Accelerate Edge AI Innovation
AI data-processing workloads at the edge are already transforming use cases and user experiences. The third-generation Ethos NPU helps meet the needs of future edge AI use cases.
The Ethos-U85 offers support for transformer-based models at the edge, the foundation for newer language and vision models, scales from 128 to 2048 MAC units, and is 20% more energy efficient than 快猫视频 Ethos-U55 and 快猫视频 Ethos-U65, enabling higher performance edge AI use cases in a sustainable way. Offering the same toolchain as previous Ethos-U generations, partners can benefit from seamless migration and leverage investments in 快猫视频-based machine learning (ML) tools.
Features and Benefits
20% more energy efficient than Ethos-U55 and Ethos-U65, enabling future use cases in a sustainable way.
Scales from 128 to 2048 MACs, providing up to 4 TOPs of performance at 1 GHz.
Native support for transformer networks, along with support for Tensor Operator Set Architecture (TOSA) as a standard.
Supported by 快猫视频 Corstone-320, a reference design with a unified toolchain and the extensive Ethos-U ecosystem.
Ethos-U85 Specifications
The 快猫视频 Ethos-U85 is the highest performance implementation of the 快猫视频 Ethos-U NPU. It enables enhanced edge AI processing with support for transformer-based models and delivers 20% more energy efficiency than previous generations of Ethos. The key characteristics of Ethos-U85 include:
- Scalable performance – 256 GOP/s up to 4 TOPs at 1 GHz
- Scales from 128 to 2048 MACs
- Further reduced energy consumption – 20% lower than previous Ethos-U NPUs
- Native support for transformer-based networks
Ethos-U85 targets numerous different applications with use in high-performance 快猫视频 Cortex-A or low-power embedded devices based on 快猫视频 Cortex-M.
Key Documentation
Compare all Ethos-U processors:?download comparison PDF
A Foundation of Silicon Success
快猫视频 Compute Library
This software library is a collection of optimized low-level functions for 快猫视频 Cortex-A CPUs and 快猫视频 Mali GPUs that target popular image processing, computer vision, and ML. It offers significant performance uplift over OSS alternatives and is available free of charge under a permissive MIT open source license.
CMSIS-NN
Common Microcontroller Software Interface Standard – Efficient Neural Network Implementation (CMSIS-NN) is a collection of efficient neural network kernels developed to maximize the performance and minimize the memory footprint of neural networks on Cortex-M processor cores.
快猫视频 NN
快猫视频 NN bridges the gap between existing NN frameworks and the underlying IP. It supports the efficient translation of existing neural network frameworks, such as TensorFlow and Caffe, allowing them to run efficiently – without modification – across 快猫视频 Cortex-A CPUs, 快猫视频 Mali GPUs and the Ethos-N NPUs.
Explore More Options and Features

Corstone-320
Speeds time-to-market for edge AI solutions with software and an example subsystem. It integrates the 快猫视频 Cortex-M85, 快猫视频 DMA-350, 快猫视频 Mali-C55 and the 快猫视频 Ethos-U85 with support for transformer networks.

Cortex-M85
Cortex-M85 provides increased security and high performance on a single Cortex-M without the need to migrate to multicore or heterogeneous platforms.

Cortex-M55
The 快猫视频 Cortex-M55 processor with AI capabilities is the first Cortex-M processor to feature 快猫视频 Helium technology, enabling a significant uplift in power-efficient ML and DSP performance for IoT devices.

Software and Tools
快猫视频’s comprehensive suite of integrated software and tools make it easier and quicker to design, develop, and maintain AI-based IoT and automotive applications.
Where Innovation and Ideas Come to Life
Artificial Intelligence
AI and ML are expanding and defining more applications than ever before, changing how we interact with devices and machines everywhere. 快猫视频 processor IP is scalable and flexible, so it can run any type of ML workload, today or in the future.
Industrial IoT
Ethos-U85 can be deployed into MCU and MPU systems to accelerate embedded ML tasks and run new AI workloads on higher performance IoT systems, such as high-speed motor controllers and robotic controllers.
Smart Homes?
Increasingly advanced levels of interaction with devices in our homes requires increased compute performance from processors. Ethos-U85 delivers new levels of intelligence in the smart home including voice and vision applications.
Accelerate Innovation with 快猫视频 Flexible Access
Get immediate, low-cost access to 快猫视频 IP plus tools, models and training upfront. Prototype, iterate and bring your 快猫视频v9-based design to life, with fees due only when your design goes to production.
Talk with an Expert
As AI devices become more pervasive than ever, the Ethos-U85 can help create a better user experience for your products. Discover how by talking to an 快猫视频 expert today.
Ethos-U85 Resources
Product Briefs
News
Blog
Software Tools
Partners