can-i-run-this-llm

GPU comparison

NVIDIA RTX 3060 (12GB) vs NVIDIA RTX 4080 (16GB) for local LLMs

How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 18 tracked models each one can run.

NVIDIA RTX 3060 (12GB)NVIDIA RTX 4080 (16GB)
Memory12.0 GB16.0 GB
Bandwidth360 GB/s717 GB/s
Price (approx)$289$999
LLMs it runs8 of 1812 of 18
Best model it runsGemma 4 12B · 31–46 tok/sGemma 4 26B-A4B (MoE) · 107–161 tok/s

The NVIDIA RTX 4080 (16GB) runs 4 more of the tracked models (12 vs 8), thanks to its 16.0 GB of memory. The NVIDIA RTX 4080 (16GB) has more memory bandwidth (717 GB/s), so it generates tokens faster at the same model and quant.

What the NVIDIA RTX 3060 (12GB) runs →What the NVIDIA RTX 4080 (16GB) runs →Open the calculator →