Arm Unveils C2 CPU and Mali G2-Ultra NX GPU to Bring AI-Native Ray Tracing to Mobile

On Tuesday, September 8, 2026, Arm Holdings detailed a silicon architecture that cuts the computational cost of mobile ray tracing by 70 percent. The company's new Compute Subsystem (CSS) for Mobile 2 introduces the C2 CPU and the Mali G2-Ultra NX GPU, marking the first time the British chip designer has integrated a dedicated neural engine directly into its graphics hardware.[1][3]

The integration fundamentally changes how Android devices will render complex lighting. Instead of relying on a separate Neural Processing Unit (NPU) across the motherboard, the Mali G2-Ultra NX handles AI upscaling and frame generation internally.[5][6]

Technology outlet 9to5Google reported that Arm's new CPU cores and GPUs for Android chips promise 'desktop-class' games, noting that the localized neural hardware eliminates the latency penalty previously incurred when the GPU and NPU traded data back and forth.[4]

The 70 percent reduction in ray tracing cost specifically targets the thermal limits of modern smartphones. Ray tracing—the physical simulation of light bouncing off virtual surfaces—traditionally forces mobile processors to throttle clock speeds within minutes to prevent overheating.[3]

By offloading the heaviest calculations to the onboard neural engine, the Mali G2-Ultra NX allows developers to maintain sustained peak performance. Gadgets Now highlighted that building the neural engine into the newest Mali phone GPU directly addresses the battery drain that has historically kept AAA console ports from running smoothly on mobile.[7]

Alongside the graphics overhaul, the CSS for Mobile 2 platform introduces the C2 CPU, which Arm explicitly designed for what the industry terms 'agentic AI.'[1][2]

Agentic AI refers to on-device models that can take autonomous actions across multiple apps without waiting for cloud server validation. The C2 core increases integer and floating-point throughput to process these background language models while the user is actively playing a game at 60 or 120 frames per second.[2][5]

The hardware announcement signals a shift in the mobile silicon market, where Arm provides the foundational blueprints for manufacturers like MediaTek and Samsung. Unite.AI noted that the Mali G2-Ultra NX represents Arm's 'first AI-native mobile GPU,' setting a new baseline for the 2027 flagship Android release cycle.[6]

Silicon vendors typically require 6 to 9 months to integrate new Arm architectures into their own system-on-chip designs. Consequently, the first consumer handsets featuring the C2 and Mali G2-Ultra NX are expected to hit retail shelves in the second half of 2027, dictating the performance ceiling for the next generation of mobile esports.[4][5]