Nubia X Full Review: First Evaluation, Dual Screen, Double Side Fingerprint (Coupon)


Nubia has recently introduced the flagship model Z18, but now it’s time for an even more interesting device. Nubia X is the top smartphone of a Chinese company that stands out with its two screens and two fingerprint readers. Nubia X clearly differs from the Z18 model, which was presented in September. The novelty is equipped with an additional screen on the rear panel. This is the only Notch-free full-screen model on the market that uses LCD material, starting at 3,299 yuan ($478.75).

Design & Appearance

In terms of design, Nubia X adopts double-sided glass material and metal middle frame design, while the front LCD screen adopts ultra-narrow bezel design, and is the world’s first LCD screen with COB packaging technology. At the same time, the pursuit of high screen ratio and both antenna optimization and efficient heat dissipation.

The use of a second screen on the back made it possible to remove the front camera – selfie photos are taken with the main camera, and the frame view provides an additional display. The lack of a separate module for selfies has in turn translated into a smaller frame of the screen. The producer from the Middle Kingdom boasted that the main IPS LCD is filling 93.6 percent. the surface of the front panel. There is no characteristic indentation.

The back has clearly profiled edges, and the 5.1-inch OLED occupies a central position above it was a double camera, and below the Nubia logo. On the additional screen you can display the same content as the main panel, and when not in use, you can “put” on it a clock displaying the current time, wallpaper or your own signature. Nubia X takes a different path to maintain thin borders, without complex mechanisms and without notches. Instead of placing a selfie cam facing forward over the screen, the Nubia X uses rear cameras to take selfies. How does it work? Well, the Nubia X actually has a large secondary color screen on the back.

The resignation from the front camera is not the only compromise that the company had to go to by adding a second screen. The X model also does not have a 3.5 mm jack or stereo speaker jack. What is interesting – Nubia took care of two fingerprint readers. No, there is no module built into the screen – biometric scanners are placed on both sides. They are used to unlock the main or additional screen. The advantage is the ability to use them as navigation buttons, which is to facilitate the operation of the device.

The Nubia X smartphone comes with a main 6.26-inch Full HD+ display. Surprisingly, the device comes with no notch. Considerably there is no bezel as well. Since there is no front camera, the company managed to ditch the notch and the moving parts. Instead of a front facing camera, there is a secondary screen embedded into the back glass panel.

The Super AMOLED panel sized at 5.1-inches provides a buttery smooth visual experience from the rear of the smartphone. The switching between the displays is also enabled using the pressure sensing side panels, similar to the HTC U12+ smartphone. The rear panel does also offer an eye protection with the translucent layers along the back panel, which is awaiting the patent. Additionally, the rear panel can be utilized while gaming as R-L controllers.

In addition to the eye protection function, the dual screen also brings more possibilities for the use of Nubia X. Thanks to the AI ?? learning ability of the ET evolution tensor technology, the nubia system will follow the user’s usage habits. Predict the use of two screens, for example, if you like to use the more eye-protected back screen to read news, the system will automatically switch to the rear screen after you open the relevant software, reducing the steps that need manual operation, of course you also It can be quickly switched through the two-sided touch module, and the switching experience is seamless.

In the phone settings, the Nubia X’s secondary screen has a total of 4 eye protection levels, here to show you the basic/light/super three eye level:


In addition, the rear screen can also be combined with the game to provide back touch function, because on the hardware is a multi-touch screen, the player can define the game button in the game, let you show multi-finger operation. In this regard, Nubia said that the current back touch function has now supported popular mobile games such as Jedi Survival, King Glory, and World of Tanks. I believe that more games will be adapted in the future.


The smartphone is based on Qualcomm’s Snapdragon 845 SoC that integrates eight general-purpose Kryo 385 cores running at 1.80-2.65 GHz, the Adreno 630 GPU, a 64-bit LPDDR4X memory controller, Qualcomm’s X20 LTE modem, and so on. Right now, the S845 is Qualcomm’s flagship SoC for smartphones, so from processing and general features point of view, the Nubia X is on par with its competitors from other companies. The SoC is paired with 4 or 8 GB of LPDDR4X memory as well as 64 or 128 GB of storage. Interestingly, Nubia claims that it uses graphene layers to cool down the key electronic components of the Nubia X.

