Verified75% confidenceFactExact time

Q5_K_M 量化方案每个权重平均约 5.3 比特，32B 参数模型量化后大约需要 20-24GB 存储空间

5

Sources

75%

Confidence

Medium-term (~90 days)

Relevance

7/2/2026

First Seen

Valid until: 9/30/2026

Sources

Llama.cpp Windows本地部署教程：免编译三步运行大模型

bilibili乐优科技5/29/2026

Related Claims

VerifiedQ4_K_M 采用混合精度，部分关键权重以 6bit 存储，其余以 4bit 存储，整体平均约 4.5bit84% similar Unverified一个32K上下文窗口在Q4量化模型上可能额外占用2-4GB内存81% similar Unverified300B INT4量化模型约需150-180GB存储空间79% similar Verified4-bit量化（如Q4_K_M）通常可将3B模型内存占用从约6GB压缩至约2GB，精度损失低于2-3%78% similar Verified4-bit量化使模型存储空间缩减为FP16的约1/477% similar

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