Yes, but it's in reverse to the player lines.
Supreme goalie skates fit like Vapor player skates - less volume, less foot wrap, less width, tapered boot. Vapor goalie skates (because they're built off the Reactor line, not the Vapor player line) fit like Supreme player skates - wider, more volume, more foot wrap, more room in the ankle, more anatomical boot.
The stiffness of the boot is a product of the quarter package composition, both lines will have the same stiffness when using the same quarter material. Unlike player skates, the pitch is the same on both models. One key difference is that the Supreme goalie skate has an asymmetrical ankle, where the outside of the ankle is lower than the inside. Vapor goalie skates have a symmetrical ankle, both sides are the same height. Other than that, the features are the same across the product levels.