Database topicHardware

Hardware and training

AI hardware: one hour of graphics chip, the manufacturing of servers and chips, the training of a model.

1 GPU hourAmortised manufacturing, per GPU hour34.5gCO2eManufacturing per GPU hour35 gH100 hour410 gestimated1 GPU hourGreenIT

Electricity · 2025Emissions of one kilowatt-hour by country of the servers458gCO2e/kWhPoland589 gWorld458 gFrance41.4 gLife cycle, the same source everywhereEmber, 2025

Emissions of one GPU hour, manufacturing and use

Computing and manufacturingmanufacturing and use

Manufacturing per GPU hour34.5 gCO2e
H100 hour410 gCO2e

Linear scale. Values published or calculated by the database depending on the entry, sources in each entry. For calculated values, servers worldwide.

All the entries of the topic

5 entries, each with its entry page: composition, assumptions and sources.

Calculation factors

Computing and manufacturing3

Infrastructure

Model training1

Training a model1 training runPatterson et al.552 tCO2epublished

Hardware1

Chip manufacturing1 yearGreenpeace454 ktCO2epublished

Header photo: Mister rf, Wikimedia Commons, CC BY-SA 4.0.

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Database topicTech companiesPrevious topicThe 4 entries

Database topicBenchmarks for comparisonNext topicThe 6 entries

Database topicOccupationsThe 20 entries

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