Side-by-side GPU comparison: specs, memory, compute performance, and live cloud pricing.
Verdict
A100 80GB has 40 GB more VRAM, making it better suited for large models and long context windows. At $0.93/hr vs $1.39/hr, A100 40GB is the more cost-efficient choice for inference. A100 80GB supports a broader range of models (636 vs 612 from this catalog), giving more flexibility.
Specifications
| A100 40GB | A100 80GB | |
|---|---|---|
| VRAM | 40 GB | 80 GB |
| VRAM Type | HBM2 | HBM2e |
| Memory Bandwidth | 1.6 TB/s | 2.0 TB/s |
| FP16 Performance | 312 TFLOPS | 312 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.
| A100 40GB | A100 80GB | |
|---|---|---|
| $/hr (cheapest) | $0.93✓ best | $1.39 |
| $/TFLOP (compute value) | $0.0030✓ best | $0.0045 |
| $/GB VRAM (memory value) | $0.0232 | $0.0174✓ best |
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.
A100 40GB (612 models)
A100 80GB (636 models)
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Pricing data refreshed hourly · Last updated April 11, 2026 · Browse all comparisons