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Xiaomi 12X review: just missing is also over?

Xiaomi 12X Cover Photo
Picture: TechnikNews
(Post picture: © 2022 TechnikNews)

With the Xiaomi 12X, the company from Beijing has brought the cheapest phone of the 12 series onto the market. TechnikNews examined the device.

Scope of delivery of the Xiaomi 12X

In addition to the device, the Xiaomi 12X also comes with a quick-charging power adapter, as well as a TPU case and a SIM tool. A detailed unboxing can be found here.

Design and workmanship

The device is based on the Xiaomi 12 series. It is built 1:1 like the Xiaomi 12, but a few grams lighter due to missing components such as wireless charging. The display is a little curved, but at 6,28″ it is very handy. This could be the best feature of the device for many, because small devices are becoming a rarity. MIUI is now also well adapted to one-handed use, so little hand movement is necessary.

On the back we find the usual Xiaomi 12 camera design. A large main camera, including two more sensors on the left. Next to these is a flash and the "50 megapixel" lettering. The workmanship is typically Xiaomi high quality, the device looks like it was made of one piece. The edges feel good, the buttons click well. You can choose between black, purple or the blue that we borrowed from Xiaomi.


The display of the Xiaomi 12X has a Full HD+ resolution, which ensures sharp content on a 6.28″ display with 419 ppi. The refresh rate is up to 120 Hertz, whereby LTPO technology has been dispensed with. 12-bit (i.e. up to 68 billion colors) AMOLED technology is also part of the equipment, the sides are slightly curved. I would have preferred a flat display as the difference between the 12 and 12X, because many are a little annoyed by the rounded edges. However, this did not bother me much review.

Xiaomi 12X screen

The display of the Xiaomi 12X has a FullHD+ resolution.

The display really convinced me in everyday life. The details, the color reproduction and the brightness are really good in everyday use, a difference to expensive flagships is only visible in the slightly higher resolution of WQHD+, which is rarely available for the price. Realme's competition continues in the GT 2 Pro but already on LTPO, which would have been very nice. A sentence to the fingerprint sensor, which is located under the display and acts quickly and reliably.


In XNUMX, when ProThe processor uses the Snapdragon 870, a two-year-old SoC. This SoC can now be found in many cheap smartphones, Xiaomi itself is already using it in the POCO F3, which my colleague Yinan tested last year has tested. What does Xiaomi use to make up for this? Well, the device only comes with 256 gigabytes of storage and 8 GB of RAM.

But how does the device work in everyday life? Well, MIUI has been optimized a lot better over the years, so the interface itself isn't Proproblem The apps and games also run really well. Not on a Snapdragon 888 or 8 Gen 1 level, but without it Protrouble. But why does this annoy me? Prozessor choice still very crass? The whole thing has two reasons, which can also be very decisive for the end consumer.

First, you buy a flagship device so you can get plenty of performance for years to come. The SoC is still absolutely sufficient for all apps, but in 1-2 years it will be Prozessor will be a lot less optimized for apps, games in particular are becoming more and more performance-hungry (at least the graphics-intensive ones). A current SoC would then be 4-1 years old instead of 2 years old. The second reason might be even more important for many, updates. The Snapdragon 870 was co-developed for Android 10/11, which will also be the reason why the 12X is the only device that ships with Android 11 and gets *no* promise of an update. But more on that later.

So I would have wished for at least a Snapdragon 888, or why not a MediaTek SoC? Dimension 8100? 1300? Well, too bad.

Xiaomi 12X: speakers

Normally, I usually briefly talk about the speakers of a smartphone, but with Xiaomi these are always a highlight. These are again made in cooperation with Harman-Kardon and sit on the top and bottom left side. The sound is again above average, the speakers are particularly strong in the bass range. But they are placed a bit unfavorably, since they can be quickly covered with the hands. There is also an IR blaster next to the speakers, which can be used to control the TV. A very useful feature that gives Xiaomi a unique selling point.

Xiaomi 12X Speaker

The Xiaomi 12X has terrific speakers.


The Xiaomi 12X has three cameras on the back and a 32-megapixel front camera in the center of the display. The camera setup is therefore identical to the Xiaomi 12. A 50 megapixel IMX766 sensor for wide-angle photos, a 13 megapixel camera from OmniVision for ultra wide-angle shots and a 5MP telemacro camera from Samsung with 2x optical zoom.

