Flopper.io GPU Comparison Sheet
NVIDIA B30A vs NVIDIA GB300 Grace Blackwell Ultra Desktop Superchip 252GB
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA B30A | NVIDIA GB300 Grace Blackwell Ultra Desktop Superchip 252GB | |
|---|---|---|
| FP32 TFLOPS | — | 80.0 |
| Memory | — | 252 GB |
| Memory Bandwidth | — | 7.1 TB/s |
| TDP | — | — |
Performance by Precision
| Precision | NVIDIA B30A peak TFLOPS (dense) | NVIDIA GB300 Grace Blackwell Ultra Desktop Superchip 252GB peak TFLOPS (dense) |
|---|---|---|
| FP64 | — | 1.3 |
| FP32 | — | 80.0 |
| TF32 | — | 1250.0 |
| BF16 | — | 2500.0 |
| FP16 | — | 2500.0 |
| FP8 | — | 5000.0 |
| FP6 | — | 5000.0 |
| FP4 | — | 15000.0 |
| INT8 | — | 165.0 |
Specifications
| NVIDIA B30A | NVIDIA GB300 Grace Blackwell Ultra Desktop Superchip 252GB | |
|---|---|---|
| Architecture | Blackwell Ultra | Blackwell Ultra |
| Process Node | — | 4nm |
| Launch Year | 2025 | 2025 |
| Form Factor | — | Superchip |
| Memory Type | — | HBM3e |
| Interface Width | — | — |
| Interconnect | NVLink | NVLink-C2C |
| TDP | — | — |
| FP32 Efficiency | — | — |