I believe the left side is Campsis × tagliabuana Madame Galen. I’m not sure because it lacks the indentation often seen on the metals. The petals are smooth, like Madame Rosy but the leaves were dark. The right side is Campsis radicans ‘Monbol’ aka Balboa Sunset. I wanted to show the difference in size. The Balboa Sunset is growing in the yard. The Madame Galen is grown in tree form by someone else in the neighborhood.
Here are three different flowers:
In any case, as far as fast growth and beauty, I don’t think anything can compare with any Campsis radicans.