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Can I run LFM2.5 1.2B Thinking on Nvidia GeForce RTX 3060 (12GB)?

Compatibility verdict VRAM threshold engine
Yes, it runs GPU accelerated ~344 tok/s est.

Yes. LFM2.5 1.2B Thinking runs on Nvidia GeForce RTX 3060 (12GB) at Q4_K_M (~1.8 GB of ~11 GB usable).

Needs ~1.8 GB Device usable ~11 GB

Runs at Q4_K_M using ~1.8 GB of ~11 GB usable. You have room for FP16 for higher quality.

That figure is at a 4k context and moves about ±15% as context length changes. Nvidia GeForce RTX 3060 (12GB) leaves ~9.2 GB of headroom, room to step up to FP16 for higher quality.

Q4_K_M needed
~1.8 GB
Usable on device
~11 GB
Device memory
12 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~11 GB usable
Q2_K
~1.6 GB
Q3_K_M
~1.7 GB
Q4_K_M
~1.8 GB
Q5_K_M
~1.9 GB
Q6_K
~2.1 GB
Q8_0
~2.3 GB
FP16
~3.3 GB
The line marks Nvidia GeForce RTX 3060 (12GB)'s ~11 GB budget; rungs past it are too large.

Running cost · estimate

Power & economics est.
Power draw
~170 W
Electricity / 1M tokens
~$0.02
Pays for itself after
~685M tok

At ~$0.15/kWh and the estimated ~344 tok/s, a million generated tokens costs about $0.02 in electricity. Versus a hosted API at ~$0.5 per million tokens, the ~$329 Nvidia GeForce RTX 3060 (12GB) pays for itself after roughly 685 million tokens, so local hardware is mostly a fixed cost, not a per-token one. TDP is the peak draw, so this is an upper bound. Assumptions.

Run it

Install commands Windows

Pick your tool. All 3 load the same Q4_K_M weights.

Ollama
$ ollama run lfm2.5-thinking:1.2b
llama.cpp
$ llama-cli -hf LiquidAI/LFM2.5-1.2B-Thinking-GGUF:Q4_K_M
LM Studio
$ lms get LiquidAI/LFM2.5-1.2B-Thinking-GGUF
Model LFM
Parameters
1.17B
Q4_K_M size
0.68 GB
Q8_0 size
1.16 GB
Context
128k
Ollama tag
lfm2.5-thinking:1.2b
Full LFM2.5 1.2B Thinking requirements →
Device Windows
Memory
12 GB vram
Usable for weights
~11 GB
Power draw
~170 W
Best runtime
Ollama (CUDA) / llama.cpp CUDA
Best models for Nvidia GeForce RTX 3060 (12GB) →

You could also run

Run LFM2.5 1.2B Thinking on other hardware

FAQ

Can Nvidia GeForce RTX 3060 (12GB) run LFM2.5 1.2B Thinking?

Yes. LFM2.5 1.2B Thinking runs on Nvidia GeForce RTX 3060 (12GB) at Q4_K_M (~1.8 GB of ~11 GB usable).

How much memory does LFM2.5 1.2B Thinking need?

Nvidia GeForce RTX 3060 (12GB) has room to spare. At Q4_K_M the weights are ~0.68 GB; with KV cache and runtime overhead, budget ~1.8 GB at a 4k context.

What is the best tool to run LFM2.5 1.2B Thinking 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.