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Can't Run

Best variant: Q4_K_M

Not enough memory — need at least 256 GB RAM (have 64 GB) and 235 GB VRAM (have 8).

GPU VRAM
8 GB
Min VRAM (best fit)
235 GB
Recommended VRAM
256 GB
Estimated tok/s

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Every Llama 3.1 405B quantization on NVIDIA GeForce RTX 4070 Laptop

Each row runs the compatibility engine against your VRAM, RAM, and the model's requirements.

QuantizationFile SizeMin VRAMRec VRAMContextVerdictEstimated tok/s
Q2_K145 GB150 GB160 GB4K / 128KCan't Run
Q4_K_MBest fit230 GB235 GB256 GB4K / 128KCan't Run

Upgrade options that fit Llama 3.1 405B better

Cheapest fit

Apple M4 Ultra

256 GB VRAM · ~3.8 tok/s

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All hardware for Llama 3.1 405BBest GPU for Llama 3.1 405BModels that fit NVIDIA GeForce RTX 4070 LaptopFull model detailsBrowse all models