49ers v. Cardinals by the numbers

Is it possible the Cardinals recently have been playing better than the 49ers? Here is a statistical comparison of the two teams over the past three games.

49ERS DEFENSE (Last 3 games)
18.3 points per game allowed
0.325 points per play
5.0 yards per play
37.84% 3rd down conversions
3.4 yards per carry
6.2 yards per pass attempt
65.42 completion percentage
84.9 passer rating
6.14 sack percentage

CARDINALS DEFENSE (Last 3 games)
18.0 points per game
0.298 points per play
5.0 yards per play
31.58% 3rd down conversions
4.6 yards per carry
5.7 yards per attempt
56.25 completion percentage
70.9 passer rating
8.94 sack percentage

COLIN KAEPERNICK (Last 3 games)
59.49 completion percentage
6.6 yards per pass attempt
93.6 passer rating
8.14 sack percentage

CARSON PALMER (Last 3 games)
68.97 completion percentage
7.4 yards per pass attempt
84.4 passer rating
5.43 sack percentage

Which team currently is playing at a higher level?