is an 'AI PC' with an NPU worth it for running local LLMs? the honest 2026 answer

Copilot+ 'AI PCs' have a dedicated NPU chip — but here's the catch nobody advertises: it can't run local chatbots. A cheap old GPU runs them 10x… Aliteq Ravi Malhotra · Hardware Editor

NPUs can't run local LLMs (Ollama/llama.cpp) as of 2026 — that work falls to the CPU or iGPU, which is slow.

Performance gap is huge: ~5-10 tok/s on a Copilot+ NPU laptop vs ~100 tok/s on a used RTX 3090.

A discrete GPU beats an NPU laptop for local AI, decisively — and often costs less.

NPUs are for background AI — video-call blur, live transcription, low-power tasks, all-day battery.

Buy an AI PC for battery life + Windows AI features; buy a GPU for running actual local models.

Not worth it for running local LLMs — NPUs can't run Ollama/llama.cpp, so it falls to the CPU/iGPU at ~5-10 tok/s versus ~100 on a used RTX 3090. Buy a Copilot+ AI PC for battery life and Windows AI…

AI PC / NPU for local LLMs 2026

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