A media-brand name is built for reach: content, national advertising and a personality the search algorithm rewards, and none of that requires a Saskatoon presence at all. A working local firm is built for the opposite: knowledge of specific neighbourhoods, an existing network of buyers and sellers, and enough transaction history in this city to price a home accurately without guessing.
The comparison that actually matters is transaction history in Saskatoon specifically, not follower count or franchise size. Ask any agent, brand-driven or not, how many Saskatoon closings they have handled in the last 12 months and in your specific price range, and verify their licence directly with the commission rather than trusting the website's own claims.
A recognizable name is not the same thing as local expertise, and in a market this size the second one is what actually sells your house for what it is worth. Get your hand-reviewed valuation from Joel Dyck.