A100 40GB vs A100 80GB — Cloud GPU for Large Models
Which A100 tier delivers the best value for large language model inference in the cloud?
A100 40GBA100 80GB
Feature Comparison
| Feature | A100 40GB | A100 80GB |
|---|---|---|
| VRAM | 40 GB | 80 GB |
| Memory Bandwidth | 1,935 GB/s | 2,035 GB/s |
| FP16 Performance | 312 TFLOPS | 624 TFLOPS |
| Llama 3.3 70B Q4 | ⚠️ Tight | ✅ Fits |
| Mistral Large 2 123B Q4 | ❌ OOM | ⚠️ Tight |
| DeepSeek V3 685B Q4 | ❌ OOM | ❌ OOM |
| Price / hour (cloud) | ~$0.80/hr | ~$1.20/hr |
| Best for | Medium LLMs | Large + Long context |
Looking for the right GPU?
A100 40GB
Calculate →Consumer or data-center GPU for local LLM inference. Use our VRAM calculator to check model fit.
A100 80GB
View →Consumer or data-center GPU for local LLM inference. Use our VRAM calculator to check model fit.
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