Some takeaways
Cousins has posted significantly higher yardage totals, but also throws the ball on average 75 more times per season than Smith.
With more throws, Cousins threw more TDs, but also more INTs.
The completion percentages are nearly identical, which shows both QBs are accurate passers.
At 7.6 YPA for Cousins and 7.5 YPA for Smith, the "dink-and-dunk" label doesn't really apply for either player. In 2017, Drew Brees led the NFL with an 8.1 YPA. Smith tied for second at 8.8 and Cousins tied for ninth at 7.6
Smith is definitely the better runner, but Cousins' ability to get in the end zone on the ground can't be denied.
Cousins has been remarkably durable the last three years with zero missed games. Smith missed one game for injury, and missed another in Week 17 of 2017 as the Chiefs had already clinched their playoff spot.
Smith won more games, but played on a better team.