iPhone Duo vs. Xiaomi 18 Fold: Which Passport-Style Foldable Wins?

Unveiled just two days apart, the iPhone Duo and the Xiaomi 18 Fold represent a major shift in the foldable smartphone market, both adopting a sleek, passport-style form factor that moves away from traditional square designs. While they share nearly identical physical footprints and screen dimensions, their underlying philosophies regarding camera hardware, build materials, processing power, and software ecosystems could not be more different. Here is a detailed breakdown of how Apple’s $1,999 f