Flopper.io GPU Comparison Sheet
September 1, 2026
flopper.io/compare/nvidia-vera-rubin-superchip-vs-nvidia-rubin-cpxNVIDIA Vera Rubin Superchip vs NVIDIA Rubin CPX
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA Vera Rubin Superchip | NVIDIA Rubin CPX | |
|---|---|---|
| FP32 TFLOPS | 260.0 | — |
| VRAM | 576 GB | 128 GB |
| Memory Bandwidth | 44.0 TB/s | — |
| TDP | — | — |
Performance by Precision
| Precision | NVIDIA Vera Rubin Superchip peak TFLOPS (dense) | NVIDIA Rubin CPX peak TFLOPS (dense) |
|---|---|---|
| INT8 | 500.0 | — |
| FP8 | 35000.0 | — |
| FP16 | 8000.0 | — |
| BF16 | 8000.0 | — |
| TF32 | 4000.0 | — |
| FP32 | 260.0 | — |
| FP64_TC Tensor Core | 400.0 | — |
| FP64 | 67.0 | — |
| FP32_TC Tensor Core | 800.0 | — |
| FP6 | 35000.0 | — |
| NVFP4 | 100000.0 | — |
Specifications
| NVIDIA Vera Rubin Superchip | NVIDIA Rubin CPX | |
|---|---|---|
| Architecture | Rubin | Rubin |
| Process Node | — | — |
| Launch Year | 2026 | 2026 |
| Form Factor | Superchip | — |
| Memory Type | HBM4 | GDDR7 |
| Interface Width | — | — |
| Interconnect | NVLink-C2C | — |
| TDP | — | — |
| FP32 Efficiency | — | — |