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Device profile · Windows

Best local LLMs for Nvidia GeForce RTX 3060 (12GB)

Nvidia GeForce RTX 3060 (12GB) has ~11 GB usable for model weights and runs 43 of 67 popular models. Best tool: LM Studio.

Usable memory
~11 GB
Models run
43
Too large
24
Top pick
14B
Top pick Q4_K_M
Phi-4 14B Tight

Fits at Q4_K_M (~10.8 GB of ~11 GB usable) but with little headroom, close other apps.

Runs on Nvidia GeForce RTX 3060 (12GB)

Compatible models 43 total

Too large for this device

Best way to run models on Windows

Runtime guide Windows

Beginner: LM Studio, Best GUI on Windows, auto-detects CUDA/Vulkan backends.

Power user: Ollama (CUDA), Scriptable server; CUDA path is fastest on NVIDIA.

AMD GPUs run via Vulkan/ROCm at roughly half CUDA throughput. NVIDIA is the smooth path on Windows.

Full Windows tool guide →

FAQ

What is the best local LLM for Nvidia GeForce RTX 3060 (12GB)?

Phi-4 14B is the strongest model that runs comfortably, using ~10.8 GB at Q4_K_M of the ~11 GB usable on Nvidia GeForce RTX 3060 (12GB).

How much of Nvidia GeForce RTX 3060 (12GB)'s memory can I use for a model?

About 11 GB. On a discrete GPU, leave ~1 GB of VRAM for the driver and display.

Which tool should I use on Windows?

LM Studio (Best GUI on Windows, auto-detects CUDA/Vulkan backends.) or Ollama (CUDA) for speed. AMD GPUs run via Vulkan/ROCm at roughly half CUDA throughput. NVIDIA is the smooth path on Windows.

Sources

Memory figures are estimates. See methodology.