Dec. 4, 2025 — As cloud workloads continue to grow in complexity and scale, organizations face a persistent challenge: how to simultaneously deliver faster performance, lower costs, and meet sustainability commitments. Traditional approaches often force trade-offs, leaving you to choose between speed and efficiency.
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To address this need, today AWS is introducing Graviton5 processors—AWS’s most advanced custom chip to date for a broad set of cloud workloads. Graviton5 delivers up to 25% better compute performance than the previous generation while maintaining leading energy efficiency, enabling you to run applications faster, reduce costs, and meet sustainability goals.
Graviton5 Delivers Measurable Business Impact
Graviton5-based EC2 M9g instances enable you to process information more efficiently with the highest CPU core density available in Amazon EC2—192 cores in a single package. This efficient design reduces the distance data must travel between cores, cutting inter-core communication latency by up to 33% while increasing bandwidth. Demanding workloads like real-time gaming, high-performance databases, big data analytics, application servers, and Electronic Design Automation (EDA) can now scale up with faster data exchange between processing cores.
The chip includes a 5x larger L3 cache—a high-speed memory buffer that keeps frequently accessed data close to the processor. Each Graviton5 core has access to 2.6x more L3 cache than Graviton4, which translates to fewer delays waiting for data and faster application response times. Memory performance has also improved, with Graviton5 providing faster memory speeds, enabling you to process larger datasets and run memory-intensive applications more efficiently.
Network and storage bandwidth have also increased, with up to 15% higher network bandwidth and 20% higher Amazon Elastic Block Store (EBS) bandwidth on average across instance sizes, and up to twice the network bandwidth for the largest instances—resulting in faster data transfers, quicker backups, and improved performance for distributed applications.
Graviton5 also delivers better performance while being more energy efficient, helping you meet sustainability targets without compromising capability. These innovations are possible because of end-to-end ownership from chip design through server architecture. Graviton5 adopts the latest 3nm technology, optimizes the design for AWS use cases, and allows for system-level optimizations such as bare-die cooling.
Graviton5 Advances Security Without Compromise
Built on the AWS Nitro System—the security and performance foundation trusted by the world’s most privacy-conscious organizations across government, healthcare, and financial services—Graviton5 instances leverage sixth-generation Nitro Cards to offload virtualization, storage, and networking functions to dedicated hardware. This architecture delivers virtually all the server’s compute and memory resources directly to workloads while implementing a zero-operator access design that fundamentally prevents any other system or person from logging into EC2 servers, reading instance memory, or accessing customer data.
Graviton5 introduces the Nitro Isolation Engine as an enhancement to the Nitro System, harnessing formal verification to provide mathematical certainty that workloads are isolated from each other and AWS operators. Nitro Isolation Engine’s minimal, formally verified codebase uses mathematical proofs to ensure it behaves exactly as defined, pioneering a new standard for mathematically proven cloud security. AWS will engage with customers to provide access to the Nitro Isolation Engine implementation so they can evaluate it and the resulting proofs.
Graviton5-based M9g instances designed for general purpose workloads are available in preview now. C9g instances for compute-intensive workloads and R9g instances for memory-intensive workloads are planned for 2026.
Source: AWS
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