iPhone Duo vs Xiaomi 18 Fold: How these foldables stack up

In terms of design and display, the specs of both devices are quite similar. You'll find a 7.6-inch inner screen when these phones are open, and a 5.4-inch outer screen when they're closed — both with a 120Hz refresh rate. But Xiaomi claims that its phone reaches a peak brightness of 4,000 nits, while Apple's only goes up to 3,000 nits. More nits mean a brighter screen, which makes it easier to see content in more environments. Also, the iPhone Duo's internal screen has a nano-textured layer that helps reduce glare and also makes the crease much less visible. The Duo's front-facing camera is…