Ronaldo: 560 goals in 817 games
Messi: 524 goals in 658 games
(Ronaldo is only 36 goals ahead where Messi has 159 matches in hand to surpass it!)

Assists:
Ronaldo: 187 in 817 games
Messi: 220 in 658 games
(Messi is 33 assists ahead as well as played 159 matches less than Ronaldo!)

Hattrick:

Ronaldo: 43 Hattricks in 817 games
Messi: 41 Hattricks in 658 games
(Ronaldo is only 2 Hattricks ahead where Messi has 159 matches in hand to surpass it!)

Let's compare both of their Hattrick:

Ronaldo: 43 Hattricks, 50% of them with the help of Penalty!!!!!!!!
Messi: 41 Hattricks, 25% of them with the help of Penalty!!!!!!!!

Hattrick with Big Teams:

Messi scored 8 Hattrick against big teams, like: RealMadrid x 2, AthleticoMadrid x 3, Mancity, Arsenal & Brazil.
Ronaldo scored only 1 Hattrick against big teams, like: AthleticoMadrid (though it comes with the help of Penalty!!!)

Trophy:

Ronaldo: 19 Trophies at age of 32!
Messi: 29 Trophies at age of 29!
(Messi is 2 years younger than Ronaldo, as well as played 159 matches less than Ronaldo!)