[{"data":1,"prerenderedAt":236},["ShallowReactive",2],{"blog-ddr4-vs-ddr5":3},{"id":4,"title":5,"body":6,"cover":224,"date":225,"description":226,"extension":227,"meta":228,"navigation":229,"path":230,"seo":231,"stem":232,"tags":233,"__hash__":235},"blog\u002Fblog\u002Fzh\u002Fddr4-vs-ddr5.md","DDR4 vs DDR5：该选择哪种内存？",{"type":7,"value":8,"toc":208},"minimark",[9,13,17,20,76,79,82,85,88,103,106,110,113,116,119,131,134,138,143,157,161,175,178,181,199,202],[10,11,12],"h2",{"id":12},"内存技术的演进",[14,15,16],"p",{},"DDR5是最新一代的桌面和笔记本内存，接替了自2014年以来一直作为标准的DDR4。但DDR5是否总是最佳选择？让我们来详细对比。",[10,18,19],{"id":19},"速度对比",[21,22,23,39],"table",{},[24,25,26],"thead",{},[27,28,29,33,36],"tr",{},[30,31,32],"th",{},"规格",[30,34,35],{},"DDR4",[30,37,38],{},"DDR5",[40,41,42,54,65],"tbody",{},[27,43,44,48,51],{},[45,46,47],"td",{},"基础频率",[45,49,50],{},"2133 MHz",[45,52,53],{},"4800 MHz",[27,55,56,59,62],{},[45,57,58],{},"最高频率",[45,60,61],{},"3200–4800 MHz（超频）",[45,63,64],{},"6400–8000+ MHz",[27,66,67,70,73],{},[45,68,69],{},"带宽",[45,71,72],{},"最高 25.6 GB\u002Fs",[45,74,75],{},"最高 51.2 GB\u002Fs",[14,77,78],{},"DDR5在基础规格上就提供了约两倍于DDR4的带宽，这在内存密集型任务中会带来明显的性能提升。",[10,80,81],{"id":81},"延迟表现",[14,83,84],{},"虽然DDR5的CAS延迟数值更高（CL36–CL40 vs DDR4的CL16–CL22），但由于时钟频率更高，实际延迟（以纳秒计）是相近的。随着DDR5技术成熟，延迟时序还在持续优化。",[10,86,87],{"id":87},"功耗效率",[89,90,91,98],"ul",{},[92,93,94,97],"li",{},[95,96,35],"strong",{},"：工作电压 1.2V",[92,99,100,102],{},[95,101,38],{},"：工作电压 1.1V",[14,104,105],{},"DDR5每条内存的功耗更低，这对笔记本电脑和数据中心来说尤为重要。",[10,107,109],{"id":108},"片上ecc","片上ECC",[14,111,112],{},"DDR5将片上ECC（错误纠正码）作为标准功能引入，提升了数据完整性和系统稳定性。虽然这与服务器环境中的完整ECC不同，但对普通用户来说已经是一个显著的改进。",[10,114,115],{"id":115},"容量支持",[14,117,118],{},"DDR5支持更高密度的内存模块：",[89,120,121,126],{},[92,122,123,125],{},[95,124,35],{},"：单条最大32GB（常见）",[92,127,128,130],{},[95,129,38],{},"：单条最大64GB及以上",[14,132,133],{},"这使得DDR5非常适合需要大容量内存的工作站和服务器。",[10,135,137],{"id":136},"如何选择","如何选择？",[139,140,142],"h3",{"id":141},"选择ddr4的情况","选择DDR4的情况：",[89,144,145,148,151,154],{},[92,146,147],{},"你的主板只支持DDR4",[92,149,150],{},"预算有限",[92,152,153],{},"已有DDR4内存可以复用",[92,155,156],{},"工作负载不需要极高的内存带宽",[139,158,160],{"id":159},"选择ddr5的情况","选择DDR5的情况：",[89,162,163,166,169,172],{},[92,164,165],{},"正在组装支持DDR5的新平台",[92,167,168],{},"需要最大性能用于内容创作或数据处理",[92,170,171],{},"希望面向未来的软件需求做好准备",[92,173,174],{},"功耗效率是优先考虑因素",[10,176,177],{"id":177},"奥斯存内存产品",[14,179,180],{},"奥斯存提供DDR4和DDR5内存模块，覆盖台式机、笔记本和工业应用：",[89,182,183,189,194],{},[92,184,185,188],{},[95,186,187],{},"DDR3"," — 为老旧系统提供兼容支持",[92,190,191,193],{},[95,192,35],{}," — 主流平台的可靠之选",[92,195,196,198],{},[95,197,38],{}," — 面向前沿平台的新一代速度",[14,200,201],{},"所有内存模块均经过严格的兼容性和稳定性测试，确保在各类系统上无缝运行。",[203,204,205],"blockquote",{},[14,206,207],{},"不确定哪种内存适合你的系统？欢迎联系我们的团队获取专业建议。",{"title":209,"searchDepth":210,"depth":210,"links":211},"",2,[212,213,214,215,216,217,218,223],{"id":12,"depth":210,"text":12},{"id":19,"depth":210,"text":19},{"id":81,"depth":210,"text":81},{"id":87,"depth":210,"text":87},{"id":108,"depth":210,"text":109},{"id":115,"depth":210,"text":115},{"id":136,"depth":210,"text":137,"children":219},[220,222],{"id":141,"depth":221,"text":142},3,{"id":159,"depth":221,"text":160},{"id":177,"depth":210,"text":177},"\u002Fassets\u002Fimages\u002Fblog\u002Fddr4-vs-ddr5.jpg","2025-07-14","详细对比DDR4和DDR5内存模块的速度、延迟、功耗和兼容性，帮助你做出正确选择。","md",{},true,"\u002Fblog\u002Fzh\u002Fddr4-vs-ddr5",{"title":5,"description":226},"blog\u002Fzh\u002Fddr4-vs-ddr5",[234,35,38],"内存","KYRXGl7nH-MxBPo9Znqtg4lGaMb4uoNaLFXcTlhoFAU",1775784376107]