Sebastian Raschka 10/29/2025

DGX Spark and Mac Mini for Local PyTorch Development

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This article provides a technical comparison between the DGX Spark and a Mac Mini M4 Pro for local PyTorch development, specifically for LLM inference and fine-tuning. It includes performance benchmarks for a custom 0.6B parameter model, highlighting the DGX Spark's superior performance (comparable to an H100) and its advantage of 128GB VRAM for larger models, while discussing PyTorch MPS limitations on Mac.

DGX Spark and Mac Mini for Local PyTorch Development

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