User blog comment:Emptylord/Season 3 - PBE Patch Notes/@comment-112.198.90.34-20121125112353/@comment-3974211-20121125120237

The other gold/10s build into damage/provide damage. It sort of makes sense that it would be a better gold/10 given that it grants no offensive stats, but requires you to be offensive to use the stats it does give.