Foldables are rapidly evolving in China, with devices becoming thinner while offering more powerful chipsets, advanced cameras, and larger batteries. Xiaomi’s new Mix Fold 4 weighs just 226 grams, features a 7.98-inch main display, and four Leica rear cameras, including a periscope module with 5x zoom. The smartphone is 4.59 mm thick when unfolded and 9.47 mm thick when folded.
Image source: Xiaomi
The frame of the new product is made of high-strength T800H carbon fiber, which, according to the manufacturer, provides 300% better impact protection compared to its predecessor.
The Mix Fold 4 is Xiaomi’s first foldable phone with an IPX8 rating, meaning it can withstand submersion in up to 1.5 meters of water for 30 minutes.
The outer display is a 6.56-inch LTPO OLED display with FHD+ resolution, 1–120Hz adaptive refresh rate, and 21:9 aspect ratio. The main display is a 7.98-inch panel made of ultra-thin glass (UTG), which also has FHD+ resolution and 1–120Hz adaptive refresh rate. Xiaomi claims that both displays offer a peak brightness of up to 3,000 cd/m².
The Xiaomi Mix Fold 4 is powered by a Qualcomm Snapdragon 8 Gen 3 chipset, paired with up to 16GB of RAM and up to 1TB of internal storage. The smartphone runs on Xiaomi HyperOS based on Android 14 and is equipped with a 5100mAh Xiaomi Surge battery with 67W wired charging and 50W wireless charging.
Xiaomi has paid serious attention to the photographic capabilities of the new product: Mix Fold 4 is equipped with four main Leica cameras with Summilux lenses. The main camera with an equivalent focal length of 23 mm is equipped with a LYT-800 sensor with a resolution of 50 MP, f / 1.7 aperture and optical image stabilization. It is complemented by a 50-megapixel portrait camera with an equivalent focal length of 47 mm and a 10-megapixel periscope camera with 5x optical zoom and an equivalent focal length of 115 mm. The fourth camera is an ultra-wide-angle lens with a focal length of 15 mm and a resolution of 12 MP. Both front cameras of the device, located under the screens, have a resolution of 20 MP.
Xiaomi Mix Fold 4 comes in black, white and blue colors.
The 12GB RAM/256GB storage variant costs CNY 8,999 ($1,237), the 16GB RAM/512GB storage variant costs CNY 9,999 ($1,375), and the top-end 16GB RAM/1TB storage variant costs CNY 10,999 ($1,513).
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