mod_php vs (Fast)CGI vs FPM - DEVGuide
www.devguide.at › en › backendAug 01, 2021 · Instead everything is handled by the Apache process. The main advantage for using “mod_php” is performance. Compared to CGI you usually gain 300-500% when changing to mod_php. Main reason for that is the ability to cache PHP modules, or specifically the configuration which usually (in CGI and FastCGI) has to be parsed on every request.