Sony Vaio is better. But if you want accurate answer then:
-1- Check both of their RAM:
the one with more RAM will be better.
-2- Check both of their processor:
whether its i3 i5 or i7. i5 is good and i7 is the best.
-3-check their hard disk:
the one with more is better if you store a lot
-4-check their screen size and type:
the one with bigger screen is good . But if you want something portable- it depends on you.
-5-Check their Operating System:
Windows 7 is the best.

Most of the vaio laptops have this.