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Unverified50% confidenceFactExact time

INT4权重在芯片上仅需4个晶体管的存储单元，而FP32需要32个

1

Sources

50%

Confidence

Long-term

Relevance

8/7/2026

First Seen

Sources

AMD收购Taalas：将AI模型刻进芯片意味着什么

Related Claims

Unverified以Q4_0格式为例，每32个FP32权重被打包为一个量化块，包含一个缩放因子和32个4bit整数，平均每参数约占4.5bit，内存占用缩减至原来的约1/873% similar UnverifiedINT4 仅有 16 个离散值可用，INT8 有 256 个离散值71% similar UnverifiedFP16格式下每个参数占2字节，INT4格式仅占0.5字节，理论上可实现4倍压缩比71% similar Unverified35B模型在FP16精度下需要约70GB显存，远超RTX 5090的32GB容量，因此单卡部署需量化70% similar

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