can-i-run-this-llm

GPU comparison

NVIDIA RTX 5090 (32GB) vs AMD RX 7900 XTX (24GB) for local LLMs

How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 22 tracked models each one can run.

NVIDIA RTX 5090 (32GB)AMD RX 7900 XTX (24GB)
Memory32.0 GB24.0 GB
Bandwidth1792 GB/s960 GB/s
Price (approx)$3,299$949
LLMs it runs16 of 2216 of 22
Best model it runsGemma 4 31B · 55–83 tok/sGemma 4 31B · 32–48 tok/s

Both run the same number of models, but the NVIDIA RTX 5090 (32GB) has more memory (32.0 GB), so it can hold larger models at higher quality. The NVIDIA RTX 5090 (32GB) has more memory bandwidth (1792 GB/s), so it generates tokens faster at the same model and quant.

What the NVIDIA RTX 5090 (32GB) runs →What the AMD RX 7900 XTX (24GB) runs →Open the calculator →