Xiaomi Mix 4 hides a selfie camera inside the screen

Xiaomi has revealed its latest Android smartphone, and if the idea of ​​an under-display camera, Snapdragon 888+ chipset and 120W ultra-fast charging, then the Xiaomi Mix 4 could catch your eye. The latest in the Mix flagship series, the latest phone wraps its tech in a unibody ceramic design.

On the front is a 6.67-inch 3D curved AMOLED display, with a resolution of 2400 x 1080. It supports Dolby Vision and HDR10+, has a 120Hz refresh rate and 480Hz touch sampling rate, and supports P3 color gamut. Above it is a panel of the latest Corning Gorilla Glass Victus.

This is what’s peeking between The pixels are arguably the most interesting. The 20MP front camera uses what Xiaomi calls CUP, or “Camera Under Panel” technology, which it says has had hundreds of engineers working over the past five years. It’s a combination of screen design and imaging software, to not only take good selfies but do so without a modest screen correction.

The answer, Xiaomi says, are smaller “diamond micro-pixels” that can also be brighter. They use a redesigned matrix of circles, which also increases the degree of transparency in the camera area, along with transparent sub-pixel circles. Finally, the imaging algorithms eliminate any last-ditch issues.

In the back there are three cameras. The main camera is a 108MP sensor with 4-in-1 Super Pixels, OIS, and an f/1.95 lens. It is combined with a 50x periscope camera with 8-megapixel sensor and OIS: it offers 5x optical zoom and 50x digital zoom. Finally, there’s the 13MP widescreen, with a 120-degree field of view from its f/2.2 lens. Image processing smooths out any lens aberrations or curves.

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Inside the Mix 4 is Qualcomm’s Snapdragon 888+ 5G chipset, used here for the first time. The initial clock speed is 3GHz, along with a new graphene heat spreader that Xiaomi says is lighter and more efficient in cooling. There will be four different variants, either with 8GB or 12GB of 6400Mbps LPDDR5 memory, and up to 512GB of storage.

As for connectivity, there is the usual 5G, WiFi, Bluetooth and NFC, but also Ultra Wideband (UWB). This works with Xiaomi’s AIoT suite of smart home gadgets, allowing users to point the Mix 4 at a device for connection.

For power, there’s a 4,500mAh battery and support for both 120W wired fast charging and 50W fast wireless charging. Xiaomi’s Boost Mode provides 100 percent charge in less than 15 minutes using a wired connection or 28 minutes wirelessly.

All of this is wrapped in a new unified ceramic body, which Xiaomi says is now – at 225 grams – 30 percent lighter than the old version. It will be offered in Ceramic Black and Ceramic White as with the previous phones, but also in a new Ceramic Gray that the company says is inspired by the Chinese Song Dynasty porcelain.

Sales of the Xiaomi Mix 4 have started in China as of August 16, with the phone priced between CNY 4,999 ($782) and CNY6,299 ($985). No word at this point on availability in other regions.


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