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Microsoft's custom AI chips deliver 40% better performance per watt, driving efficiency gains in its cloud business.

Microsoft CEO Satya Nadella said the company's custom AI chips are achieving 40% better performance per watt when running its internally developed MAI models, driving significant efficiency gains in its cloud business. The disclosure came as Microsoft reported 43% year-over-year revenue growth for Azure in its fiscal fourth quarter, accelerating from 40% in the prior period. The company ended fiscal 2026 with a $678 billion cloud backlog, up 84% year over year, signaling sustained demand. Microsoft shares have risen 5% year to date, trailing the S&P 500's 12% gain.
Microsoft CorporationMicrosoft's custom AI chips deliver 40% better performance per watt, driving efficiency gains in its cloud business.
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