Side-by-side GPU comparison: specs, memory, compute performance, and live cloud pricing.
Verdict
DGX Spark (GB10) has 32 GB more VRAM, making it better suited for large models and long context windows. For compute-bound workloads like training, RTX Pro 6000 Blackwell delivers 2.0× higher FP16 throughput.
Specifications
| DGX Spark (GB10) | RTX Pro 6000 Blackwell | |
|---|---|---|
| VRAM | 128 GB | 96 GB |
| VRAM Type | LPDDR5X | GDDR7 |
| Memory Bandwidth | 0.3 TB/s | 1.8 TB/s |
| FP16 Performance | 125 TFLOPS | 252 TFLOPS |
| Manufacturer | NVIDIA | NVIDIA |
| FP8 Support | Yes | Yes |
| FP4 Support | Yes | Yes |
Price / Performance
Based on cheapest single-GPU on-demand pricing. Lower $/TFLOP = better compute value; lower $/GB = better memory value.
| DGX Spark (GB10) | RTX Pro 6000 Blackwell | |
|---|---|---|
| $/hr (cheapest) | — | $2.09 |
| $/TFLOP (compute value) | — | $0.0083 |
| $/GB VRAM (memory value) | — | $0.0218 |
Cloud Pricing
Cheapest on-demand price per provider (single GPU).
Model Compatibility
Models from the catalog that fit on each GPU, grouped by required precision.
DGX Spark (GB10) (1000 models)
RTX Pro 6000 Blackwell (1000 models)
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Pricing data refreshed hourly · Last updated June 1, 2026 · Browse all comparisons