Unverified50% confidenceFactExact time
系统内存带宽（DDR4/DDR5约50-80GB/s）远低于显存带宽（如GDDR6X的500-1000GB/s），导致CPU-GPU混合推理速度显著下降
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50%
Confidence
Long-term
Relevance
9/12/2026
First Seen
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UnverifiedDDR5四根内存插满时频率会大幅下降（单Rank双条能跑6000，四条可能只能跑5200-5600），追求容量又要高频应选2×32GB而非4×16GB80% similarUnverifiedLPDDR5相比LPDDR4x在带宽上提升约50%，同时功耗更低，是面向移动和嵌入式场景的低功耗内存标准77% similarUnverified内存优先选LPDDR5X 6400以上或DDR5 5600，双通道比单通道核显性能提升20-40%；纯核显机型单条内存会严重拖累性能，务必确认双通道75% similarUnverified相比传统GDDR6显存，HBM的内存带宽可高出3-5倍，同时功耗更低、封装面积更小73% similarUnverified四根内存全插满会降低超频稳定性，DDR5插满4条时频率往往难以稳定在6000MHz以上；追求高频建议2条大容量而非4条小容量73% similar
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