Side-by-side GPU comparison: specs, memory, compute performance, and live cloud pricing.
Verdict
For compute-bound workloads like training, A40 delivers 1.9× higher FP16 throughput. At $0.59/hr vs $1.09/hr, A40 is the more cost-efficient choice for inference.
Specifications
| A40 | RTX A6000 | |
|---|---|---|
| VRAM | 48 GB | 48 GB |
| VRAM Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 0.7 TB/s | 0.8 TB/s |
| FP16 Performance | 150 TFLOPS | 77 TFLOPS |
| Manufacturer | NVIDIA | NVIDIA |
| FP8 Support | No | No |
| FP4 Support | No | No |
Price / Performance
Based on cheapest single-GPU on-demand pricing. Lower $/TFLOP = better compute value; lower $/GB = better memory value.
| A40 | RTX A6000 | |
|---|---|---|
| $/hr (cheapest) | $0.59✓ best | $1.09 |
| $/TFLOP (compute value) | $0.0039✓ best | $0.0141 |
| $/GB VRAM (memory value) | $0.0123✓ best | $0.0227 |
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 (1000 models)
RTX A6000 (1000 models)
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Pricing data refreshed hourly · Last updated October 15, 2026 · Browse all comparisons