--- title: FEX 2604 Released With Better Memory Savings For Running... description: FEX 2604 has been released, bringing memory savings improvements particularly beneficial for ARM64 systems with 8GB or 16GB of RAM. The update also includes... canonical: https://daily.dev/posts/fex-2604-released-with-better-memory-savings-for-running-x86-64-apps-games-on-arm64-u5ylb8zq4 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: FEX 2604 Released With Better Memory Savings For Running x86_64 Apps/Games On ARM64 | daily.dev og:description: FEX 2604 has been released, bringing memory savings improvements particularly beneficial for ARM64 systems with 8GB or 16GB of RAM. The update also includes... og:url: https://daily.dev/posts/fex-2604-released-with-better-memory-savings-for-running-x86-64-apps-games-on-arm64-u5ylb8zq4 og:image: https://api.daily.dev/og/posts/u5YlB8ZQ4.png og:image:alt: FEX 2604 Released With Better Memory Savings For Running x86_64 Apps/Games On ARM64 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. # FEX 2604 Released With Better Memory Savings For Running x86_64 Apps/Games On ARM64 **[Phoronix](https://daily.dev/sources/phoronix)** · 1 min read · 0 upvotes · 0 comments ## Summary FEX 2604 has been released, bringing memory savings improvements particularly beneficial for ARM64 systems with 8GB or 16GB of RAM. The update also includes performance improvements, notably a 3.7x average improvement for certain operations by avoiding unnecessary JIT exits, which benefits games using x87 transcendentals like Fallout: New Vegas. Additional bug fixes and workarounds are also included in this monthly update to the x86/x86_64 binary emulator for AArch64 Linux. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [FEX 2608 Released With More Fixes For Running x86\_64 Binaries On ARM64](https://daily.dev/posts/fex-2608-released-with-more-fixes-for-running-x86-64-binaries-on-arm64-72o1az0k3) · Phoronix · 0 upvotes · 0 comments - [FEX 2605 Brings Performance Improvements, Initial Snapdragon X2 Elite Fixes](https://daily.dev/posts/fex-2605-brings-performance-improvements-initial-snapdragon-x2-elite-fixes-jq64yjdaz) · Phoronix · 0 upvotes · 0 comments - [FEX 2511 Delivers More Performance Improvements For Linux x86 Binaries On ARM64](https://daily.dev/posts/fex-2511-delivers-more-performance-improvements-for-linux-x86-binaries-on-arm64-bjebpm2oc) · Phoronix · 0 upvotes · 0 comments - [FEX-Emu – A fast linux usermode x86 and x86-64 emulator](https://daily.dev/posts/fex-emu-a-fast-linux-usermode-x86-and-x86-64-emulator-bstz4t11r) · Hacker News · 0 upvotes · 0 comments - [FEX 2607 Optimizing For Yet-To-Be-Released ARM 256-bit SVE2 Hardware](https://daily.dev/posts/fex-2607-optimizing-for-yet-to-be-released-arm-256-bit-sve2-hardware-8bxvuytba) · Phoronix · 0 upvotes · 0 comments --- Tags: [#linux](https://daily.dev/tags/linux), [#hardware](https://daily.dev/tags/hardware) [View this post on daily.dev](https://daily.dev/posts/fex-2604-released-with-better-memory-savings-for-running-x86-64-apps-games-on-arm64-u5ylb8zq4) ```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":"FEX 2604 Released With Better Memory Savings For Running x86_64 Apps/Games On ARM64","url":"https://daily.dev/posts/fex-2604-released-with-better-memory-savings-for-running-x86-64-apps-games-on-arm64-u5ylb8zq4","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/fex-2604-released-with-better-memory-savings-for-running-x86-64-apps-games-on-arm64-u5ylb8zq4"},"datePublished":"2026-04-10T00:26:47.244Z","dateModified":"2026-04-10T00:27:17.837Z","description":"FEX 2604 has been released, bringing memory savings improvements particularly beneficial for ARM64 systems with 8GB or 16GB of RAM. 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