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text model · Nemotron 3 · Windows

Can I run Nemotron 3 Super 120B-A12B on 16GB RAM Laptop (CPU/iGPU only)?

Compatibility verdict VRAM threshold engine
No, not enough memory would not load

No. Nemotron 3 Super 120B-A12B needs ~80.3 GB even at Q4_K_M, but 16GB RAM Laptop (CPU/iGPU only) only has ~12 GB usable.

Needs ~80.3 GB Device usable ~12 GB

Needs ~80.3 GB even at Q4_K_M, but only ~12 GB is usable.

That figure is at a 4k context and moves about ±15% as context length changes.

The gap is about 68.3 GB: Nemotron 3 Super 120B-A12B needs roughly 80.3 GB at Q4_K_M and 16GB RAM Laptop (CPU/iGPU only) leaves only about 12 GB usable for a model. The lightest tracked hardware that runs Nemotron 3 Super 120B-A12B is the Apple M4 Max (128GB) at 128 GB. See Nemotron 3 Super 120B-A12B on Apple M4 Max (128GB).

Q4_K_M needed
~80.3 GB
Usable on device
~12 GB
Device memory
16 GB
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Which quant fits

Quant ladder vs ~12 GB usable
Q2_K
~53.7 GB
Q3_K_M
~62.1 GB
Q4_K_M
~80.3 GB
Q5_K_M
~88.9 GB
Q6_K
~101.8 GB
Q8_0
~123.1 GB
FP16
~228.3 GB
The line marks 16GB RAM Laptop (CPU/iGPU only)'s ~12 GB budget; rungs past it are too large.
Model Nemotron 3
Parameters
120B (MoE, 12B active)
Q4_K_M size
76.87 GB
Q8_0 size
119.65 GB
Context
256k
Ollama tag
nemotron-3-super:120b-a12b
Full Nemotron 3 Super 120B-A12B requirements →
Device Windows
Memory
16 GB ram
Usable for weights
~12 GB
Power draw
~28 W
Best runtime
Ollama (llama.cpp backend)
Best models for 16GB RAM Laptop (CPU/iGPU only) →

What you can run instead

Run Nemotron 3 Super 120B-A12B on other hardware

FAQ

Can 16GB RAM Laptop (CPU/iGPU only) run Nemotron 3 Super 120B-A12B?

No. Nemotron 3 Super 120B-A12B needs ~80.3 GB even at Q4_K_M, but 16GB RAM Laptop (CPU/iGPU only) only has ~12 GB usable.

How much memory does Nemotron 3 Super 120B-A12B need?

16GB RAM Laptop (CPU/iGPU only) does not have enough memory. At Q4_K_M the weights are ~76.87 GB; with KV cache and runtime overhead, budget ~80.3 GB at a 4k context. It is a Mixture-of-Experts model (120B total / 12B active), so all experts must stay in memory; memory tracks total params, not active params.

What is the best tool to run Nemotron 3 Super 120B-A12B on Windows?

LM Studio for a simple setup; Ollama (CUDA) for the most speed. AMD GPUs run via Vulkan/ROCm at roughly half CUDA throughput. NVIDIA is the smooth path on Windows.

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Sources

Weights are measured from GGUF files; KV cache and overhead are computed, so totals can vary ~15% with context and runtime. Any tok/s is a bandwidth estimate. See methodology.