AWS Releases Graviton5 With 192-Core Design

Amazon Web Services this month unveiled Graviton5, a fifth-generation Arm-based server CPU with up to 192 Neoverse V3 cores, roughly 180 MB of L3 cache, and a 3nm-class fabrication process; M9g EC2 instances are available in preview while C9g and R9g are slated for 2026. AWS reports up to 30–35% performance gains over M8g for databases, web apps, and machine learning, plus improved networking, storage, and a formally verified Nitro Isolation Engine.
Key Points
- 1Announces a 192-core Graviton5 CPU with 180 MB L3 cache and 3nm process
- 2Reduces inter-core latency up to 33% and improves throughput for databases, web, and ML workloads
- 3Enables AWS to offer higher performance-per-dollar instances; practitioners can test M9g preview immediately
Scoring Rationale
Official AWS hardware release with large 192-core design and formal security proofs; limited immediate availability beyond preview.
Sources
Public references used for this report.
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