!! A very simple comparison between Apache Tomcat and WebSphere

||What ||WebSphere||Tomcat
|Download size| 821 MB | 6 MB
|# files (downloaded tar) | 2410 | 576
|# files after installation | 15.712 | 576
|# classes in jars|345.000|2.945
|Automated Install time (including fixpacks) | 45 Min | 1 second
|Startup time | 50 seconds | 1 second
|Memory footprint| 300 MB | 45 MB