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text model · Granite · Windows

Can I run Granite 4.1 30B on Nvidia GeForce RTX 5090 (32GB)?

Compatibility verdict VRAM threshold engine
Yes, it runs GPU accelerated ~69 tok/s est.

Yes. Granite 4.1 30B runs on Nvidia GeForce RTX 5090 (32GB) at Q4_K_M (~19.1 GB of ~31 GB usable).

Needs ~19.1 GB Device usable ~31 GB

Runs at Q4_K_M using ~19.1 GB of ~31 GB usable.

That figure is at a 4k context and moves about ±15% as context length changes. Nvidia GeForce RTX 5090 (32GB) leaves ~11.9 GB of headroom.

Q4_K_M needed
~19.1 GB
Usable on device
~31 GB
Device memory
32 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~31 GB usable
Q2_K
~14.2 GB
Q3_K_M
~16.2 GB
Q4_K_M
~19.1 GB
Q5_K_M
~22.7 GB
Q6_K
~25.8 GB
Q8_0
~33.1 GB
FP16
~60.1 GB
The line marks Nvidia GeForce RTX 5090 (32GB)'s ~31 GB budget; rungs past it are too large.

Running cost · estimate

Power & economics est.
Power draw
~575 W
Electricity / 1M tokens
~$0.35
Pays for itself after
~13,327M tok

At ~$0.15/kWh and the estimated ~69 tok/s, a million generated tokens costs about $0.35 in electricity. Versus a hosted API at ~$0.5 per million tokens, the ~$1,999 Nvidia GeForce RTX 5090 (32GB) pays for itself after roughly 13,327 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

Loads the Q4_K_M weights.

Ollama
$ ollama run granite4.1:30b
Model Granite
Parameters
28.9B
Q4_K_M size
17 GB
Q8_0 size
31 GB
Context
128k
Ollama tag
granite4.1:30b
Full Granite 4.1 30B requirements →
Device Windows
Memory
32 GB vram
Usable for weights
~31 GB
Power draw
~575 W
Best runtime
vLLM (Linux) / Ollama (CUDA)
Best models for Nvidia GeForce RTX 5090 (32GB) →

You could also run

Run Granite 4.1 30B on other hardware

FAQ

Can Nvidia GeForce RTX 5090 (32GB) run Granite 4.1 30B?

Yes. Granite 4.1 30B runs on Nvidia GeForce RTX 5090 (32GB) at Q4_K_M (~19.1 GB of ~31 GB usable).

How much memory does Granite 4.1 30B need?

Nvidia GeForce RTX 5090 (32GB) has room to spare. At Q4_K_M the weights are ~17 GB; with KV cache and runtime overhead, budget ~19.1 GB at a 4k context.

What is the best tool to run Granite 4.1 30B 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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Granite 4.1 30B on Nvidia GeForce RTX 5090 (32GB) compatibility badge A live badge for your model card or README, updated as the data is.
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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.