The Jedi Consular is more powerful than anyone else in the Force. The shielding technique he learns is incredibly power and most that use it die after only a few times. The consular uses it a bunch of times and is no worse for wear. The fact that he can do this shows how strong he is in the Force. Just because it isn't flashy like force lightning doesn't mean he isn't the strongest in the Force.
Unfortunately strongest in the Force in no way indicates he would win the fight.
He would actually have to be willing to use that ability to a deadly limit in order to win.
The Inquisitor will have no problem pushing his limits and doing everything underhanded and dirty that he can to gain an advantage and actually kill the Consular.
He may be more powerful by far, but is he willing to use that power?