Can I run NVIDIA Nemotron 3 Nano 4B locally?
NVIDIA Nemotron 3 Nano 4B has 3.97 billion parameters (Hugging Face). At the popular Q4_K_M quantization it needs roughly 3.2 GB of GPU memory ESTIMATE. It has been on Hugging Face since 2026-03-07.
Memory needed by quantization
| Quant | Weights | Total needed (est.) |
|---|---|---|
| IQ1_S | 0.8 GB | 1.5 GB |
| IQ2_XXS | 1.0 GB | 1.7 GB |
| IQ2_M | 1.3 GB | 2.1 GB |
| Q2_K | 1.6 GB | 2.3 GB |
| IQ3_XXS | 1.5 GB | 2.3 GB |
| Q3_K_S | 1.8 GB | 2.6 GB |
| IQ3_M | 1.8 GB | 2.6 GB |
| Q3_K_M | 2.0 GB | 2.8 GB |
| IQ4_XS | 2.1 GB | 2.9 GB |
| Q4_0 | 2.2 GB | 3.0 GB |
| Q4_K_M | 2.4 GB | 3.2 GB |
| MXFP4 | 2.3 GB | 3.1 GB |
| Q5_K_M | 2.8 GB | 3.6 GB |
| Q6_K | 3.3 GB | 4.1 GB |
| Q8_0 | 4.2 GB | 5.1 GB |
| F16 | 7.9 GB | 9.0 GB |
KV cache by context length ESTIMATE
| Context | f16 | q8_0 | q4_0 |
|---|---|---|---|
| 4k | 0.07 GB | 0.04 GB | 0.02 GB |
| 8k | 0.13 GB | 0.07 GB | 0.04 GB |
| 16k | 0.27 GB | 0.14 GB | 0.08 GB |
| 32k | 0.54 GB | 0.29 GB | 0.15 GB |
| 64k | 1.07 GB | 0.57 GB | 0.30 GB |
| 128k | 2.15 GB | 1.14 GB | 0.60 GB |
From config.json: 4 KV-caching attention layers, 8 KV heads × 128 head dim. Max context 256k. The tables above assume 4k context.
Which GPUs and Macs can run it?
✅ fits · ⚠️ fits with little headroom · ❌ doesn't fit on this one device (multiple GPUs or RAM offload may work; check your setup). Apple Silicon assumes macOS lets the GPU use ~67–75% of unified memory. All fit verdicts are estimates.
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