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News18 English03/12/2025

AWS unveils Trainium 3 chip and expands global infrastructure by 3.8 GW at re:Invent 2025

  • AWS unveils Trainium 3, a custom AI chip with four times the performance of its predecessor.
  • Trainium 3 is built using a 3-nanometre process, making it faster and more energy-efficient.
  • AWS introduces Trainium 3 UltraServer, connecting 144 chips for faster AI model training.
  • AWS adds 3.8 gigawatts of power capacity to its global infrastructure in 2024.
  • AWS's global network spans 38 regions and 120 availability zones, with plans for three more regions.

Why it matters: AWS's innovations could accelerate AI development and reshape global computing infrastructure.

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