**Imagination Unveils PowerVR 2NX NNA: The Most Efficient Neural Network Accelerator for Next-Gen AI Devices**
When experts look into the future of artificial intelligence, they know that hardware will play a crucial role. Imagination Technologies’ latest neural network accelerator, the PowerVR 2NX NNA, is now delivering performance that’s twice as close to the competition as any other solution—whether it’s based on DSP + hardware, VPU + hardware, or dedicated neural network DSPs. This makes it an ideal choice for HiSilicon’s next-generation Kirin chips and sets a new benchmark in AI processing.
Artificial intelligence has become a key strategic asset for nations worldwide, as it's set to revolutionize critical equipment across industries. Today, Huawei has already outperformed Apple’s iPhone 8 using AI technology, proving that the future of computing lies in intelligent, on-device processing. As neural networks evolve to mimic human brain functions more closely, they are becoming the core of machine learning and deep learning in next-gen devices.
Chris Longstaff, Senior Director of Product and Technology Marketing at Imagination, said: “The next generation of AI devices won’t rely solely on software or cloud computing. Hardware accelerators like the PowerVR 2NX NNA will be essential for machine learning and deep learning. These neural network units are destined to become standard components in SoCs, just like CPUs and GPUs.â€
Neural networks—including CNNs, RNNs, and LSTMs—are driving rapid advancements in AI applications. Imagination’s PowerVR 2NX NNA, a standalone hardware IP solution, offers industry-leading performance, power efficiency, and area efficiency through its specialized architecture. It allows companies developing SoCs for mobile, surveillance, automotive, and consumer systems to integrate high-performance AI with minimal power and chip space.
For example, in drones, the PowerVR 2NX can enable collision avoidance within less than 1 meter, compared to 10–15 meters if relying on cloud computing. In image processing, it reduces photo sorting time from 60 seconds to just 2 seconds. These improvements make it a game-changer for real-time AI applications.
NNA is emerging as a fundamental processor type, comparable to CPUs and GPUs. Its applications span AR/VR headsets, automotive safety systems, smart surveillance, virtual assistants, and more. David Harold, Vice President of Marketing at Imagination, noted that PowerVR 2NX is the first dedicated neural network solution supporting flexible bit widths (from 16-bit to 4-bit) and multiple operating systems, including Android and Linux.
According to the Embedded Vision Developer Survey, 79% of developers are already using or planning to use neural networks in their products. With PowerVR 2NX, companies can develop advanced AI features while meeting strict cost and power constraints.
Jeff Bier of the Embedded Vision Alliance emphasized that dedicated processors like the 2NX NNA are key to enabling powerful algorithms in various applications. As neural networks grow more complex, bandwidth demands increase, but PowerVR 2NX minimizes memory bandwidth usage, ensuring system performance isn't bottlenecked.
PowerVR 2NX is designed from the ground up to deliver:
- Industry’s highest unit milliwatt inference (mW) IP core
- Highest in-plane/inference (mm²) IP core for cost-effectiveness
- Lowest bandwidth solution with support for 4-bit mode
- Leading performance with 2048 MAC per cycle
- Comprehensive hardware-based neural network solution
Chris Longstaff added, “Dedicated neural network hardware will become a standard IP module in future SoCs. We’re proud to offer the first complete solution that delivers top performance with low power and bandwidth, helping developers quickly deploy and monetize their AI models.â€
The 2NX includes hardware, software, and tools to provide a full neural network solution. It supports both standalone and multi-core configurations, making it adaptable to a wide range of applications.
**Applications Across Markets**
From mobile devices to automotive systems and home entertainment, PowerVR 2NX NNA is highly scalable. In mobile, it supports TensorFlow Lite and Caffe2Go, enabling efficient AI processing in smartphones. In surveillance, it enables edge-based video analysis without heavy GPU reliance. In automotive, it powers driver monitoring and object detection. In home entertainment, it enhances user experiences through personalized content delivery.
Tony Chia of mobile VR/AR noted that the PowerVR 2NX brings immersive AI experiences to VR and AR, enabling gesture recognition, speech control, and more.
**Developer-Friendly Tools**
Imagination provides developers with mapping tools, sample networks, and evaluation kits to simplify deployment. The universal DNN API allows seamless integration across CPU, GPU, and NNA, making it easier to prototype and test AI applications.
The PowerVR 2NX NNA is now available for licensing, offering a powerful, efficient, and flexible solution for the next era of AI-driven devices.
**About Imagination Technologies**
Imagination Technologies is a global leader in silicon IP, providing cutting-edge solutions for mobile, consumer, and embedded electronics. Their multimedia, processor, and connectivity technologies help customers create differentiated SoC platforms and bring innovative products to market faster.
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