Amazon Web Services (AWS) has launched its Graviton5 processors, marking the fifth generation of the company’s custom-designed server silicon. Available now in M9g and M9gd instances, the new hardware delivers up to 25% better compute performance compared to the previous Graviton4 generation. These instances are designed to address the surging demand for CPU-intensive tasks, including agentic AI, database management, and high-performance microservices.
Performance Gains and Technical Specifications
The Graviton5 processor represents a significant architectural shift for AWS compute instances. According to official AWS documentation, the chip features 192 cores and a 5x increase in L3 cache capacity over its predecessor. The integration of DDR5-8800 memory provides the highest memory bandwidth currently available in the AWS cloud fleet.
Performance testing by early adopters highlights specific operational improvements:
- ClickHouse: Reported a 36% performance boost over M8g instances without requiring code changes.
- HubSpot: Observed up to a 60% reduction in query duration for MySQL database workloads.
- Honeycomb: Recorded a 36% increase in throughput per core during a six-month A/B test of observability workloads.
Support for Agentic AI Workloads
As AI development shifts toward autonomous agents capable of orchestrating multi-step tasks, the requirement for high-performance CPU cycles has intensified. AWS designed the Graviton5 to handle the concurrent environments and real-time reasoning necessary for these applications. Meta has confirmed it is deploying Graviton processors at a scale of tens of millions of cores to support its internal agentic AI initiatives, positioning the company as one of the largest users of the technology.
Security Enhancements via Nitro Isolation Engine
With the release of M9g and M9gd, AWS introduced the Nitro Isolation Engine. This component functions as an enhancement to the existing AWS Nitro System, which manages hardware virtualization. The new engine uses formal verification—a mathematical method to prove that software and hardware logic behave exactly as intended—to enforce strict isolation between virtual machines. By mediating access to CPU registers, memory, and I/O devices through a minimal API set, AWS aims to establish a new standard for cloud-based security and multi-tenant isolation.
Comparing Graviton Generations
The M9g and M9gd series provide a clear upgrade path for users currently operating on older Graviton hardware. The following table illustrates the performance trajectory from the Graviton4-based M8g to the current M9g generation.
| Metric | Graviton4 (M8g) | Graviton5 (M9g) |
|---|---|---|
| Compute Performance | Baseline | Up to 25% faster |
| L3 Cache | Baseline | 5x larger |
| Memory Type | DDR5 | DDR5-8800 |
| Network Bandwidth | Baseline | Up to 15% higher |
Availability and Deployment
M9g and M9gd instances are currently available in four AWS Regions: US East (N. Virginia), US East (Ohio), US West (Oregon), and Europe (Frankfurt). Users can access these instances via On-Demand, Savings Plans, or Spot Instance pricing models. For organizations migrating from x86-based architectures, AWS provides the AWS Transform service, which automates code transformation and compatibility analysis for Java applications.
The M9gd variant remains the preferred choice for workloads requiring high-speed, low-latency local storage, offering up to 11.4 TB of NVMe SSD capacity. Both instance types support Instance Bandwidth Configuration (IBC), allowing administrators to adjust network and EBS bandwidth allocation by up to 25% to optimize performance for specific database or logging requirements.