Our Most Powerful and Efficient Mid-Range Processor
Cortex-A55, built on DynamIQ technology, is designed for extreme scalability in constrained environments. It features the latest Armv8-A architecture extensions that introduce new NEON instructions for machine learning, advanced safety features and more support for Reliability, Accessibility and Serviceability (RAS).
Features and Benefits
With a flexible design that meets requirements across multiple markets, the Cortex-A55 processor delivers greater performance, power efficiency and safety over its predecessor.
Microarchitecture improvements provide more responsive user interactions for touchscreens and higher reaction speeds in autonomous automotive applications, for longer periods of sustained performance.
Fine-grained power control ensures Cortex-A55 delivers high performance with superior efficiency.
Configurable L2 cache achieves more than 50% reduced latency for memory accesses. L3 cache shared across up to eight Cortex-A55 CPUs within a single cluster.
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Explore More Options and Features
Cortex-A Processor
The Cortex-A processor series provides a range of solutions for devices undertaking complex compute tasks, such as hosting a rich operating system platform and supporting multiple software applications.
Mali Graphics Processors
Mali GPUs include both graphics and GPU compute technology to offer a diverse selection of low-power, scalable solutions for premium smartphones, tablets, and digital TVs.
System IP
Arm System IP enables system designers to configure and build high-performance, power-efficient SoCs while further differentiating with Arm processors and their own IP elements integrated via industry-standard AMBA interfaces.
A Foundation of Silicon Success
Arm-based chips, device architectures, and technologies orchestrate the performance of everything that makes modern life possible — from smartphones to agricultural sensors and from medical instruments to servers.
Armv8-A Architecture
The latest-generation Arm architecture targets the Applications (“A”) profile and introduces changes for the design of significantly higher performance processor implementations, including a large physical address, 64-bit virtual addressing, a new exception model, and efficient cache management.
DynamIQ
Combines big and LITTLE CPUs into a single, fully integrated cluster, bringing benefits in power and performance for everything from mobile devices to infrastructure.
Arm Neon Technology
Neon technology is an advanced SIMD architecture extension for the Arm Cortex-A and Cortex-R series processors. The architecture extension improves the multimedia user experience across many applications.
Safety Ready
Functional safety is a critical element in the design of any system that requires a high level of reliability. Arm’s Safety Ready program is a collection of products across the Arm portfolio that have been through various and rigorous levels of functional safety systematic flows and development.
Cortex-A55 Resources
Everything you need to know to make the right decision for your project. Includes technical documentation, industry insights, and where to go for expert advice.
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