UM982 by holybro vs f9p GNSS what is better?

So I have read endless hours about what GNSS is better, I have a UM982 and it has a fast fix and seems to aquire loads of satelites fast. I keep reading that the UBLOX F9P is the best. is there really a big difference in the 2 gps units? Reason that I bring this up is I plan on purchasing another GNSS unit soon. I have read the shootouts that users posted here…