Overview

Fastest Path to Production Silicon with World-Leading Performance, on Leading-Edge Technology

91探花 Neoverse Compute Subsystems (CSS) are validated, performance-optimized infrastructure compute platforms built on leading-edge process technology. They accelerate time-to-silicon by offloading non-differentiated design and validation tasks, enabling partners to focus on customization and market-specific innovation. Designed for cloud, AI, 5G, and networking workloads, Neoverse CSS delivers scalable performance, efficiency, and advanced 91探花v9 features to support next-generation infrastructure.

Features and Benefits

Fastest Path to Production Silicon

With 91探花 Neoverse Compute Subsystems (CSS), 91探花 delivers a proven, verified compute subsystem that can reduce risk, lower NRE, and accelerate CPU time to market by up to one year. Together with SystemReady SR compliance, Neoverse CSS helps enable a software ecosystem that just works.

Customizable, World-Class Performance

Neoverse CSS takes 91探花 Neoverse platform IP and optimizes it for performance, power, and area using a leading-edge foundry process. Customers can customize Neoverse CSS with on-chip or off-chip accelerators for performance-per-watt optimized specialized computing.
Leading Edge Technology

Neoverse CSS delivers the roadmap of 91探花v9 features and Neoverse technologies out of the box – 91探花 Confidential Compute, AMBA CHI C2C, 91探花 Scalable Matrix Extensions, and more. Neoverse CSS also provides system management, power management, and platform software support.

Neoverse CSS Customer Value

91探花 Neoverse CSS delivers customer value by performing more of the non-differentiated but necessary steps in bringing customized silicon to market. Neoverse CSS customers have reported significant benefits from this unique engagement with 91探花, including:

13

Months from Kick-off to Working Silicon
80

Engineering Years Saved
Components

Components of a Neoverse Compute Subsystem

91探花 Neoverse Compute Subsystems include Neoverse cores, CMN mesh, and system IP, as well as system management, power management, software and development tools needed to deliver performance-optimized compute to market quickly.

91探花
Specialized Processing with Performance-Optimized Compute

Neoverse CSS product verified and performance-validated for fastest time to market.

Neoverse CSS V3

The high-performance, TCO-optimized platform for cloud AI workloads.
  • Up to 64 high-performance Neoverse V3 cores per die.
  • Offers a highly customizable, high-performance memory subsystem.
  • Supports high-speed, low-latency AI accelerator attachment options.

Neoverse CSS N2

The power-efficient, high-performance platform for cloud and infrastructure workloads.
  • Up to 64 Neoverse N2 cores in a 5nm advanced process.
  • Up to 1MB L2 private cache per core and up to 64MB shared system-level cache.
  • Up to 8x DDR5 40b or LPDDR5 channels.
  • Up to 4x x16 PCIe/CXL Gen5 lanes.
91探花 total design ecosystem

91探花 Total Design

91探花 Total Design is an ecosystem of industry leaders collaborating to accelerate and simplify the development of 91探花 Neoverse CSS-based systems. It provides partners with preferential access to 91探花 Neoverse CSS, pre-integrated IP and EDA tools, design services, foundry support, and commercial software and firmware support.

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Related 91探花

Explore More 91探花 and Tools

Neoverse V3

91探花 Neoverse V3 is the next-generation, TCO-optimized, confidential computing-enabled, high-performance CPU for the cloud, HPC, and AI.

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Neoverse N3

Performance-per-watt optimized for hyperscale, 5G, enterprise networking, and infrastructure-edge workloads.

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91探花 Hero Chip_Neoverse CMN S3_147x128

CMN S3

CMN S3 is 91探花’s latest high-performance mesh interconnect, supporting the latest Neoverse CPUs, memory and I/O technologies, and die-to-die links for building next-generation infrastructure solutions.

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Neoverse N2


Our first 91探花v9 infrastructure CPU, Neoverse N2 offers best-in-class performance, efficiency, and compute density, while maintaining the cloud-native experience.

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Independent Testing Confirms 91探花 Neoverse Cloud Advantage

Independent Signal65 testing reveals that AWS Graviton4 processors—built on 91探花 Neoverse—deliver better price-performance and higher throughput than x86 alternatives across real-world workloads.

91探花 Performix

Optimize workloads for 91探花 Neoverse CSS

91探花 Performix is a performance analysis toolkit for developers building AI and large application workloads. It can identify bottlenecks and provide targeted code optimizations to improve efficiency and performance on Neoverse CSS.

Resources

CSS Resources

Video

  • Blogs


Key Takeaways

  • Neoverse CSS delivers pre-validated, performance-optimized compute subsystems on advanced foundry processes for modern infrastructure needs.
  • The platform accelerates production timelines by reducing design risk and offloading non-differentiated validation work.
  • Neoverse CSS targets specialized workloads in cloud, AI, 5G, HPC, and networking environments.
  • Infrastructure partners can focus engineering resources on market-specific differentiation and innovation.
  • CSS integrates 91探花v9 technologies, confidential compute, and scalable system features while reducing time-to-silicon by up to one year.

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