RTX 4090 vs RX 7900 XT

For running local LLMs · 3 reports across 2 models

Side A

Vendor: nvidia
VRAM: 24GB
Memory: Discrete

Side B

Vendor: amd
VRAM: 20GB
Memory: Discrete

Tokens per second by model

Model	RTX 4090	RX 7900 XT
Gemma 4up to 31B	149.6n=2	—
Qwen3.6up to 35B	25.0n=1	—

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