Is it just the bridge cameras in the title that carry the one inch sensor ? Some of the images posted here are really something . I wonder how the quality holds up to micro 4/3rds sensors , Does bigger sensor mean better quality ? Would also be interested in how good they are at action captures .
There may be something in the Canon range that qualifies but it's mainly just the RX10s, FZ1000 & FZ2000 that have 1" sensors. Nikon announced a range using it, had production problems then cancelled the lot after a long delay. There are other cameras that use 1" sensors that are not bridge cameras.
Bigger sensors with the same number of pixels generally mean better low light results, dynamic range and lower noise as the individual pixels are larger. The micro 4/3 sensor is almost twice the area of 1" so should give at most one stop better results, given equivalent lenses.
The RX10 IV focusses fast enough to be used for F1 photography.