Wong Yung is considered one of the most intelligent (if indeed not THE most intelligent) character in Jin Yong's canon. Aside from her father, East Heretic Wong Yerk See, nobody is in her class in the brainpower department.
Cheung Chung Kai, Mo Dong Hero # 4, was considered the most intelligent among the Mo Dong 7 Heroes. Indeed, the guy had a good head on his shoulders, and constantly made keen, incisive judgments. Cheung 3 Fung was always interested in hearing Cheung Chung Kai's opinion on important matters because CCK would always provide a lucid, circumspect assessment of the situation.
Cheung Chung Kai likely isn't in Wong Yung's class, but if Wong Yung had met him, would she have found his intelligence impressive? Would she have regarded his intelligence as strong enough to be worthy of her respect, even though he isn't likely to outsmart her?