Devstral-2 22B — VRAM Requirements
Autor: Jakub Rusinowski · Ostatnia aktualizacja: 21 lipca 2026
How much GPU VRAM you need to run Devstral-2 Devstral-2 22B by Mistral AI locally, a 22B-parameter model. Figures are quantized weights + KV cache + framework overhead from a memory-bandwidth roofline model.
Devstral-2 22B needs about 14 GB VRAM at Q4_K_M.
VRAM by Quantization
| Quant | Bits/weight | Weights | Total VRAM |
|---|---|---|---|
| Q2_K | 2.63 | 7.2 GB | 8.0 GB |
| Q3_K_M | 3.41 | 9.4 GB | 10.2 GB |
| Q4_K_M | 4.83 | 13.3 GB | 14.1 GB |
| Q5_K_M | 5.67 | 15.6 GB | 16.4 GB |
| Q6_K | 6.56 | 18.0 GB | 18.8 GB |
| Q8_0 | 8.50 | 23.4 GB | 24.2 GB |
| F16 | 16.00 | 44.0 GB | 44.8 GB |
Switch quantization in the interactive calculator, or see the full Devstral-2 model page.
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[](https://llmconfigurator.com/en/vram-calculator/devstral-2-22b)Estimates only — actual VRAM varies with context length, batch size, runtime and KV-cache settings.