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Can I run Mistral Small 3.1 24B on AMD Radeon RX 7900 XTX (24GB)?

Compatibility verdict VRAM threshold engine
Yes, it runs GPU accelerated ~47 tok/s est.

Yes. Mistral Small 3.1 24B runs on AMD Radeon RX 7900 XTX (24GB) at Q4_K_M (~15.4 GB of ~23 GB usable).

Needs ~15.4 GB Device usable ~23 GB

Runs at Q4_K_M using ~15.4 GB of ~23 GB usable.

That figure is at a 4k context and moves about ±15% as context length changes. AMD Radeon RX 7900 XTX (24GB) leaves ~7.6 GB of headroom.

Q4_K_M needed
~15.4 GB
Usable on device
~23 GB
Device memory
24 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~23 GB usable
Q2_K
~12.1 GB
Q3_K_M
~13.7 GB
Q4_K_M
~15.4 GB
Q5_K_M
~19.1 GB
Q6_K
~21.7 GB
Q8_0
~25.3 GB
FP16
~49.2 GB
The line marks AMD Radeon RX 7900 XTX (24GB)'s ~23 GB budget; rungs past it are too large.

Running cost · estimate

Power & economics est.
Power draw
~355 W
Electricity / 1M tokens
~$0.31
Pays for itself after
~5,258M tok

At ~$0.15/kWh and the estimated ~47 tok/s, a million generated tokens costs about $0.31 in electricity. Versus a hosted API at ~$0.5 per million tokens, the ~$999 AMD Radeon RX 7900 XTX (24GB) pays for itself after roughly 5,258 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 mistral-small3.1:24b
llama.cpp
$ llama-cli -hf bartowski/mistralai_Mistral-Small-3.1-24B-Instruct-2503-GGUF:Q4_K_M
LM Studio
$ lms get bartowski/mistralai_Mistral-Small-3.1-24B-Instruct-2503-GGUF
Model Mistral
Parameters
24B
Q4_K_M size
13.35 GB
Q8_0 size
23.33 GB
Context
128k
Ollama tag
mistral-small3.1:24b
Full Mistral Small 3.1 24B requirements →
Device Windows
Memory
24 GB vram
Usable for weights
~23 GB
Power draw
~355 W
Best runtime
Ollama (ROCm) / llama.cpp ROCm (Linux)
Best models for AMD Radeon RX 7900 XTX (24GB) →

You could also run

Run Mistral Small 3.1 24B on other hardware

FAQ

Can AMD Radeon RX 7900 XTX (24GB) run Mistral Small 3.1 24B?

Yes. Mistral Small 3.1 24B runs on AMD Radeon RX 7900 XTX (24GB) at Q4_K_M (~15.4 GB of ~23 GB usable).

How much memory does Mistral Small 3.1 24B need?

AMD Radeon RX 7900 XTX (24GB) has room to spare. At Q4_K_M the weights are ~13.35 GB; with KV cache and runtime overhead, budget ~15.4 GB at a 4k context.

What is the best tool to run Mistral Small 3.1 24B 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.