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GPU comparison

NVIDIA RTX 4070 (12GB) vs NVIDIA RTX 5080 (16GB) for local LLMs

How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 64 tracked models each one can run.

NVIDIA RTX 4070 (12GB)NVIDIA RTX 5080 (16GB)
Memory12.0 GB16.0 GB
Bandwidth504 GB/s960 GB/s
Price (approx)$549$1,399
LLMs it runs27 of 6445 of 64
Best model it runsDevstral Small 2 24B · 35–53 tok/sQwen3.8 27B · 54–82 tok/s

The NVIDIA RTX 5080 (16GB) runs 18 more of the tracked models (45 vs 27), thanks to its 16.0 GB of memory. The NVIDIA RTX 5080 (16GB) has more memory bandwidth (960 GB/s), so it generates tokens faster at the same model and quant.

What the NVIDIA RTX 4070 (12GB) runs →What the NVIDIA RTX 5080 (16GB) runs →Open the calculator →