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Head-to-head · Nemotron

Nemotron Nano 9B v2 vs Llama-3.3-Nemotron-Super-49B-v1

Nemotron Nano 9B v2 needs ~7.6 GB at Q4_K_M; Llama-3.3-Nemotron-Super-49B-v1 needs ~30.6 GB. That ~23 GB gap decides which hardware runs each; they differ on 7 of the 14 devices below.

Spec Nemotron Nano 9B v2 Llama-3.3-Nemotron-Super-49B-v1
Parameters9B49B
Memory at Q4_K_M~7.6 GB~30.6 GB
Context window128k128k
LMArenanot rankednot ranked
Licensenvidia-open-model-licenseNVIDIA Open Model License + Llama 3.3 Community License

Which devices run each

A representative spread across the memory range. Tap a verdict for the full breakdown.

Size at each quantization

Quant Nemotron Nano 9B v2 Llama-3.3-Nemotron-Super-49B-v1
Q2_K 3.8 GB* 20.5 GB*
Q3_K_M 4.4 GB* 23.9 GB*
Q4_K_M 6.08 GB 28.14 GB
Q5_K_M 6.4 GB* 34.9 GB*
Q6_K 7.4 GB* 40.2 GB*
Q8_0 8.81 GB 49.36 GB
FP16 17.79 GB 99.74 GB

* derived from bits-per-weight; unstarred sizes are measured GGUF files.

Bottom line

The larger Llama-3.3-Nemotron-Super-49B-v1 needs ~30.6 GB; Nemotron Nano 9B v2 runs on lighter hardware at ~7.6 GB with more headroom and faster responses. Check each against your exact device: what runs Nemotron Nano 9B v2 · what runs Llama-3.3-Nemotron-Super-49B-v1.

FAQ

What is the difference in memory between Nemotron Nano 9B v2 and Llama-3.3-Nemotron-Super-49B-v1?

At Q4_K_M, Nemotron Nano 9B v2 needs about 7.6 GB and Llama-3.3-Nemotron-Super-49B-v1 needs about 30.6 GB, a difference of ~23 GB.

Should I run Nemotron Nano 9B v2 or Llama-3.3-Nemotron-Super-49B-v1?

Run Llama-3.3-Nemotron-Super-49B-v1 if your hardware has the ~30.6 GB it needs and you want maximum quality; run Nemotron Nano 9B v2 (~7.6 GB) for lighter hardware, faster responses, and more memory headroom.

Full breakdowns: Nemotron Nano 9B v2 · Llama-3.3-Nemotron-Super-49B-v1 · all models × devices.

Sources

Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.