NVIDIA A100
The Ampere workhorse behind GPT-3-era AI — still deployed in huge numbers.
You're looking at a chip record: what this processor is, its key specs, who designs, manufactures and supplies its parts, and where it gets used.
The A100 carried the industry through the first scaling wave: GPT-3, PaLM-era research and most 2020–2022 frontier training ran on A100 clusters. It introduced TF32 math, multi-instance GPU partitioning and the 80 GB HBM2e variant that defined memory-bound LLM work before the H100 arrived.
Specifications & key facts
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Overview
Manufacturing
Memory
Compute
Power
Physical
Price
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Memory technology
Used to train
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Sources
Record reviewed as of 2026-01-15 — see Methodology.