Flopper.io GPU Comparison Sheet
November 11, 2026
flopper.io/compare/google-tpu-8t-vs-nvidia-rubin-cpxGoogle TPU 8t vs NVIDIA Rubin CPX
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| Google TPU 8t | NVIDIA Rubin CPX | |
|---|---|---|
| FP32 TFLOPS | — | — |
| Memory | 216 GB | 128 GB |
| Memory Bandwidth | 6.5 TB/s | — |
| TDP | — | — |
Performance by Precision
| Precision | Google TPU 8t peak TFLOPS (dense) | NVIDIA Rubin CPX peak TFLOPS (dense) |
|---|---|---|
| FP64 | — | — |
| FP32 | — | — |
| TF32 | — | — |
| BF16 | — | — |
| FP16 | — | — |
| FP8 | — | — |
| FP6 | — | — |
| FP4 | 12600.0 | — |
| NVFP4 | — | — |
| INT8 | — | — |
Specifications
| Google TPU 8t | NVIDIA Rubin CPX | |
|---|---|---|
| Architecture | TPU 8 | Rubin |
| Process Node | — | — |
| Launch Year | 2026 | 2026 |
| Form Factor | — | — |
| Memory Type | HBM3e | GDDR7 |
| Interface Width | — | — |
| Interconnect | — | — |
| TDP | — | — |
| FP32 Efficiency | — | — |