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Process)","unit":"req/sec","category":"Performance","dataType":"number","higherIsBetter":true,"values":[{"entityId":"cmqs3ua5n00csszupq97ahrdk","valueText":"~3,000","valueNumber":3000,"valueBoolean":null,"winner":false},{"entityId":"cmqs3zdna00qgszupv5gkd2kb","valueText":"~35,000","valueNumber":35000,"valueBoolean":null,"winner":true}]},{"id":"cmrasho1d009r5renjh0vtqmp","slug":"memory-per-process","name":"Memory Per Process","unit":"MB","category":"Performance","dataType":"number","higherIsBetter":false,"values":[{"entityId":"cmqs3ua5n00csszupq97ahrdk","valueText":"~100-150","valueNumber":125,"valueBoolean":null,"winner":false},{"entityId":"cmqs3zdna00qgszupv5gkd2kb","valueText":"~5-15","valueNumber":10,"valueBoolean":null,"winner":true}]}],"faqs":[{"question":"Which framework is faster: Rails or Phoenix?","answer":"Phoenix is 10-20x faster at handling requests. Rails achieves ~3,000 req/sec per process due to Ruby's Global Interpreter Lock, while Phoenix delivers 35,000+ req/sec per process thanks to the Erlang BEAM VM's lightweight concurrency model. For I/O-heavy applications or real-time features, this difference is critical."},{"question":"Can Rails handle real-time applications?","answer":"Yes, but not natively. Rails uses Action Cable (added in Rails 5) to provide WebSocket support, but it requires additional configuration and external dependencies. Phoenix includes Phoenix Channels as a first-class feature, making real-time apps significantly easier to build and maintain."},{"question":"Is it harder to find Phoenix developers than Rails developers?","answer":"Yes, significantly. As of 2026, Rails has 12,500+ active job postings globally versus 850+ for Phoenix. The Rails community is 14x larger, making recruitment, hiring, and knowledge sharing much easier for Rails projects. Phoenix's smaller pool makes it more challenging for startups unless you're willing to train team members."},{"question":"Which framework should I choose for a startup MVP?","answer":"Rails is the better choice for most startups. You'll hit market faster (30 min to first app vs. 45 min), find cheaper developer talent, and leverage 175,000+ pre-built gems for features like authentication and payments. Choose Phoenix only if you specifically need real-time capabilities or plan for 50,000+ concurrent users from day one."},{"question":"Does Phoenix require learning functional programming?","answer":"Yes, to use Phoenix effectively, you should understand Elixir's functional paradigms (immutability, pattern matching, pipes). This creates a steeper learning curve compared to Rails' imperative Ruby style, especially for developers from OOP backgrounds. Plan 2-4 weeks extra ramp-up time for a Rails developer learning Phoenix."}],"relatedComparisons":[{"slug":"rails-vs-phoenix","title":"Rails vs Phoenix","category":"software"},{"slug":"rails-vs-fastapi","title":"Rails vs FastAPI","category":"software"},{"slug":"rails-vs-spring","title":"Ruby on Rails vs Spring Framework","category":"software"},{"slug":"rails-vs-nextjs","title":"Ruby on Rails vs Next.js","category":"software"},{"slug":"rails-vs-laravel","title":"Rails vs Laravel","category":"software"},{"slug":"rails-vs-spring)","title":"Ruby on Rails vs Spring Framework","category":"software"},{"slug":"rails-vs-nextjs)","title":"Ruby on Rails vs Next.js","category":"software"},{"slug":"rails-vs-fastapi)","title":"Rails vs FastAPI","category":"software"},{"slug":"wordpress-vs-wix","title":"WordPress vs Wix","category":"software"},{"slug":"slack-vs-microsoft-teams","title":"Slack vs Microsoft Teams","category":"software"},{"slug":"canva-vs-photoshop","title":"Canva vs Photoshop","category":"software"},{"slug":"figma-vs-sketch","title":"Figma vs Sketch","category":"software"}],"relatedBlogPosts":[{"slug":"best-streaming-services-in-2026-top-picks-for-every-budget-interest","title":"Best Streaming Services in 2026: Top Picks for Every Budget & Interest","excerpt":"Navigating the crowded streaming landscape in 2026 can be overwhelming. 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