Why is Enslaved(2010) so much inferior to Heavenly Sword(2007) graphically?

[SpartanFX]

hikaruchan said:

 

Enslaved OTTW looks grate to me but then I am not a Graphics Whore. 

and Enslaved OTTW is UT3.

now that i think about it even the combat is shallower than HS.(the hack and slash part of monkey)