A100 40GB vs A100 80GB — Cloud GPU for Large Models

How the A100 40 GB and 80 GB tiers differ for large language model inference in the cloud.

A100 40GBA100 80GB

Feature Comparison

FeatureA100 40GBA100 80GB
VRAM40 GB80 GB
Memory Bandwidth1,935 GB/s2,035 GB/s
Llama 3.3 70B Q4⚠️ Near the limit (VRAM estimate)✅ Fits (VRAM estimate)
Mistral Large 2 123B Q4❌ Not a fit (VRAM estimate)⚠️ Near the limit (VRAM estimate)
DeepSeek V3 671B Q4❌ Not a fit (VRAM estimate)❌ Not a fit (VRAM estimate)
Cloud pricingPricing and availability change — check the providerPricing and availability change — check the provider
Typical usageMid-size models by memory (est.)Large models and long context — extra VRAM headroom (est.)

Looking for the right GPU?

A100 40GB

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Consumer or data-center GPU for local LLM inference. Use our VRAM calculator to check model fit.

A100 80GB

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Consumer or data-center GPU for local LLM inference. Use our VRAM calculator to check model fit.

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