DGX Spark vs RTX 3090

For running local LLMs · 8 reports across 3 models

Side A

Vendor: nvidia
VRAM: 128GB
Memory: Unified

Side B

Vendor: nvidia
VRAM: 24GB
Memory: Discrete

Tokens per second by model

Model	DGX Spark	RTX 3090
Qwen3.6up to 35B	—	66.0n=6
GLM-5.1	—n=1	—
Qwen2.5	—	28.0n=1

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