Russia's air force recently grabbed the international spotlight with its bombing campaign in support of Syria's Bashar Assad. But how does it stack up against the world's greatest air force?

During Russia's stint in Syria, four of their latest and greatest Su-35 Flanker jets flew sorties just miles from the only operational fifth-generation fighter jet in the world, the US's F-22 Raptor.

Given the fundamental differences between these two top-tier fighter jets, we take a look at the technical specifications and find out which fighter would win in a head-to-head matchup.