NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4 (550B) — local LLM speed tests | LocalMaxxing

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Observed performance

Run snapshot

All runs matching the filters below.

Fastest run

Median speed

Memory ceiling

Slowest run

Measured runs

#	Hardware	Engine	Depth	tok/s out	Prefill	tok/s total	TTFT ms	VRAM GB

NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4 (550B) — local LLM speed tests | LocalMaxxing