Flopper.io GPU Comparison Sheet
October 21, 2026
flopper.io/compare/nvidia-dgx-spark-vs-nvidia-gb10-grace-blackwellNVIDIA DGX Spark vs NVIDIA GB10 Grace Blackwell
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA DGX Spark | NVIDIA GB10 Grace Blackwell | |
|---|---|---|
| FP32 TFLOPS | — | 31.0 |
| Memory | 128 GB | 128 GB |
| Memory Bandwidth | 273 GB/s | 273 GB/s |
| TDP | 140 W | 180 W |
Performance by Precision
| Precision | NVIDIA DGX Spark peak TFLOPS (dense) | NVIDIA GB10 Grace Blackwell peak TFLOPS (dense) |
|---|---|---|
| FP64 | — | — |
| FP32 | — | 31.0 |
| TF32 | — | — |
| BF16 | — | — |
| FP16 | — | — |
| FP8 | — | — |
| FP6 | — | — |
| FP4 | 500.0 | 500.0 |
| INT8 | — | — |
Specifications
| NVIDIA DGX Spark | NVIDIA GB10 Grace Blackwell | |
|---|---|---|
| Architecture | Grace Blackwell | Blackwell |
| Process Node | 4nm | — |
| Launch Year | 2025 | 2025 |
| Form Factor | Desktop Workstation | Integrated |
| Memory Type | — | LPDDR5X |
| Interface Width | — | — |
| Interconnect | — | — |
| TDP | 140 W | 180 W |
| FP32 Efficiency | — | 0.17 TFLOPS/W |