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GPU comparison

NVIDIA RTX 4090 (24GB) vs NVIDIA RTX 5070 (12GB) for local LLMs

How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 34 tracked models each one can run.

NVIDIA RTX 4090 (24GB)NVIDIA RTX 5070 (12GB)
Memory24.0 GB12.0 GB
Bandwidth1008 GB/s672 GB/s
Price (approx)$2,999$629
LLMs it runs25 of 3413 of 34
Best model it runsGemma 4 31B · 41–62 tok/sDevstral Small 2 24B · 45–68 tok/s

The NVIDIA RTX 4090 (24GB) runs 12 more of the tracked models (25 vs 13), thanks to its 24.0 GB of memory. The NVIDIA RTX 4090 (24GB) has more memory bandwidth (1008 GB/s), so it generates tokens faster at the same model and quant.

What the NVIDIA RTX 4090 (24GB) runs →What the NVIDIA RTX 5070 (12GB) runs →Open the calculator →