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Cloudflare Gen 13: Core Explosion, Cache Casualty

Cloudflare just dropped Gen 13 servers: 192 cores, double the speed, half the cache per core. Brilliant evolution or a gamble on Rust's promises?

DevTools Feed Apr 03, 2026 3 min read 18 views
Diagram of Cloudflare Gen 13 server with AMD EPYC 9965 processor and specs

⚡ Key Takeaways

  • Gen 13 doubles throughput via 192 cores, enabled by FL2 Rust stack 𝕏
  • Cache slashed 83%, but workloads adapted—software dictates hardware now 𝕏
  • 50% perf/watt gain delays data center builds, boosts TCO 𝕏
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#AMD EPYC Turin #Cloudflare Gen 13 #FL2 Rust #data center efficiency #server hardware

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Originally reported by Cloudflare Blog

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