Xiaomi 12X Camera

The Xiaomi 12X has the same cameras as the Xiaomi 12.

The main camera takes good, sharp photos with lots of details in daylight. The AI ​​also ensures good color adjustments and good dynamics.

The same applies to the ultra-wide-angle camera, which also takes good color photos. The photos are also sufficiently sharp, even at the edges of the photos, where many ultra-wide-angle sensors usually fail.

Then there is the tele-macro sensor, which I like to demonize in cheap devices. With 2x zoom, however, it is still usable, details are clearly visible and sharp.

Overall, the Xiaomi 12X has a good camera setup. Xiaomi convinces with good main camera photos and a nice ultra wide angle. In this price range, there is also competition from Realme, which (currently review) already delivers better recordings. But you definitely won't get bad cameras.

Battery of the Xiaomi 12X

The Xiaomi 12X has a 4500 mAh battery, which is recharged with a full 67W via cable. Yes, the charger is actually included in the box, kudos to Xiaomi for that. The battery is not suitable for the small display and the older SoC Proproblem Sure, you don't get a battery monster here, but Xiaomi was never known for that with their top models anyway. Compared to the Xiaomi 12, the X-Phone does without wireless charging, which I think is a bit of a shame. Sure, you want to withhold the 50W from the Xiaomi 12, but at least 15-20W would have been nice.

Xiaomi 12X store

The Xiaomi 12X charges with a fast 67 watts.

The everyday consumption is okay, I always got through the day with the device. But it stays with the day, in the evening I have to charge the device again and again at the latest. If I was out in the evening, I charged in the afternoon. I always think that's a fair comedyproMiss for flagship displays or fast performance, but with LTPO one could certainly have achieved even better runtimes. 5G also draws a lot of power, but you can easily disable it.

Software of the Xiaomi 12X

The software runs Android 11, with MIUI 13 skin on the device. Yes, you read that right. Android 11, March 2022, in a flagship device. That's a pity, since Xiaomi has always used the latest OS for its flagship devices. It's all down to it Prozessor, that's exactly why the two-year-old SoC was the wrong choice in my opinion. Otherwise, MIUI is known to be a somewhat “heavy” interface, but it is quite clear, especially for ex-iPhone users. Unfortunately, there is bloatware pre-installed, which does not have to be the case with flagships. But OPPO and co do too, unfortunately. While the Xiaomi 12 and 12 Pro get an update promise, the 12X will be excluded from it. Unfortunately, I am very disappointed with the Xiaomi 12X on the software side.

Xiaomi 12X software

Unfortunately, the Xiaomi 12X still runs Android 11.

If you want to know more about MIUI 13, here you can find more information about the OS.

Conclusion on the Xiaomi 12X

The Xiaomi 12X could have been the best value for money device in the Xiaomi 12 series. A great display, good cameras, a super-fast charging battery and some of the best speakers in the price category ensure a great user experience. But the two year old Prozessor turns the device into a Trojan horse. Old Android OS and no promise of a real upgrade could be a disappointment for many who hope for constantly updated software in a flagship device. If that doesn't matter to you, the Xiaomi 12X is a good smartphone for a good price.

I see a Realme GT 2 as an alternative Pro or Pixel 6 for most customers.

Buy Xiaomi 12X

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Nils Ahrensmeier

Nils has been with us since 2019 TechnikNews and very interested in smartphones, speakers, smartwatches and SmartHome. In addition to his 'Creative Business' studies, he enjoys pursuing his hobby of athletics and meeting up with friends.

Nils has already written 314 articles and made 32 comments.

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What a pointless saying about the 870. The 870 was hailed as a premium-level chipset last year (eg in the Poco F3). The 870 is lightning fast. And it offers better battery life. The 888 and 8 Gen1 both throttle due to heat and are only marginally faster. I had both phones, both the Poco F3 with 870 and the Google Pixel 6. In comparison, the F3 was FASTER in all benchmarks 🙂

Now I have an 11pro what I bought from China for 570 with 256GB 😉

Mike P

Better an SD 870, which still performs excellently in all tests and gives the 12X a phenomenal battery life, than the SD 888 or SD 8 Gen. 1, which can also be used as a Syndwichmaker.
The 12 and 12 Pro runs 1,5 hours less in the battery test and that is a tough argument for the so-called Trojan horse.

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