Side-by-side GPU comparison: specs, memory, compute performance, and live cloud pricing.
Verdict
RTX Pro 6000 Blackwell has 48 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 1.7× higher FP16 throughput. At $0.44/hr vs $1.89/hr, A40 is the more cost-efficient choice for inference. RTX Pro 6000 Blackwell supports a broader range of models (637 vs 624 from this catalog), giving more flexibility.
Specifications
| A40 | RTX Pro 6000 Blackwell | |
|---|---|---|
| VRAM | 48 GB | 96 GB |
| VRAM Type | GDDR6 | GDDR7 |
| Memory Bandwidth | 0.7 TB/s | 1.8 TB/s |
| FP16 Performance | 150 TFLOPS | 252 TFLOPS |
| Manufacturer | NVIDIA | NVIDIA |
| FP8 Support | No | Yes |
| FP4 Support | No | Yes |
Price / Performance
Based on cheapest single-GPU on-demand pricing. Lower $/TFLOP = better compute value; lower $/GB = better memory value.
| A40 | RTX Pro 6000 Blackwell | |
|---|---|---|
| $/hr (cheapest) | $0.44✓ best | $1.89 |
| $/TFLOP (compute value) | $0.0029✓ best | $0.0075 |
| $/GB VRAM (memory value) | $0.0092✓ best | $0.0197 |
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.
A40 (624 models)
RTX Pro 6000 Blackwell (637 models)
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Pricing data refreshed hourly · Last updated April 11, 2026 · Browse all comparisons