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Xiaomi 18 Fold's wide design promises more power than Samsung's Z Fold 8; 6,000mAh battery, triple Leica camera, and custom chip lead specs

Xiaomi's 18 Fold, featuring a 6,000mAh battery, triple Leica camera, and a custom chip, aims to outperform Samsung's Z Fold 8 with its wider design and enhanced specs. The device boasts a 1.4:1 aspect ratio and is set for official sales starting September 10th.

cnet.com+1 source8 September 2026 · 07:46 UTC
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Xiaomi's 18 Fold, set to launch on September 10th, is designed to challenge Samsung's Z Fold 8 with its innovative features and specifications.125

The device boasts a 6,000mAh battery, significantly larger than the Z Fold 8's 4,800mAh, and supports 67W wired and 50W wireless charging.34

Its dual OLED displays can reach 4,000 nits of peak brightness, enhancing visibility in various lighting conditions.

The 18 Fold's design features a 1.4:1 aspect ratio on both its 7.58-inch inner and 5.38-inch outer screens, making it suitable for media consumption without letterboxing.

The phone is powered by Xiaomi's custom chip, promising Snapdragon 8 Elite-level performance and mobile-first support for Arm’s DLSS-style graphics acceleration on Android.

Photography enthusiasts will appreciate the triple Leica camera system, which includes a 200-megapixel main camera, a 50-megapixel 3.5x periscope telephoto, and a 50-megapixel ultrawide lens.

Despite its impressive specs, the 18 Fold is slightly heavier and thicker than the Z Fold 8, and lacks an official IP rating.

Xiaomi's latest offering is priced from £10,999 (about $1,600), but its international availability remains uncertain.

Key Insight
“The 18 Fold's 1.4:1 aspect ratio matches IMAX screens, potentially eliminating letterboxing. It also lacks an IP rating, a concern noted by reviewers, and is priced at ¥10,999 in China with no international launch confirmed.”
CuriousCats studied:
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cnet.com
“As first spotted by , the recently announced Switch 2 remake of The Legend of Zelda: Ocarina of Time is showing a digital price of AU$94.95.”
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The Verge
“The 18 Fold is Xiaomi’s first book-style foldable since , but the company has followed Huawei and Samsung in moving to a short, squat design. Xiaomi’s phone goes further though: it’s both shorter and wider than Samsung’s, with a roughly 1.4:1 aspect ratio on both the 7.58-inch inner and 5.38-inch outer screens — almost an exact match for both international paper sizes and IMAX screens, meaning this may be the one phone capable of playing without letterboxing.”
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