The Snapdragon 845 is Qualcomm’s flagship chip in 2018. It is based on the second-generation 10nm process. It uses a Kryo 385 architecture, with a CPU clock speed of up to 2.8GHz, an Adreno 630 HPU, a dual-channel LPDDR4X memory support, a peak download rate of up to 1.2Gbps, and the peak upload rate of 150Mbps.

According to the official information, compared to the Snapdragon 835, the Kryo 385 CPU performance increased by 25%, the Adreno 630 GPU performance increased by 30%, power consumption reduced by 30%, and it comes with an integrated Spectra 280 ISP, supporting 4K HDR 60fps video capture.


When it comes to imaging capabilities of the Nubia X, they are limited to the back-facing dual camera setup. The primary camera comprises of a 24 MP sensor with a f/1.7 aperture, followed by a 16 MP sensor with a f/1.8 aperture, and a dual-LED dual-tone flash (one of the LEDs is a soft light one). As noted above, the camera is designed to be used both for regular and for selfie photos. The latter will clearly benefit from an advanced flash and high-performance sensors, so the Nubia X could become popular among those interested in selfies. Nubia claims that its camera software can detect scenes and environments to adjust settings, but does not elaborate.

In-Day Light

We can notice the Nubia X got quite a good optical blur effect, the focus is fast and accurate, the picture body is rich in details, the metal lines and tiny stamens of pink flowers are vivid.

For the backlighting photos, under the strong contrast in the daytime, the Nubia X’s performance is also quite good. Though there is some noise at the bottom of the eaves and pavilions, the sky is clear. The Nubia X’s white balance performance is normal.

In-Night Light

Though there is some noise in the photos, the light source is slightly exposed.


As you can see, after using the beauty, the skin of the face is more delicate and smooth, and the color of the bags under the eyes disappears.

It can be also seen that the front portrait effect of the Nubia X is much better than that of the front single camera. The portrait is accurate, there is no blurring error, and the background is also empty.

Battery & Connectivity

As for the battery, the handset is equipped with a 3,800 Li-Po battery, which is in line with a battery capacity of top-of-the-range smartphones from other makers. Meanwhile, one has to keep in mind that the Nubia X has the second screen and therefore consumes more than competing devices. Even though OLEDs do not consume a lot of power, they still do consume some, so it will be interesting to see how long will the Nubia X live on one charge.

The brightness at 50%, and playing a 60-minute online video, when the remaining power was 87%. After the test, the power dropped to 75%. Thus, in an hour, the phone consumes 12%. So a simple calculation shows the Nubia X can play online videos for about 8 hours. We also used the PUBG game to test the phone’s endurance when playing heavy games. After 30 minutes, the 99% remaining power dropped to 87%. Thus, our protagonist can play games for 4 hours. The Nubia X comes with a 9V/2A fast-charge head. Starting from 5%, without a card, and being connected to Wi-Fi, it took only 110 minutes to fully charge the phone.

Next up is connectivity. The smartphone supports modern 4G/LTE networks, 802.11ac Wi-Fi, and Bluetooth 5.0 on the wireless side of things. As for physical interfaces, the Nubia X has a USB Type-C port for charging, but no 3.5-mm jack for headsets. Nubia will ship the X with Google Android 8.1 OS and its own Nubia 6.0 UI.

Also Read:  Grab 11.11 Shopping Festival Coupons to Cut Down Price for All Goods of Geekbuying


Nubia X will be offered in three colors and will be on sale next week in China (and certainly also in import). Its price varies from 3299 yuan (418 euros) in version 6 + 64 GB to 4199 yuan (532 euros) in version 8 + 256 GB, through 3699 yuan (469 euros) in version 8 + 128 GB. Note that one of the colors costs 100 yuan more than the others. The eye has opened new dual appointment in Jingdong Mall and will be held November 5 at 10 am officially on sale in Jingdong whole. Right now you can grab a Nubia X 128GB at only $609.99 with coupon code:  SDCGNGWW


Leave A Reply