{"id":2060,"date":"2021-01-13T17:18:03","date_gmt":"2021-01-13T09:18:03","guid":{"rendered":"https:\/\/www.lgscomputer.com\/?p=2060"},"modified":"2021-01-13T17:18:03","modified_gmt":"2021-01-13T09:18:03","slug":"%e5%b7%a5%e4%b8%9a%e4%b8%80%e4%bd%93%e6%9c%baddr4%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9fddr4%e5%92%8cddr3%e4%bb%a5%e5%8f%8addr2%e6%9c%89%e5%8c%ba%e5%88%ab%e5%90%97%ef%bc%9f%e6%98%af","status":"publish","type":"post","link":"https:\/\/www.lgscomputer.com\/2060.html","title":{"rendered":"\u5de5\u4e1a\u4e00\u4f53\u673aDDR4\u662f\u4ec0\u4e48\u610f\u601d\uff1fDDR4\u548cDDR3\u4ee5\u53caDDR2\u6709\u533a\u522b\u5417\uff1f\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>\u5de5\u4e1a\u4e00\u4f53\u673aDDR4\u662f\u4ec0\u4e48\u610f\u601d\uff1fDDR4\u548cDDR3\u4ee5\u53caDDR2\u6709\u533a\u522b\u5417\uff1f\u662f\u4ec0\u4e48\uff1f<\/p>\n<p>\u7b80\u5355\u6765\u8bf4\uff0cDDR4\u5c31\u662f\u7b2c\u4e8c\u4ee3\u5185\u5b58\u7684\u610f\u601d\uff0c\u7ecf\u5386\u4e86DDR1\u3001DDR2\u3001DDR3\u5185\u5b58\uff0c\u5b83\u5c5e\u4e8e\u6211\u4eec\u719f\u77e5\u7684DDR3\u5185\u5b58\u7684\u4e0b\u4e00\u4ee3\u7248\u672c\uff0c\u65b0\u4e00\u4ee3DDR4\u5185\u5b58\u5e26\u6765\u4e86\u66f4\u4f4e\u7684\u529f\u8017\u4e0e\u66f4\u51fa\u8272\u7684\u6027\u80fd\u3002<\/p>\n<p>DDR SDRAM\uff08Double Data Rate SDRAM\uff09\uff1a\u4e3a\u53cc\u4fe1\u9053\u540c\u6b65\u52a8\u6001\u968f\u673a\u5b58\u53d6\u5185\u5b58\uff0c\u662f\u65b0\u4e00\u4ee3\u7684SDRAM\u6280\u672f\u3002\u522b\u4e8eSDR\uff08Single Data Rate\uff09\u5355\u4e00\u5468\u671fbai\u5185\u53ea\u80fd\u8bfb\u51991\u6b21\uff0cDDR\u7684\u53cc\u500d\u6570\u636e\u4f20\u8f93\u7387\u6307\u7684\u5c31\u662f\u5355\u4e00\u5468\u671f\u5185\u53ef\u8bfb\u53d6\u6216\u5199\u51652\u6b21\u3002\u5728\u6838\u5fc3\u9891\u7387\u4e0d\u53d8\u7684\u60c5\u51b5\u4e0b\uff0c\u4f20\u8f93\u6548\u7387\u4e3aSDR SDRAM\u76842\u500d\u3002***\u4ee3DDR\u5185\u5b58Prefetch\u4e3a2bit\uff0c\u662fSDR\u76842\u500d\uff0c\u8fd0\u4f5c\u65f6I\/O\u4f1a\u9884\u53d62bit\u7684\u8d44\u6599\u3002\u4e3e\u4f8b\u800c\u8a00\uff0c\u6b64\u65f6DDR\u5185\u5b58\u7684\u4f20\u8f93\u901f\u7387\u7ea6\u4e3a266\uff5e400 MT\/s\u4e0d\u7b49\uff0c\u50cf\u662fDDR 266\u3001DDR 400\u90fd\u662f\u8fd9\u4e2a\u65f6\u671f\u7684\u4ea7\u54c1\u3002<\/p>\n<p>DDR2 SDRAM\uff08Double Data Rate Two SDRAM\uff09\uff1a\u4e3a\u53cc\u4fe1\u9053\u4e24\u6b21\u540c\u6b65\u52a8\u6001\u968f\u673a\u5b58\u53d6\u5185\u5b58\u3002DDR2\u5185\u5b58Prefetch\u53c8\u518d\u5ea6\u63d0\u5347\u81f34 