llamaperf

A100 40GB vs RTX 3080 20GB

For running local LLMs · 7 reports across 2 models

Side A
A100 40GB
Vendor
nvidia
VRAM
40GB
Memory
Discrete
Side B
RTX 3080 20GB
Vendor
nvidia
VRAM
20GB
Memory
Discrete

Highest reported generation speed by model family

These maxima come from different community setups. Model size, quantization, GPU count, offloading and concurrency may differ. They do not establish which GPU is faster for the same workload. Check the comparison conditions →

ModelA100 40GBRTX 3080 20GB
Qwen3.8up to 2400B57.5n=4
DeepSeek V4 Flashup to 285B16.1n=117.5n=2

More comparisons