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DGX Spark vs RX 7900 XTX

For running local LLMs · 2 reports across 2 models

Side A

Vendor: nvidia
VRAM: 128GB
Memory: Unified

Side B

Vendor: amd
VRAM: 24GB
Memory: Discrete

Tokens per second by model

Model	DGX Spark	RX 7900 XTX
GLM-5.1	—n=1	—
Qwen3.6up to 35B	—	—n=1

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