Better setting: God Of War has a much better setting due to its atmosphere and level design, and the levels themselves are much more interesting.
Better characters: Devil May Cry has a better protagonist. God Of War however has better supporting cast and antagonists.
Better first game: God Of War is far better than Devil May Cry. It has the best narrative in any game made yet, and the gameplay is still as good as ever.
Which evolved more: Devil May Cry evolved more, but not always for the good. God Of War also evolved but significantly less but it has more consistency in its quality and has a higher quality in general.
Better games: God Of War is the best in its genre, Devil May Cry doesn't match it in any way. Devil May Cry is a good series, but not as good as God Of War.