Each one of us has his own needs, I will never tire of repeating it. I know them more than well: very fast charging, credible battery life, fast task execution, stable and fast connection (certainly dual-SIM) and excellent rear cameras.
I wouldn't say anything else: if I had to limit myself to the really essential things, then this is my "top 5". Then there are countless details and more or less subjective nuances that fill the basket of satisfaction: aesthetics, interface, gaming potential, size. If you aim for a top of the range-of any brand-it is really hard not to be satisfied in almost all the points listed so far, but it is important to find the right mix, perhaps with some compromise.
The find X3 Pro is the parent in the Oppo house and as such has put together many of their best technologies of 2021, but without overdoing it. I think of the 65W fast charging that allows me to carry it from off (0%) to 100% in about 27 minutes, of course with charger and proprietary cable. A great comfort that is difficult, if not impossible, to give up. I would add that even wireless charging speed is more than decisive (30W at most), just with this model I started to spread "wireless charging points" in strategic areas, at work and at home.
Nothing to object then on the speed of execution of the operations, as easy to imagine from his technical data sheet is a smartphone that sets few limits and, after having tried so many with such a platform, I also see some positive differences. One of these is the thermal management, the find X3 Pro in fact almost never heats up, which you certainly can't say of some competitors with the Snapdragon 888 chip (see the Sony Xperia 1 III on all).