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Arm Launches Lumex to Bring On‑Device AI to Next‑Gen Phones and PCs

The company is pitching CPU‑side SME2 with KleidiAI to make on‑device AI a baseline for upcoming phones and PCs.

Overview

  • Lumex debuts with the C1 CPU family—Ultra, Premium, Pro and Nano—adding SME2 matrix extensions that Arm says deliver up to 5x AI performance and about 25% higher single‑threaded speed versus Cortex X925.
  • The new Mali G1‑Ultra GPU is billed for roughly 20% higher graphics performance, double the ray‑tracing throughput and 20% faster AI inference compared with Immortalis‑G925.
  • As part of Arm’s Compute Subsystems, Lumex adds a redesigned system interconnect and memory management for AI workloads and is optimized for 3nm manufacturing nodes such as TSMC’s.
  • Arm’s KleidiAI libraries are integrated with frameworks including PyTorch, Llama, LiteRT and ONNX to expose SME2 acceleration to developers without custom per‑device code.
  • Arm emphasized a CPU‑centric approach to AI and showed on‑device LLM and gaming “coach” demos, with licensee silicon and consumer devices expected later this year or early next year.