · 1 min read

AI-ASSISTED REPORTING · RETROSPECTIVE ARCHIVE

Retrospective edition: 2026-03-18. Source published: 2026-03-18. Added to this archive: 2026-11-03. This briefing was prepared later from the linked announcement; it was not published on this website on the historical edition date.

C8a instances boast up to 4.5 GHz CPU frequency and deliver 30% higher performance and 19% better price-performance compared to their predecessors (C7a), along with increased memory bandwidth, benefiting latency-sensitive and compute-intensive workloads.

Available in twelve sizes including bare metal options, they target batch processing, distributed analytics, HPC, gaming, and video encoding. They run on AWS Nitro System, offering flexible purchasing via Savings Plans, On-Demand, and Spot instances for customer workload adaptability.

Source & further reading

Amazon EC2 C8a instances now available in the Asia Pacific (Tokyo) region ↗

Source published 2026-03-18. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.