作者: Jakub Rusinowski · 最后更新: 2026年7月21日
How much GPU VRAM you need to run Llama 4.5 Llama 4.5 Scout by Meta locally, a 109B-parameter model. Figures are quantized weights + KV cache + framework overhead from a memory-bandwidth roofline model.
Llama 4.5 Scout needs about 67 GB VRAM at Q4_K_M.
| Quant | Bits/weight | Weights | Total VRAM |
|---|---|---|---|
| Q2_K | 2.63 | 35.8 GB | 36.6 GB |
| Q3_K_M | 3.41 | 46.5 GB | 47.3 GB |
| Q4_K_M | 4.83 | 65.8 GB | 66.6 GB |
| Q5_K_M | 5.67 | 77.3 GB | 78.1 GB |
| Q6_K | 6.56 | 89.4 GB | 90.2 GB |
| Q8_0 | 8.50 | 115.8 GB | 116.6 GB |
| F16 | 16.00 | 218.0 GB | 218.8 GB |
Switch quantization in the interactive calculator, or see the full Llama 4.5 model page.
Model creators: paste this into your Hugging Face model card README to link readers straight to this VRAM breakdown.
[](https://llmconfigurator.com/en/vram-calculator/llama-4-5-scout)
Estimates only — actual VRAM varies with context length, batch size, runtime and KV-cache settings.