For City, the appeal of another major cup is obvious. So is the wider tension around Pep Guardiola. His future still appears uncertain in public, and that has kept the spotlight fixed on every result, every touchline appearance and every hint around the club's next move.
Reports have continued to link Enzo Maresca with the long-term picture, but Saturday is unlikely to settle any of that. City are still balancing bigger pressures, with the Premier League title race still demanding attention and a crucial trip to Bournemouth looming in the background.
For Chelsea, this final feels like a credibility test as much as a cup tie. Their semi-final display against Leeds was widely praised in reports, especially because it followed a flat showing at Brighton under Liam Rosenior.
That has been the problem with Chelsea for much of this spell: flashes of authority, then long stretches that leave supporters unconvinced. At their best, they have the pace and technical quality to trouble anyone. The challenge is producing that level again when the occasion demands it.
That is why this final matters beyond the silverware. A City win would reinforce the sense that they keep functioning through uncertainty better than most clubs ever manage. A Chelsea win would do more than decorate the season - it would change the tone around a side still searching for a reliable identity.
Whatever happens at Wembley, the conversation will not end with the final whistle. City will quickly turn back to Bournemouth and the title race, while Chelsea will be judged on whether their best version is finally ready to stay.