Flopper.io GPU Comparison Sheet
September 1, 2026
flopper.io/compare/nvidia-vera-rubin-superchip-vs-nvidia-rubin-sxmNVIDIA Vera Rubin Superchip vs NVIDIA Rubin SXM
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA Vera Rubin Superchip | NVIDIA Rubin SXM | |
|---|---|---|
| FP32 TFLOPS | 260.0 | 130.0 |
| VRAM | 576 GB | 288 GB |
| Memory Bandwidth | 44.0 TB/s | 22.0 TB/s |
| TDP | — | — |
Performance by Precision
| Precision | NVIDIA Vera Rubin Superchip peak TFLOPS (dense) | NVIDIA Rubin SXM peak TFLOPS (dense) |
|---|---|---|
| INT8 | 500.0 | 250.0 |
| FP8 | 35000.0 | 17500.0 |
| FP16 | 8000.0 | 4000.0 |
| BF16 | 8000.0 | 4000.0 |
| TF32 | 4000.0 | 2000.0 |
| FP32 | 260.0 | 130.0 |
| FP64_TC Tensor Core | 400.0 | 200.0 |
| FP64 | 67.0 | 33.0 |
| FP32_TC Tensor Core | 800.0 | 400.0 |
| FP6 | 35000.0 | 17500.0 |
| NVFP4 | 100000.0 | 35000.0 |
Specifications
| NVIDIA Vera Rubin Superchip | NVIDIA Rubin SXM | |
|---|---|---|
| Architecture | Rubin | Rubin |
| Process Node | — | — |
| Launch Year | 2026 | 2026 |
| Form Factor | Superchip | SXM |
| Memory Type | HBM4 | HBM4 |
| Interface Width | — | — |
| Interconnect | NVLink-C2C | NVLink |
| TDP | — | — |
| FP32 Efficiency | — | — |