RTX 3090 vs RX 7900 XTX

For running local LLMs · 13 reports across 3 models

Side A

Vendor: nvidia
VRAM: 24GB
Memory: Discrete

Side B

Vendor: amd
VRAM: 24GB
Memory: Discrete

Tokens per second by model

Model	RTX 3090	RX 7900 XTX
Qwen3.6up to 35B	104.0n=9	—n=1
Qwen2.5	70.0n=2	—
Gemma 4up to 31B	—	—n=1

More comparisons