Christopher Miller
Historian and author of the book Chip War, focusing on the geopolitical and technological history of semiconductor development and its strategic importance.
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Feb 10, 2026 • 6min
TPU? GPU? What's the difference between these two chips used for AI?
Christopher Miller, historian and author of Chip War, explains the geopolitical and technological stakes of chip development. He discusses why Google built TPUs tailored for AI, how TPUs differ from flexible GPUs in speed and efficiency, and when each chip is used for training versus inference. He also covers specialized neural processors in devices and whether TPUs can challenge NVIDIA's dominance.
Feb 10, 2026 • 6min
TPU? GPU? What's the difference between these two chips used for AI?
Christopher Miller, historian and author of Chip War, explains the geopolitics of semiconductors and why companies build custom AI chips. He breaks down why Google developed TPUs and how they differ from GPUs in speed, power use and specialization. The conversation covers training versus inference, device-level neural processors, and rising competition with Nvidia.
