--- title: A BIOS update silently killed my RAM performance, and I... description: A BIOS update performed before swapping to an AMD Ryzen 5800X3D silently reset the DOCP/XMP memory profile, causing RAM to run at 2133MT/s instead of the rated... canonical: https://daily.dev/posts/a-bios-update-silently-killed-my-ram-performance-and-i-didn-t-notice-for-two-years-zqddjihta twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: A BIOS update silently killed my RAM performance, and I didn't notice for two years | daily.dev og:description: A BIOS update performed before swapping to an AMD Ryzen 5800X3D silently reset the DOCP/XMP memory profile, causing RAM to run at 2133MT/s instead of the rated... og:url: https://daily.dev/posts/a-bios-update-silently-killed-my-ram-performance-and-i-didn-t-notice-for-two-years-zqddjihta og:image: https://api.daily.dev/og/posts/ZQddJiHta.png og:image:alt: A BIOS update silently killed my RAM performance, and I didn't notice for two years og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # A BIOS update silently killed my RAM performance, and I didn't notice for two years **[XDA Developers](https://daily.dev/sources/xda-developers)** · 4 min read · 0 upvotes · 0 comments ## Summary A BIOS update performed before swapping to an AMD Ryzen 5800X3D silently reset the DOCP/XMP memory profile, causing RAM to run at 2133MT/s instead of the rated 3600MT/s for nearly two years. The performance loss went unnoticed largely because X3D CPUs rely heavily on their large L3 cache and are far less sensitive to memory speeds than standard Ryzen chips. The issue was only discovered by checking Task Manager and noticing the RAM speed. Re-enabling the DOCP profile immediately improved frame times, 1% lows, and reduced microstutters. The key takeaway: always verify BIOS settings — especially XMP/EXPO, PBO, and Resizable BAR — after any BIOS update or CPU swap. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [I ignored my motherboard's settings for years, and it quietly cost me performance](https://daily.dev/posts/i-ignored-my-motherboard-s-settings-for-years-and-it-quietly-cost-me-performance-tokkhi5ek) · XDA Developers · 1 upvotes · 0 comments - [I wish I realized my RAM wasn't running at full speed earlier](https://daily.dev/posts/i-wish-i-realized-my-ram-wasn-t-running-at-full-speed-earlier-g3csmpbsy) · XDA Developers · 0 upvotes · 0 comments - [The first thing I check in every new PC's BIOS is a setting most people leave switched off by accident](https://daily.dev/posts/the-first-thing-i-check-in-every-new-pc-s-bios-is-a-setting-most-people-leave-switched-off-by-accide-b0kkgtcsr) · XDA Developers · 0 upvotes · 0 comments - [I ignored BIOS updates for three years until I realized they were fixing my entire platform](https://daily.dev/posts/i-ignored-bios-updates-for-three-years-until-i-realized-they-were-fixing-my-entire-platform-f1pyjxm83) · XDA Developers · 0 upvotes · 0 comments - [My motherboard’s default BIOS settings were secretly killing my gaming experience](https://daily.dev/posts/my-motherboard-s-default-bios-settings-were-secretly-killing-my-gaming-experience-0akcpzngt) · XDA Developers · 20 upvotes · 0 comments --- Tags: [#hardware](https://daily.dev/tags/hardware) [View this post on daily.dev](https://daily.dev/posts/a-bios-update-silently-killed-my-ram-performance-and-i-didn-t-notice-for-two-years-zqddjihta) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"A BIOS update silently killed my RAM performance, and I didn't notice for two years","url":"https://daily.dev/posts/a-bios-update-silently-killed-my-ram-performance-and-i-didn-t-notice-for-two-years-zqddjihta","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/a-bios-update-silently-killed-my-ram-performance-and-i-didn-t-notice-for-two-years-zqddjihta"},"datePublished":"2026-08-02T21:30:59.817Z","dateModified":"2026-08-02T21:31:27.511Z","description":"A BIOS update performed before swapping to an AMD Ryzen 5800X3D silently reset the DOCP/XMP memory profile, causing RAM to run at 2133MT/s instead of the rated...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/256442f89744d7504bae3a00faf52867?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/256442f89744d7504bae3a00faf52867?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"XDA Developers","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"XDA Developers","logo":"https://media.daily.dev/image/upload/s--kCg6yyAP--/f_auto,q_auto/v1774964407/logos/xda-developers?_a=BAMAMiWQ0","url":"https://daily.dev/sources/xda-developers"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/a-bios-update-silently-killed-my-ram-performance-and-i-didn-t-notice-for-two-years-zqddjihta","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"hardware","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"XDA Developers","item":"https://daily.dev/sources/xda-developers"},{"@type":"ListItem","position":3,"name":"A BIOS update silently killed my RAM performance, and I didn't notice for two years"}]} ```