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Both TPU 8t and TPU 8i share the same Axion CPUs, liquid cooling, and software stack, so code written for one runs on the other

Despite different optimizations, both TPU variants share infrastructure and software, making code portable between training and inference chips. ✦ AI generated

system-design-refresh · ByteByteGo Newsletter · 2026-08-15 · original ↗

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Both still share the same Axion CPUs, liquid cooling, and software stack, so code written for one runs on the other.

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✳ Axion ✳ TPU

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Google's 8th generation TPU ships in two flavors: TPU 8t for training (raw throughput) and TPU 8i for inference (latency and chip-to-chip speed)system-design-refresh · ByteByteGo Newsletter · conf 60%