At this moment in time, Barrett. It all depends though on the timeframe. If Barrett has already been world champion, then Sandow. If they've both never been, or Sandow has been world champion, Barrett. Not because I like Barrett more, just because he's had more time on the roster, so he's more due.
What would you rather your favourite wrestler had, 1 WWE Championship reign or 5 World Heavyweight Championship reigns? The reason I ask this is because we've all seen what's become of the WHC...
Game of Thrones has been renewed for season 4. A man is pleased.
"As the future of the land hangs in the balance, no one will rest until the Seven Kingdoms have exploded in a veritable storm of swords...."
Only if it was some great long established reign with the WWE Title (examples: Cena's, JBL's, CM Punk's current run), otherwise I'd take the 5 World Title reigns. If it's some filler forgettable WWE Title reign like both of Del Rio's, then no.