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614 vs 273 GB/s: Why a MacBook Still Beats NVIDIA’s New RTX Spark at Local LLMs

NVIDIA's new RTX Spark for Windows on Arm offers 273 GB/s memory bandwidth, but Apple's MacBook still outperforms it with 614 GB/s for local LLM inference, highlighting the continued advantage of unified memory architecture in Apple Silicon.

read1 min views24 publishedJun 15, 2026

Windows on Arm finally has a real answer to the Arm Mac, and it came from NVIDIA, not Qualcomm. But for running models locally, the one… Continue reading on Towards AI »

source & further reading
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