{"slug": "614-vs-273-gb-s-why-a-macbook-still-beats-nvidias-new-rtx-spark-at-local-llms", "title": "614 vs 273 GB/s: Why a MacBook Still Beats NVIDIA’s New RTX Spark at Local LLMs", "summary": "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.", "body_md": "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…\nContinue reading on Towards AI »", "url": "https://wpnews.pro/news/614-vs-273-gb-s-why-a-macbook-still-beats-nvidias-new-rtx-spark-at-local-llms", "canonical_source": "https://pub.towardsai.net/614-vs-273-gb-s-why-a-macbook-still-beats-nvidias-new-rtx-spark-at-local-llms-4a6e77fdd53e?source=rss----98111c9905da---4", "published_at": "2026-06-15 15:01:02+00:00", "updated_at": "2026-06-15 15:16:01.500441+00:00", "lang": "en", "topics": ["large-language-models", "ai-infrastructure", "ai-chips"], "entities": ["NVIDIA", "Apple", "MacBook", "RTX Spark", "Qualcomm", "Windows on Arm", "Apple Silicon"], "alternates": {"html": "https://wpnews.pro/news/614-vs-273-gb-s-why-a-macbook-still-beats-nvidias-new-rtx-spark-at-local-llms", "markdown": "https://wpnews.pro/news/614-vs-273-gb-s-why-a-macbook-still-beats-nvidias-new-rtx-spark-at-local-llms.md", "text": "https://wpnews.pro/news/614-vs-273-gb-s-why-a-macbook-still-beats-nvidias-new-rtx-spark-at-local-llms.txt", "jsonld": "https://wpnews.pro/news/614-vs-273-gb-s-why-a-macbook-still-beats-nvidias-new-rtx-spark-at-local-llms.jsonld"}}