Use cases
AI at your fingertips: Real-world on-device intelligence that’s always ready
Enhanced photography, immersive gaming, smart assistants, and real-time translation now run on device with low latency, strong privacy, and efficient power use.
Smart AI-powered photography
AI-powered vision technology that automatically applies creative filters while intelligently editing and correcting details to deliver the perfect shot every time.
Immersive graphics for mobile gaming
Immersive, rich gaming is now possible on mobile devices thanks to the Arm Mali G1 GPU with Arm Ray Tracing v2 (RTUv2), delivering smooth, high-fidelity graphics with exceptional power efficiency. Built on Arm Lumex, this experience brings optimized, high-end visual performance to mobile devices — anytime, anywhere.
Context-aware personal AI assistant
Make your day run smoother with AI that proactively manages tasks, optimizes schedules, suggests faster routes, and surfaces timely app interactions. Running entirely on device with minimal power usage, Arm Lumex CSS enables an intelligent, battery-efficient experience that feels like a personal assistant in your pocket.
On-device real-time voice translation
Speak naturally, understand instantly. Arm Lumex CSS enables seamless, secure, real-time voice translation directly on the device, delivering fast, private, and always available communication—even without internet access.
Why choose Arm Lumex CSS
A unified subsystem across device tiers
A holistic CPU, GPU, and system architecture designed to scale consistently from mid-range to premium smartphones.
AI-first performance efficiency
Delivers up to 5× AI performance uplift within the same power budget through system-wide optimization.1
Advanced mobile graphics at scale
Up to 2× ray tracing performance, enabling high-quality immersive mobile gaming experiences across the ecosystem.2
Benefits
Built for AI performance, efficiency, and scale
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Faster on-device AI with real-time responsiveness:
Up to 5× uplift in machine learning tasks enables low-latency, on-device intelligence.
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Longer battery life for AI-heavy workloads:
Up to 3× energy savings compared to previous generations.
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Reduced development time and faster launches:
Ready-to-use physical designs accelerate time to market.
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Improved developer productivity:
Integrated tools for profiling, debugging, and optimizing AI applications.
Inside Lumex
The building blocks of Arm Lumex CSS platform
The Arm Lumex CSS Platform integrates advanced CPUs, GPUs, interconnect, and system IP to accelerate next-generation AI workloads on mobile. Together, these components deliver exceptional performance, energy efficiency, and developer-ready scalability across flagship to mainstream devices.
Dedicated AI compute acceleration
Built on C1 CPUs with Arm SME2 for dedicated AI compute.
AI-enhanced graphics performance
Includes the Arm Mali-G1 GPU with Ray Tracing v2 for AI-enhanced visuals.
Unified AI software readiness
AI readiness enabled by Arm KleidiAI and unified developer tools.
Partnerships
Building the future with our ecosystem
Hear how innovative partners like Google, Tencent GiiNEX, Alipay, and Alibaba are collaborating with Arm to accelerate on-device AI innovation.
Success Stories
Ecosystem and partner collaborations
See how innovative partners such as Google, Alipay, vivo, and OPPO are collaborating with Arm to accelerate on-device AI innovation.
Developer
Build next-gen mobile AI with Arm Lumex CSS
Access key tools and SDKs to optimize generative AI and image super-resolution on Arm-based devices.
Accelerate AI on Arm devices with SME2
Explore developer resources for deploying on-device generative AI using Arm-optimized toolchains and models.
Master AI with SME2 on Arm CPUs
Dive into the SME2 Programmer’s Guide and learn how to leverage SME2 for high-throughput, low-latency AI acceleration—right on the CPU.
Optimize code with Arm Performance Studio
Leverage powerful profiling tools like Streamline and Performance Advisor, optimized specifically for GPU & CPU architectures, to identify bottlenecks, boost FPS, reduce power consumption, and enhance user experiences.
Resources
Latest news and resources
- NEWS and BLOGS
- Developer
Boost Android app efficiency with SME2
Learn how SME2 helps accelerate AI performance on Arm CPUs, enabling more responsive and efficient mobile experiences.
Key takeaways
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Lumex CSS enables AI-first computing on mobile and PC with integrated CPU, GPU, interconnect, and unified software.
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It delivers up to 5x faster machine learning performance under the same power budget.
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Power efficiency improvements provide up to 3x energy savings.
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Features, such as Mali G1-Ultra GPU, can deliver 2x ray-tracing performance for mobile gaming.
FAQs
What is the Arm Lumex CSS?
Arm Lumex CSS is designed for AI-first smartphones. It integrates Armv9.3-A CPUs with SME2 for AI acceleration, a Mali GPU with Ray Tracing v2, and unified software tools to enable real-time, on-device intelligence.
How does Arm Lumex CSS improve mobile AI performance?
Arm Lumex CSS Platform delivers up to 5x uplift in machine learning performance and 3x greater energy efficiency compared to previous generations, enabling always-on AI features, faster photo processing, and real-time user interactions.
What are the main components of Arm Lumex CSS? What CPUs are included?
- Armv9.3-A CPUs with SME2 for vectorized AI compute.
- Mali GPU with Ray Tracing v2 for high-end graphics and AI-enhanced visuals.
- New optimized System IP: Re-designed System Interconnect (SI) and optimized System Memory Management Unit (MMU).
- Kleidi AI Software for developer-ready AI workflows.
- Unified telemetry tools for real-time system insights.
- Ready-to-use physical implementations for reduced time to market.
What are real-world use cases of Arm Lumex CSS in consumer devices?
Arm Lumex CSS powers a range of AI-first experiences in smartphones and mobile devices. Real-world use cases include:
- AI-enhanced photography: Automatically adjust lighting, remove blur, and enhance image quality in real time.
- On-device fitness coaching: Guide workouts and monitor performance with AI-driven motion tracking and analysis.
- Voice assistants and translators: Enable real-time translation and personalized voice interaction without relying on the cloud.
- Intelligent productivity tools: Support AI-generated content, music creation, and real-time text enhancements directly on the device.
These applications demonstrate how Arm Lumex CSS enables fast, private, and immersive AI features directly on consumer devices, no cloud dependency required.
What's the difference between Arm Lumex CSS and previous Arm compute subsystem?
Arm Lumex CSS introduces Armv9.3-A CPUs, SME2, and the Mali G1 GPUs with advanced ray tracing. These compute components are integrated with the new re-designed SI L1 system interconnect and optimized MMU L1 system memory management unit. It also features unified developer tools and ready-to-use implementations, dramatically reducing complexity and development cycles.
How do I start building with SME2 and Kleidi?
You can begin by accessing: