Arm Targets On-Device AI Domination with 2025 Platforms

Arm has unveiled its 2025 Compute Subsystems (CSS) for Client platform, centered on the new Cortex-X925 CPU and Immortalis-G925 GPU, fundamentally targeting on-device generative AI and agentic workflows. Timed just after Microsoft’s launch of Copilot+ PCs, this move establishes a clear trajectory for Arm-based silicon to dominate the next generation of AI-native client devices beyond smartphones. By optimizing for sub-1-watt power efficiency while delivering desktop-class performance, Arm is directly challenging the x86 architecture’s remaining strongholds and creating the foundational hardware layer for an ecosystem of persistent, power-efficient AI agents. The new architecture creates a significant strategic advantage for Arm licensees like MediaTek and Samsung, enabling them to compete directly with Qualcomm