The Cortex-A73 processor is the most-efficient high-performance processor that implements the Armv8-A architecture.


The Cortex-A73 processor can be paired with the Cortex-A53 or Cortex-A35 processor in a big.LITTLE configuration for mobile applications. The Cortex-A73 processor cluster has one to four cores, each with their L1 instruction and data caches, together with a single shared L2 unified cache.

Information on Cortex-A73.

Key benefits

  • Highest performance in mobile power envelope. Up to 30% higher performance than previous generation.
  • Up to 2.8GHz frequency for highest peak performance.

  • New levels of sustained usage for the best user experience. Up to 30% increase in power efficiency.

  • Smallest premium Armv8-A processor ever. Premium CPU under 0.65mm² per core.
This processor can also be implemented in an Arm big.LITTLE configuration, for example with the Cortex-A53 or Cortex-A35 processor.


Architecture  Armv8-A
Multicore 1-4x Symmetrical Multiprocessing (SMP) within a single processor cluster, and multiple coherent SMP processor clusters through AMBA 4 ACE technology
ISA Support
  • AArch32 for full backward compatibility with Armv7
  • AArch64 for 64-bit support and new architectural features
  • TrustZone security technology
  • NEON advanced SIMD
  • DSP & SIMD extensions
  • VFPv4 floating point
  • Hardware virtualization support
Debug & Trace

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The Cortex-A73 is the most efficient Premium processor from Arm, designed for use in a range of devices which require the highest performance in the Arm low-power architecture.

Premiere to mid-range smartphones

Digital TV

Over-the-top and set-top box devices

Large screen mobile devices

Home networking

Automotive infotainment

Key features

Efficient Out-of-Order Pipeline

Microarchitecture performance and power improvements to maximize efficiency of the 2-wide out-of-order pipeline. Achieve highest peak and sustained performance at frequencies up to 2.8GHz in advanced process technology for Premium smartphones.

State-of-the-art Branch Prediction and Power-Optimized Instruction Fetching

Advanced sophisticated prediction algorithm with power-optimized 64kB instruction cache.

High-performance Memory System

Full out-of-order dual-issue load/store capability combined with up to 64kB data cache. Enhanced data prefetching with automatic complex pattern detection.

Optimized mobile and consumer feature set

Combined with Cortex-A53 or Cortex-35 in big.LITTLE configuration using Arm CCI interconnect for high scalability.


The Cortex-A73 is the most efficient and highest performance application processor. It delivers 30% more performance than the Curtex-A72 current devices in a mobile power envelope for the best user experience.

The Cortex-A73 supports the Armv8-A architecture and is specifically optimized for mobile and consumer workload. It improves sustained performance and power efficiency by 30% over previous generation. Implementing at up to 2.8GHz, the Cortex-A73 increases the performance to power large screen mobile devices.

The Cortex-A73 is also the smallest premium Armv8-A processor. The Cortex-A73 delivers the highest single-thread performance in the smallest area footprint. Especially in big.LITTLE, it scales efficiently into mid-range smartphones and consumer devices to boost the user experience.

Related IP

The Cortex-A73 processor can be incorporated into a SoC using a broad range of Arm technology including Graphics IP, System IP, and Physical IP. The Cortex-A73 processor is fully supported by Arm development tools. Related IP includes:

Graphic IP
Other IP

Mali-G71 GPU

Mali-DP550 display processor

Mali-V550 video processor

CoreLink CCI-550

CoreLink Interrupt Controllers

CoreLink System Controllers

TrustZone System IP

CoreLink DMC-500 and CoreLink DMC-520

CoreSight SoC-400


Fixed Virtual Platforms

Development Boards

Arm Compiler

Fast Models


Arm training courses and on-site system-design advisory services enable licensees to efficiently integrate the Cortex-A73 processor into their design to realize maximum system performance with lowest risk and fastest time-to-market.

Arm training courses Arm Design Reviews

  • A guide on software optimization.
  • Cortex-A73 Software Optimization Guide

    For software engineers and programmers, the software optimization guide examines the performance characteristics of instructions in detail.

    Coming Soon

  • Manual containing technical information.
  • Cortex-A73 Technical Reference Manual

    For system designers, system integrators and programmers who are designing a SoC, the Technical Reference Manual is the go-to resource.

    Read here
  • Architecture A 62 guide
  • Porting to Arm 64-bit

    If you are migrating from an Armv7 architecture based design to the Armv8 64-bit A64 instruction set, we provide a porting guide to help you.

    Get the guide
  • a ulink, a board, a desktop.
  • Development Tools for Cortex-A

    Arm and our partners provide specialist code generation, debug and analysis tools for software development on Cortex-A series processors, such as DS-5 Development Studio.

    Learn more
  • A program that is running on a desktop.
  • Cortex-A Series Programmer's Guide for Armv8-A

    Common to all Cortex-A series processors, this programmer's guide is useful for assembly and C language application development for Armv8-A.

    Get the guide

  • Product due to be released to  market.
  • Arm Design Reviews

    Arm's on-site design review service gives licensees confidence that their Cortex-A73 CPU is implemented efficiently, to provide maximum system performance, with lowest risk and fastest time-to-market.

    Learn more
  • The top half of a human.
  • Questions? Request more information

    Learn more about Cortex-A73, Arm's most-efficient high-performance processor that implements the Armv8-A architecture. Contact us to speak with our technical team.

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