It is relatively easy and defensible to say that the United States has the most powerful stealth aircraft. Many articles about stealth aircraft focus on radar cross-section (RCS), which is where the Russian Sukhoi Su-57 does fairly well, but RCS is just one (important) aspect of stealth. Modern fighter jets and bombers are nodes in a much more complicated web of systems that also helps them remain stealthy. Here, the Su-57 falls hard.
