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Foldable Phones: Apple Duo vs Xiaomi 18 Fold Showdown
13 Oct
Summary
- Both foldables feature identical 7.6-inch inner and 5.4-inch outer screens.
- Xiaomi 18 Fold boasts a brighter 4,000 nits screen compared to Apple's 3,000 nits.
- Apple's Duo uses titanium and Ceramic Shield; Xiaomi 18 Fold uses aluminum.

Two new foldable phones, the Apple Duo and the Xiaomi 18 Fold, are making waves, presenting distinct approaches to the emerging technology. Both devices feature a 7.6-inch foldable inner screen and a 5.4-inch external display, both equipped with a 120Hz refresh rate.
However, the Xiaomi 18 Fold claims a superior peak brightness of 4,000 nits, outshining the Apple Duo's 3,000 nits. Durability differs too, with the Duo utilizing a titanium frame and Ceramic Shield, certified IP68 for water resistance. The Xiaomi 18 Fold uses an aluminum frame with Shield Glass 3.0 and lacks an official IP rating.
Weight is another key differentiator, with the Xiaomi 18 Fold at a lighter 219 grams compared to the Duo's 254 grams. Performance-wise, the Duo is powered by Apple's 2nm A20 Pro chip, while the Xiaomi 18 Fold uses a 3nm XRING O3 chip. The 18 Fold also offers more RAM with 16 GB against the Duo's 12 GB.