Since the initial release of the teaser screencast, a lot of people have asked about Passenger’s (a.k.a. mod_rails) performance compared to Mongrel and Thin. Here’s the benchmark that you’ve all been waiting for. In this benchmark, we compare the following software: Phusion Passenger (mod_rails), latest development version Mongrel 1.1.4 Thin 0.7.1 System specification: Intel Core 2 Duo, T5300 @ 1