Xiaomi Mix 4, opinions after first contact. Video and photos.

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There are mobiles that you have in your hand and you think: “I wish more were like that”. This is what happens with the Xiaomi MIX 4, the first Xiaomi with front camera under the screen that we have had the opportunity to test for the first time in Spain during the Mobile World Congress in Barcelona.

Of course, the Xiaomi MIX 4 does not have a perfect design, but after trying it, we did have the feeling that hiding the camera under the screen is the way to go. As we will now tell you, it is a decision that has its particular problems, but the fact is that the front is so clean and minimalist that it is hard to believe that this solution will not expand rapidly in the coming years. Here we leave you with our contact of the Xiaomi MIX 4.

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Technical specifications of the Xiaomi Mix 4

Xiaomi MIX 4

Dimensions and weight

162.65 x 75.35 x 8.02mm
225g

Screen

AMOLED 6.67 inches FHD+
HDR10+, 10bit, 5,000,000:1
Refresh rate 120Hz

Processor

Snapdragon 888+

RAM

8 / 12GB LPDDR5

Storage

128 / 256 / 512GB (UFS 3.1)

rear cameras

108 megapixels, f/1.95, 7P, 1/1.33”, OIS,
Telephoto lens 8 megapixels, 120 mm, 5x, OIS
Wide angle 13 megapixels, 120º, f/2.2, 6P

Frontal camera

20 megapixels, under screen

Battery

4,500mAh
Fast charge 120W
Wireless charging 50W

OS

Android 11 + MIUI 12.5

connectivity

5G, WiFi 6, Bluetooth 5.2, GPS, NFC, USB-C

Others

Fingerprint reader under the screen
IP53 water resistance
USB support
Harman Kardon Stereo
Gorilla Glass Victus

Price

From 4,499 yuan (about 639 euros)

It is not the most compact mobile, but it is one of the most minimalist

Xiaomi Mix 4 3

We would not say that the Xiaomi MIX 4 is the mobile with the best design. Nor is it the one that offers a better screen ratio (it stays at 87.6%). And its body, despite being protected with Gorilla Glass Victus and offering excellent sensations, is not above most flagships. It could go through one more high-end if it weren’t because To this good construction is added the decision, key, to hide the front camera.

It is true that with the hole in the screen, many of us have already become accustomed to “forgetting” about the front camera. We can spend a good time using the mobile that rarely our sight will be distracted towards that small black hole. But in the search for minimalism, hiding the camera under the screen seems like a great success from a purely aesthetic point of view.

The front aspect of the MIX 4 is simply perfect. No shrillness. Without needing to accompany it with more premium finishes. Simply by hiding the camera, the appearance of the mobile takes a huge step forward. A simplicity so convincing that it is hard to think that this strategy will not be the norm for a while.

My Mix 4 Design

Let’s go to the question that many of us can ask ourselves. Can’t you really see the camera? The answer is basically no. If we look at the screen from the front, it is very difficult to confirm that the camera is there. Even with a white background. To be able to see it through the screen we will have to tilt the mobile to one side. With a light background, it is relatively easy to see a slight shadow. What in most mobile phones would be the hole in the screen, in this case it is hidden. Now, if we use a wallpaper with a slightly darker tone, then not even looking at the mobile from the side can we see that the camera is there.

In the attached images you can see it. When taking a photo on the mobile, a circle appears with a lighter tone, which indicates that it is there. But believe me when I tell you that the effect is very very convincing. More considering that it is a first generation.

Xiaomi Mix 4 11

For the rest, we are facing a mobile with a 6.67-inch FullHD + screen with a refresh rate of 120 Hz, a thickness of 8 millimeters and a generous weight of 225 grams. Although it is a high range, it is noted that it is one point below in construction of what the Chinese manufacturer is capable of offering. We can understand this MIX 4 as a product that seeks to try different things, mainly in the line of optimizing the front. But it is not enough, for example, to match the recent Xiaomi 12.

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power to spare

Xiaomi Mix 4 8

After using it for a while, we can say that the Xiaomi MIX 4 offers a high-end experience. That Snapdragon 888+ combined with the 12 GB of RAM are enough to move the entire system (Android 11 and MIUI 12.5) with tremendous slack. It may not include the Snapdragon 8 Gen 1, but in practice it doesn’t matter a bit because its performance is excellent.

At the battery level, 4,500 mAh is included along with a 120 W super fast charge and 50W wireless charge. The strategy that Xiaomi follows is striking. Packs in a slightly lower milliamp-hour count than the competition, but makes up for it with lightning-fast charging.

Xiaomi Mix 4 7

In terms of connectivity, it comes with WiFi 6, 5G, NFC, Bluetooth 4.2 and also adds support for Ultra WideBand (UWB). The stereo speakers at the bottom are signed by Harman Kardon, with logo included.

The rear camera includes a large 108-megapixel main sensor with seven-axis stabilization, a 120mm telephoto lens for 5x optical zoom and a 13 megapixel wide angle with an angle of 120 degrees. We have taken some photos and the result is quite decent, although not enough to be able to tell you great details.

and the big disappointment

Xiaomi Mix 4 9

If the camera under the screen fits so well at the design level, why haven’t we seen it on more phones? In addition to the MIX 4, the ZTE Axon 30 also features an under-display camera. The reason is simple: the front camera is not yet adapted to be placed under the screen.

The result of the front camera is… more than disastrous. Horrifying. Absurdly bad for a mobile of this level. What we have seen is so worrying that, if sold in Spain, most people would return the phone after trying the front camera.

The selfies come out blurry, out of focus, somewhat darker and where all the lights are blurred when they hit the screen. It is an almost hypnotizing effect; completely artificial.

ZTE Axon 30, analysis: its camera under the screen surprises, the power leaves you speechless

Even the ZTE Axon 30, which we were able to compare directly with the MIX 4, offers a better result on the front camera. No longer say any other Xiaomi that was on the stand. Even the most basic Xiaomi models offered a much better result.

Asking Xiaomi about this effect, his answer is that it is a first generation. They understand that there is a lot of work to be done and they excuse themselves that MIX 4 is still a niche product. From the brand they leave the door open for in the future the processing will be improved to be able to compensate the effect of the screen. It shouldn’t be difficult, at least not improve what they already have.

Xiaomi is right to bet on this path, even if it is still unusable

Xiaomi Mix 4 5

The Xiaomi MIX 4 is a range that offers something very specific. It is a high-end with a very innovative design, first-rate features and the latest Xiaomi technologies such as its 120W fast charge.

It is not a mobile that is going to reach Spain and not even in China does it have so much commercial pull, but in case the front camera is not a relevant element, the MIX 4 is a phone call. Also at a fairly low price for everything it offers.

Despite being a first generation, the camera under the screen already offers a almost perfect aesthetic result. From the front it is super difficult to appreciate and even from the side it is difficult to see. Much better than any hole in the screen or ‘notch’. However, its implementation is not so simple. Xiaomi does not seem to care that the quality of its front camera has plummeted.

Hopefully soon through software and better placement the result can be improved. We do not ask that its quality be equal to the current one, but we do ask that its level be minimally acceptable. By the time they achieve that, this type of design will be the most common.

There are mobiles that you have in your hand and you think: “I wish more were like that”. This is…

There are mobiles that you have in your hand and you think: “I wish more were like that”. This is…

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