Highly debatable when ROR has only 3 less points and 1 less goal, but has played 6 less games this season. ROR also plays the more important position and is better defensively.
You can't compare 2 players with just 20 games...
Since the lockout
Pacioretty has 128 goals and 248 pts in 305 games.
O'reilly has 78 goals and 214 pts in 282 games (on pace for 84 goals and 231 pts in 305 games).
The last 3 season (including this one)
Pacioretty has 74 goals and 149 pts in 188 games.
O'Rielly has 44 goals and 130 pts in 173 games.
Pacioretty has scored a ton more goals and more points than O'Rielly.
Rielly only has two seasons of 20+ goals. Pacioretty has 4 seasons of 30+ goals.
Rielly only has two seasons of 60+ pts. Pacioretty has 4 seasons of 60+ pts.
Pacioretty is an elite winger. O'Rielly is an elite 2C or a low end 1C.
Pacioretty is paid 4.5 M per year. O'Rielly is paid 7.5 M per year.
Patch is a better hockey player.