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Google TPU 8i vs Google TPU v4 32GB

Side-by-side specifications, performance, and rental pricing for datacenter AI workloads.

TPU 8i: TPU 8, 2026 TPU v4: TPU, 2020
Memory
288 vs 32 GB
256 GB more for the TPU 8i
Bandwidth
8.6 TB/s vs 1.2 TB/s
TPU 8i moves data faster
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Google TPU 8i vs Google TPU v4 32GB

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Google TPU 8i

Full specs →

What is the Google TPU 8i?

The TPU 8i is a TPU from Google on the TPU 8 architecture, an accelerator built for AI training and inference. It has been announced but is not yet shipping. TPU 8i full specifications →

Can I rent the TPU 8i in the cloud?

Flopper is not tracking any live rental listings for the TPU 8i yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the TPU 8i compare with other accelerators?

This page sets the TPU 8i against the TPU v4. The TPU 8i is the newer generation of the two. Both are Google parts. The compare tool builds the same comparison for any two parts in the catalogue. All GPU comparisons →

Where do the TPU 8i figures come from?

Google published the TPU 8i figures in marketing material rather than a datasheet, and Flopper has no independent confirmation of them. How Flopper verifies specifications →

Google TPU v4 32GB

Full specs →

What is the Google TPU v4?

The TPU v4 is a TPU from Google on the TPU architecture, an accelerator built for AI training and inference. TPU v4 full specifications →

Can I rent the TPU v4 in the cloud?

Flopper is not tracking any live rental listings for the TPU v4 yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the TPU v4 compare with other accelerators?

This page sets the TPU v4 against the TPU 8i. The TPU v4 is the older generation of the two. Both are Google parts. The compare tool builds the same comparison for any two parts in the catalogue. All GPU comparisons →

Where do the TPU v4 figures come from?

Every TPU v4 figure on this page traces to Google's own datasheet or specification table. How Flopper verifies specifications →

Specifications

TPU 8i
TPU v4
Architecture
TPU 8TPU
Launch Year
20262020
Form Factor
——
Memory
288 GB32 GB
Memory Bandwidth
8.6 TB/s1.2 TB/s
TDP
——
Process Node
——

Performance (TFLOPS)

TPU 8i
TPU v4
No verified data available No verified data available
No verified data available No verified data available
No verified data available No verified data available
No verified data available275 TFLOPS
No verified data available No verified data available
No verified data available No verified data available
FP6
No verified data available No verified data available
10,100 TFLOPS No verified data available
No verified data available275 TOPS

Figures are dense. Where a vendor publishes a figure it sits under the dense one and never decides a winner. Hover any precision for its definition, or read the GPU glossary.

FLOPS by Precision

What actually differs

The TPU 8i is the newer part: TPU 8 (2026) against the TPU v4's TPU (2020).

The TPU 8i carries 256 GB more memory (288 GB against 32 GB), so larger models fit on one GPU before you shard. Bandwidth is 8.6 TB/s against 1.2 TB/s, which sets the ceiling on decode speed.

Weight the FP8 and FP16 rows for LLM work and the FP64 row for HPC.

New to the terms? The glossary explains BF16, FP4, INT8, Sparsity and TFLOPS.

Frequently asked questions

Which should you choose, the TPU 8i or the TPU v4?

Choose the TPU 8i when the model has to fit on one GPU: it carries 256 GB more memory.

Which has more memory, the TPU 8i or the TPU v4?

The TPU 8i carries 288 GB of memory versus 32 GB for the TPU v4. Memory bandwidth is 8.6 TB/s for the TPU 8i and 1.2 TB/s for the TPU v4.

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