bit\uff08DDR\u7684\u4e24\u500d\uff09\uff0cDDR2\u7684I\/O\u9891\u7387\u662fDDR\u76842\u500d\uff0c\u4e5f\u5c31\u662f266\u3001333\u3001400MHz\u3002\u4e3e\u4f8b\uff1a\u6838\u5fc3\u9891\u7387\u540c\u6837\u6709133\uff5e200MHz\u7684\u9897\u7c92\uff0cI\/O\u9891\u7387\u63d0\u5347\u7684\u5f71\u54cd\u4e0b\uff0c\u6b64\u65f6\u7684DDR2\u4f20\u8f93\u901f\u7387\u7ea6\u4e3a533\uff5e800 MT\/s\u4e0d\u7b49\uff0c\u4e5f\u5c31\u662f\u5e38\u89c1\u7684DDR2 533\u3001DDR2 800\u7b49\u5185\u5b58\u89c4\u683c\u3002<\/p>\n<p>DDR3 SDRAM\uff08Double Data Rate Three SDRAM\uff09\uff1a\u4e3a\u53cc\u4fe1\u9053\u4e09\u6b21\u540c\u6b65\u52a8\u6001\u968f\u673a\u5b58\u53d6\u5185\u5b58\u3002DDR3\u5185\u5b58Prefetch\u63d0\u5347\u81f38 bit\uff0c\u5373\u6bcf\u6b21\u4f1a\u5b58\u53d68 bits\u4e3a\u4e00\u7ec4\u7684\u6570\u636e\u3002DDR3\u4f20\u8f93\u901f\u7387\u4ecb\u4e8e 800\uff5e1600 MT\/s\u4e4b\u95f4\u3002\u6b64\u5916\uff0cDDR3 \u7684\u89c4\u683c\u8981\u6c42\u5c06\u7535\u538b\u63a7\u5236\u57281.5V\uff0c\u8f83DDR2\u76841.8V\u66f4\u4e3a\u7701\u7535\u3002DDR3\u4e5f\u65b0\u589eASR\uff08Automatic Self-Refresh\uff09\u3001SRT\uff08Self-Refresh Temperature\uff09\u7b49\u4e24\u79cd\u529f\u80fd\uff0c\u8ba9\u5185\u5b58\u5728\u4f11\u7720\u65f6\u4e5f\u80fd\u591f\u968f\u7740\u6e29\u5ea6\u53d8\u5316\u53bb\u63a7\u5236\u5bf9\u5185\u5b58\u9897\u7c92\u7684\u5145\u7535\u9891\u7387\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<p>DDR4 SDRAM\uff08Double Data Rate Fourth SDRAM\uff09\uff1aDDR4\u63d0\u4f9b\u6bd4DDR3\/ DDR2\u66f4\u4f4e\u7684\u4f9b\u7535\u7535\u538b1.2V\u4ee5\u53ca\u66f4\u9ad8\u7684\u5e26\u5bbd\uff0cDDR4\u7684\u4f20\u8f93\u901f\u7387\u76ee\u524d\u53ef\u8fbe2133\uff5e3200 MT\/s\u3002DDR4 \u65b0\u589e\u4e864 \u4e2aBank Group \u6570\u636e\u7ec4\u7684\u8bbe\u8ba1\uff0c\u5404\u4e2aBank Group\u5177\u5907\u72ec\u7acb\u542f\u52a8\u64cd\u4f5c\u8bfb\u3001\u5199\u7b49\u52a8\u4f5c\u7279\u6027\uff0cBank Group \u6570\u636e\u7ec4\u53ef\u5957\u7528\u591a\u4efb\u52a1\u7684\u89c2\u5ff5\u6765\u60f3\u8c61\uff0c\u4ea6\u53ef\u89e3\u91ca\u4e3aDDR4 \u5728\u540c\u4e00\u9891\u7387\u5de5\u4f5c\u5468\u671f\u5185\uff0c\u81f3\u591a\u53ef\u4ee5\u5904\u74064 \u7b14\u6570\u636e\uff0c\u6548\u7387\u660e\u663e\u597d\u8fc7\u4e8eDDR3\u3002 \u53e6\u5916DDR4\u589e\u52a0\u4e86DBI\uff08Data Bus Inversion\uff09\u3001CRC\uff08Cyclic Redundancy Check\uff09\u3001CA