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Xiaomi MIX 4 announced with under-display camera from 4999 CNY
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Xiaomi MIX 4 announced with under-display camera from 4999 CNY

by Vyncent ChanAugust 11, 2021
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Xiaomi technically did put a camera under the display with the Mi MIX 3, with a sliding mechanism to reveal the selfie camera. But this involves no moving parts, and its also a lot fancier. The Xiaomi MIX 4 finally achieves a true bezel-less design, which was the whole goal of the Xiaomi Mi MIX family back then.

Xiaomi MIX 4: finally, a full-screen device

Xiaomi MIX 4 underdisplay camera (1)

While previous designs came with a somewhat visible patch on the display where visual quality is compromised, Xiaomi claims that their Camera Under Display technology provides for a uniform viewing experience, while not compromising on selfies.

This is achieved by using micro-diamond pixels, a redesigned circuit area and transparent subpixel circuits. When you are using the 20MP selfie camera, Xiaomi promises that the Xiaomi MIX 4 will still offer a great imaging experience, thanks to the use of imaging algorithm.

The rest of the display is somewhat mediocre with a 1080p resolution, especially in this day and age where we have 1440p or higher resolutions. Aside from that, the Xiaomi MIX 4’s 6.67″ AMOLED 3D curved display flows over all edges seamlessly, and also supports 10-bit TrueColor and also goes all the way up to 120Hz refresh rate.

Xiaomi MIX 4 gray (1)

Over on the back we have beautiful ceramic, a signature of the Mi MIX family since the very first one. You can get the Xiaomi MIX 4 in Black, White and Gray, with the latter supposedly created by using rare earth metals and precise temperature control within 5°C. While the original Mi MIX and Mi MIX 2 had beautiful 24K gold camera rings, the Xiaomi MIX 4’s camera hump is decidedly more derivative.

Xiaomi MIX 4 camera (1)

You get a triple camera setup, with a rather uninspired 108MP Samsung HMX main camera shared with the Mi 11, a 13MP ultra-wide camera and an 8MP 5x periscope zoom camera. It seems that Xiaomi focused their innovation on their ultra-wide camera, equipping it with a free-form lens to reduce distortion. The telephoto camera gets 50x digital zoom, letting you get closer to the action. Xiaomi could probably have done better if they used the Mi 11 Ultra‘s 50MP GN2 sensor, but I guess they didn’t want to further inflate the price.

Snapdragon 888+, Ultra-wide Band

Xiaomi MIX 4 thermal (1)

This is Xiaomi’s first Snapdragon 888+ device, which is probably going to be hotter than the Snapdragon 888. Xiaomi probably learned a few things from the toasty Mi 11, so the Xiaomi MIX 4 now boasts several graphene heatspreaders, with a total surface area of 11588mm².

Xiaomi MIX 4 UWB (1)

But a more important feature is probably the Ultra-wide Band (UWB) technology in the Xiaomi MIX 4. After much rumors, the Xiaomi MIX 4 will be the first to feature Ultra Wide Band technology, with the ability to connect by simply pointing it at compatible Xiaomi AIoT devices.

Xiaomi MIX 4 Specs

  • Snapdragon 888+, octa-core up to 2.995GHz, 5nm
  • Up to 12GB LPDDR5
  • Up to 512GB UFS 3.1 storage
  • 6.67″ FHD+ 3D curved AMOLED display, CUP Full Screen Display
  • 108MP main camera + 13MP ultra-wide + 8MP 5x periscope zoom
  • 20MP CUP camera
  • 4500mAh battery, 120W wired charging, 50W wireless charging
  • 8GB+128GB: 4999 CNY (~RM3259)
    8GB+256GB: 5299 CNY (~RM3455)
    12GB+256GB: 5799 CNY (~RM3781)
    12GB+512GB: 6299 CNY (~RM4107)

Xiaomi MIX 4 colors (1)

The Xiaomi MIX 4 will be available in China starting 16th August, with no mention of global availability. Considering that the Mi MIX Alpha and Mi MIX Fold weren’t exactly available here in Malaysia, I guess it would be wise to keep our expectations realistic for the Xiaomi MIX 4.

Pokdepinion: I am just sad that the design of the MIX 4 looks nothing like the original Mi MIX or the Mi MIX 2.

About The Author
Vyncent Chan
Technology enthusiast, casual gamer, pharmacy graduate. Strongly opposes proprietary standards and always on the look out for incredible bang-for-buck.