in terms of in the game verse, yes the warden was close to a god.... the companions could do some, but all my wardens usually contributed 50% or more to party damage by themselves (mage, warrior, and rogue)... and i very rarely swapped out party members. Plus the party of four literally slaughtered anywhere from 1000 to 3000 darkspawn throught the course of the game, and if we go to percentages, then the warden potentially slaughters 500 to 1500 darkspawn alone... Comparing them in the novels, it seems like the darkspawn are monstrous beings capable of killing many men before falling.... so we can assume the darkspawn are harder to kill than normal races.
I like hawke, but they really scaled hawke's epicness down.... killing qunari, mages, dwarves, and humans as a majority of your kills just doesnt seem to compare well to the warden's kill record.... hawke probably faced more mages, which are pretty powerful in lore terms....
Warden wins out, cause even when nations ally against the blight, they usually take 100 to 500 years to stop the blight with 3 or more nation's worth of military. The warden took that on with not even 1/2 that amount for back up.