parity\u7b49\u529f\u80fd\uff0c\u8ba9DDR4\u5185\u5b58\u5728\u66f4\u5feb\u901f\u4e0e\u66f4\u7701\u7535\u7684\u540c\u65f6\u4ea6\u80fd\u591f\u589e\u5f3a\u4fe1\u53f7\u7684\u5b8c\u6574\u6027\u3001\u6539\u5584\u6570\u636e\u4f20\u8f93\u53ca\u50a8\u5b58\u7684\u53ef\u9760\u6027\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"790\" height=\"776\" class=\"wp-image-2061\" src=\"https:\/\/www.lgscomputer.com\/wp-content\/uploads\/2021\/01\/img_256-45.jpeg\" alt=\"IMG_256\" srcset=\"https:\/\/www.lgscomputer.com\/wp-content\/uploads\/2021\/01\/img_256-45.jpeg 790w, https:\/\/www.lgscomputer.com\/wp-content\/uploads\/2021\/01\/img_256-45-768x754.jpeg 768w, https:\/\/www.lgscomputer.com\/wp-content\/uploads\/2021\/01\/img_256-45-600x589.jpeg 600w, https:\/\/www.lgscomputer.com\/wp-content\/uploads\/2021\/01\/img_256-45-200x196.jpeg 200w\" sizes=\"auto, (max-width: 790px) 100vw, 790px\" \/><\/p>\n<p>\u5c0f\u7f16\u4eca\u5929\u533a\u522bDDR4\u4e0eDDR3<\/p>\n<p>\u5982\u4ecaDDR4\u5df2\u662f\u8bb8\u591a\u53d1\u70e7\u7231\u597d\u8005\u8ba8\u8bba\u7684\u4e00\u4e2a\u70ed\u95e8\u8bdd\u9898\uff0c\u968f\u7740DDR4\u5185\u5b58\u7684\u6d41\u884c\uff0c\u5b83\u6210\u4e3a\u4e86\u65b0\u5e73\u53f0\u88c5\u673a\u7528\u6237\u7684***\u3002\u90a3\u4e48\u76f8\u6bd4DDR3\uff0c\u90fd\u6709\u4e86\u54ea\u4e9b\u6bd4\u8f83\u91cd\u8981\u7684\u6539\u8fdb\u5462\uff1f<\/p>\n<p>\u5916\u89c2\u6539\u53d8\uff1aDDR4\u5185\u5b58\u6761\u5916\u89c2\u53d8\u5316\u660e\u663e\uff0c\u91d1\u624b\u6307\u53d8\u6210\u5f2f\u66f2\u72b6\uff0c\u8fd9\u610f\u5473\u7740\uff0cDDR4\u5185\u5b58\u4e0d\u518d\u517c\u5bb9DDR3\uff0c\u8001\u5e73\u53f0\u7535\u8111\u65e0\u6cd5\u5347\u7ea7DDR4\u5185\u5b58\uff0c\u9664\u975e\u5c06CPU\u548c\u4e3b\u677f\u90fd\u66f4\u6362\u4e3a\u65b0\u5e73\u53f0\u3002<\/p>\n<p>DDR4\u5185\u5b58\u9891\u7387\u4e0e\u5e26\u5bbd\u63d0\u5347\u660e\u663e\uff1a\u9891\u7387\u65b9\u9762\uff0cDDR3\u5185\u5b58\u8d77\u59cb\u9891\u7387\u4e3a800\uff0c***\u9891\u7387\u8fbe\u5230\u4e862133\u3002DDR4\u5185\u5b58\u8d77\u59cb\u9891\u7387\u5c31\u8fbe\u5230\u4e862133\uff0c\u91cf\u4ea7\u4ea7\u54c1***\u9891\u7387\u8fbe\u5230\u4e863000\uff0c\u4ece\u5185\u5b58\u9891\u7387\u6765\u770b\uff0cDDR4\u76f8\u6bd4DDR3\u63d0\u5347\u5f88\u5927\u3002<\/p>\n<p>\u5e26\u5bbd\u65b9\u9762\uff0cDDR4\u5185\u5b58\u7684\u6bcf\u4e2a\u9488\u811a\u90fd\u53ef\u4ee5\u63d0\u4f9b2Gbps(256MB\/S)\u7684\u5e26\u5bbd\uff0cDDR4-3200\u90a3\u5c31\