Is Offense Really More Explosive with Kaepernick?

Is the 49ers offense really more explosive with Colin Kaepernick at quarterback?  Let's compare the numbers and you can decide for yourself.

Yards Per Attempt -         Kaepernick 9.2               Smith 8.0
Yards Per Completion -   Kaepernick 14.2             Smith 11.4
Completion Percentage -  Kaepernick 64.9%         Smith 70%
Pass First Downs -           Kaepernick 40.5% (30)  Smith 40% (87)
Sack Rate -                      Kaepernick 6.5               Smith 9.4
30+ yard pass plays         Kaepernick 6 (8.1%)      Smith 6 (2.8%)