David Mytton • 2/14/2025

How useful is GPU manufacturer TDP for estimating AI workload energy?

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This article critiques the common practice of using GPU Thermal Design Power (TDP) to estimate energy use for AI workloads. It explains why TDP is a poor proxy for actual power draw, presents real-world measurement data from benchmarks like MLPerf, and discusses how workload configuration significantly impacts energy consumption.

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#power consumption #energy efficiency #Gpu
How useful is GPU manufacturer TDP for estimating AI workload energy?

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