DGX Spark Systems Exhibit Thermal Performance Differences
StorageReview tested five NVIDIA DGX Spark systems (NVIDIA Founders Edition, Gigabyte, Dell, Acer, ASUS) using vLLM online-serving benchmarks with the GPT-OSS-120B model to compare thermal and power characteristics. The tests show Acer’s unit ran about 10–15°C cooler across CPU, GPU, NVMe, and NIC metrics while GPU power peaks clustered 69.3–76.0W, implying chassis thermal design materially affects sustained inference performance and component temperatures.
Key Points
- 1Measured thermal comparison across five DGX Spark units using vLLM GPT-OSS-120B inference benchmarks
- 2Revealed Acer’s implementation ran 10–15°C cooler across CPU, GPU, NVMe, and NIC components
- 3Implies chassis thermal design materially affects sustained performance and component longevity under heavy inference loads
Scoring Rationale
Strong empirical comparison with practical procurement implications, limited by single-source testing and partial thermal probe omissions.
Sources
Public references used for this report.
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