Unverified55% confidenceDecision RuleTime unknown

内存标称的高频率（如6000MHz）是超频档，出厂默认只跑JEDEC标准频率（DDR5为4800/5600），必须在BIOS里手动开启XMP(Intel)或EXPO(AMD)才能达到标称性能

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UnverifiedAMD锐龙平台DDR5甜点频率是6000MHz，此时内存控制器(UCLK)与内存(MCLK)保持1:1同步；超过6400MHz会强制降为2:1分频反而掉延迟性能79% similar UnverifiedDDR5游戏甜点是6000MHz C30，Intel 12/13/14代和AMD 7000/9000系均对此频率优化最好，7200MHz以上需要高端主板且提升有限78% similar

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