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Run LLM Locally

Mistral Small 3.2 24B Instruct on the RX 7900 XT

With 20 GB of VRAM, the RX 7900 XT runs Mistral Small 3.2 24B Instruct at Q4_K_M entirely on the GPU with an 8K context (about 16.2 GB needed). At Q8_0 it does not fit in VRAM.

Mistral Small 3.2 24B Instruct

Q4_K_M · 8K context

Excellent

The model needs about 16.2 GB and fits in the 19.4 GB available, with 3.2 GB to spare.

Your hardware
RX 7900 XT 20 GB · 64 GB RAM
Estimated memory
~16.2 GB estimate
VRAM (usable memory)
19.4 GB
GPU only
Yes
CPU/GPU offload
Not required
Generation speed
33–47 tok/s estimate
Largest context in fast memory
27K tokens
Confidence: low

Based on: memory bandwidth (800 GB/s) and model size

Memory breakdown

~16.2 GB (15.6 GB–16.9 GB) needed · estimate

Fits entirely in VRAM · 3.2 GB left

  • Model weights13.3 GB
  • KV cache1.3 GB
  • Runtime overhead0.8 GB
  • Safety margin0.8 GB
Assumptions: context 8K tokens · KV cache f16 · llama.cpp (ROCm) · flash attention on · weights = real file size

EstimateData updated 24 days agoSource: Run LLM Locally engine, Hugging Face config.json + model card

What makes this estimate less reliable

  • no benchmark for this hardware and model yet

Other quantizations on the RX 7900 XT

Mistral Small 3.2 24B Instruct on RX 7900 XT + 64 GB RAM · 8K context
Mistral Small 3.2 24B Instruct Q8_08K~26.7 GB · 2.5–5 tok/s estimateCPU/GPU offload
Mistral Small 3.2 24B Instruct Q6_K8K~21.1 GB · 8–15 tok/s estimateCPU/GPU offload
Mistral Small 3.2 24B Instruct Q5_K_M8K~18.6 GB · 29–41 tok/s estimateCompatible
Mistral Small 3.2 24B Instruct Q4_K_M8K~16.2 GB · 33–47 tok/s estimateExcellent
Mistral Small 3.2 24B Instruct IQ4_XS8K~14.7 GB · 36–52 tok/s estimateExcellent
Mistral Small 3.2 24B Instruct Q3_K_M8K~13.4 GB · 39–57 tok/s estimateExcellent

Alternatives

Where to buy a RX 7900 XT

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Radeon RX 7900 XT

20 GB GDDR6 · 800 GB/s · 315 W

ExcellentRuns Mistral Small 3.2 24B Instruct Q4_K_M entirely in memory

Price not available

Availability unknown

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Frequently asked questions

Can the RX 7900 XT run Mistral Small 3.2 24B Instruct?
The model needs about 16.2 GB and fits in the 19.4 GB available, with 3.2 GB to spare.
Which quantization should I use on the RX 7900 XT?
Q5_K_M is the highest-precision quantization that fits entirely in VRAM at 8K context. ~18.6 GB / 19.4 GB.
What is the largest context on the RX 7900 XT?
At Q4_K_M, about 27K tokens fit entirely in VRAM with an f16 KV cache. A q8_0 KV cache roughly doubles that.
How fast is Mistral Small 3.2 24B Instruct (RX 7900 XT)?
We estimate 33–47 tok/s (estimate, confidence low). Based on: memory bandwidth (800 GB/s) and model size.