Would this be a better ski than Atomic RT 80 or Atomic MX 7 for mostly hardpark skiing conditions? Which of these three would be best for hardpack skiing?

Tech Specs:

Lengths:

163cm, 172cm, 181cm, 190cm 

Dimensions:

117 / 80 / 104mm 

Turn Radius:

20M 

Construction:

Cap sandwich 

Core Material:

Densolite foam 

Base:

Sintered P-Tex 

Tail:

Flat 

Binding System:

No 

Binding Included:

No 

Recommended Binding:

No 

Weight:

[Pair] 7lb (3175g) 

Recommended Use:

Alpine, telemark, alpine touring 

Manufacturer Warranty:

1 Year