Nemotron3-33B โ€” NVFP4 Blackwell GGUF

Architecture-specific format for NVIDIA Blackwell GPUs (sm_120/sm_121).

What is NVFP4?

NVFP4 is a native FP4 quantization format that engages the Blackwell FP4 tensor cores. On a DGX Spark / GB10, this delivers ~83% faster generation compared to Q4_K_M GGUF.

Performance (GB10 DGX Spark)

Metric Q4_K_M NVFP4 Improvement
Generation 47.63 tok/s 87.16 tok/s +83%
File size 26 GB 17 GB -35%

Requirements

  • Hardware: NVIDIA Blackwell GPU (GB10, RTX 5090, etc.) โ€” sm_120 or sm_121
  • Software: Ollama v0.30.11+ (CUDA v13 backend)
  • Other GPUs: Will fall back to CPU or standard CUDA โ€” not recommended

Usage

ollama pull wickgraveyard/nemotron3-33b-nvfp4-blackwell
ollama run wickgraveyard/nemotron3-33b-nvfp4-blackwell

Conversion Method

This model was converted from Q4_K_M GGUF using llama-quantize --tensor-type-file:

llama-quantize --allow-requantize --tensor-type-file types.txt source.gguf output.gguf 2

Source

Based on nvidia/Nemotron-3-33B (open weights).

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