u662f51.2GB\/s\uff0c\u6bd4\u4e4bDDR3-1866\u9ad8\u51fa\u4e86\u8d85\u8fc770%\u3002<\/p>\n<p>\u7efc\u5408\u6765\u770b\uff0cDDR4\u5185\u5b58\u6027\u80fd***\u5e45\u5ea6\u53ef\u6bd4DDR3\u63d0\u5347\u9ad8\u8fbe70%\uff0c\u751a\u81f3\u66f4\u9ad8\u3002<\/p>\n<p>DDR4\u5185\u5b58\u5bb9\u91cf\u63d0\u5347\u660e\u663e\uff0c\u53ef\u8fbe128GB\uff1a\u4e0a\u4e00\u4ee3DDR3\u5185\u5b58\uff0c***\u5355\u6311\u5bb9\u91cf\u4e3a64GB\uff0c\u5b9e\u9645\u80fd\u4e70\u5230\u7684\u57fa\u672c\u662f16GB\/32GB\uff0c\u800c\u65b0\u4e00\u4ee3DDR4\u5185\u5b58\uff0c\u5355\u6761\u5bb9\u91cf***\u53ef\u4ee5\u8fbe\u5230128GB\uff0c\u5ab2\u7f8eSSD\u4e86\u3002<\/p>\n<p>DDR4\u529f\u8017\u660e\u663e\u964d\u4f4e\uff0c\u7535\u538b\u8fbe\u52301.2V\u3001\u751a\u81f3\u66f4\u4f4e\uff1a\u4e0a\u4e00\u4ee3DDR3\u5185\u5b58\uff0c\u91c7\u75281.5V\u6807\u51c6\u7535\u538b\uff0c\u800cDDR4\u5185\u5b58\u5219\u964d\u4f4e\u4e3a1.2V\uff0c\u751a\u81f3\u53ef\u4ee5\u505a\u5230\u66f4\u4f4e\uff0c\u529f\u8017\u4e0b\u964d\u4e86\uff0c\u66f4\u7701\u7535\uff0c\u5e76\u4e14\u53ef\u4ee5\u51cf\u5c11\u5185\u5b58\u7684\u53d1\u70ed\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5de5\u4e1a\u4e00\u4f53\u673aDDR4\u662f\u4ec0\u4e48\u610f\u601d\uff1fDDR4\u548cDDR3\u4ee5\u53caDDR2\u6709\u533a\u522b\u5417\uff1f\u662f\u4ec0\u4e48\uff1f \u7b80\u5355\u6765\u8bf4\uff0cDDR4\u5c31\u662f\u7b2c\u4e8c\u4ee3\u5185 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[19],"class_list":["post-2060","post","type-post","status-publish","format-standard","hentry","category-xinwenzhongxin","tag-19"],"_links":{"self":[{"href":"https:\/\/www.lgscomputer.com\/wp-json\/wp\/v2\/posts\/2060","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lgscomputer.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lgscomputer.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lgscomputer.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lgscomputer.com\/wp-json\/wp\/v2\/comments?post=2060"}],"version-history":[{"count":0,"href":"https:\/\/www.lgscomputer.com\/wp-json\/wp\/v2\/posts\/2060\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lgscomputer.com\/wp-json\/wp\/v2\/media?parent=2060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lgscomputer.com\/wp-json\/wp\/v2\/categories?post=2060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lgscomputer.com\/wp-json\/wp\/v2\/tags?post=2060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}