Unverified50% confidenceFactExact time
Llama-3（8B）的全量微调约需80GB以上显存，Llama-3（70B）则需要超过400GB
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/15/2026
First Seen
Valid until: 10/13/2026
Sources
Related Claims
UnverifiedLlama 3.1 7B量化后仅需约4-5GB显存即可运行81% similarUnverifiedLlama 3.3 70B经过4-bit量化后模型大小约为40GB，可在配备64GB内存的Mac Studio或单张48GB显存的专业GPU上运行79% similarVerifiedLlama-3 70B模型在FP16精度下仅权重就需要约140GB显存77% similarUnverifiedMeta Llama 3的405B参数版本以BF16精度加载需约810GB内存，量化至INT4精度需约200GB73% similarUnverified显存容量决定4K和高画质材质上限，1440P以上建议显存≥12GB，4K建议≥16GB，8GB显卡在新3A大作开高画质会爆显存导致卡顿72% similar
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