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    Subversion of 48 million ultra clear dual screen self portraits of mobile photography - Nubia Z20 evaluation

    [Original by Zhongguancun Online] Author: Yu Hang   |   Editor in charge: Pang Chao

    Where is the future of full screen? Is the clustering of Liu Haiping and beauty tips the direction of screen evolution? Nubia Z20 Another way to continue Nubia X Our double-sided screen brings us technology of the future.

    On August 8, Nubia released its annual flagship in Beijing mobile phone ——Nubia Z20, this mobile phone not only continues Nubia X's front and back dual screen design, but also retains Nubia X's top and bottom front and reverse symmetrical design. Before the evaluation, we must have a lot of confusion:

    1. What experience can dual screen combination bring?

    2. Will the design of the back screen affect other use experiences?

    3. In addition to dual screen, what are the highlights of Nubia Z20 mobile phone?

    Now, let's take these puzzles into the evaluation of Nubia Z20 to see what experience Nubia can bring us.

     Subversion of 48 million ultra clear dual screen self portraits of mobile photography - Nubia Z20 evaluation

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    01 Appearance

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    Nubia Z20 is a full screen mobile phone without front camera. Players will be shocked by the amazing display effect once they start. The front of Nubia Z20 uses a 6.42 inch flexible hyperboloid AMOLED screen, with a display ratio of 19.5: 92340 * 1080 resolution, and the PPI reaches 401. The most important thing is that there is no fringe on the front of the Nubian Z20. At a glance, the front screen of the Nubian Z20 is the only one in the smartphone.

    On the other hand, through the secondary screen behind us, we can feel Nubia's ultimate exploration of mobile phone design - when the mobile phone industry is in deep trouble, Nubia resolutely carries the banner of the mobile phone revolution.

    The banner of this revolution is not just the simple design of the front and back screens. A careful look at the Nubia Z20 shows that both the interaction and appearance of the Nubia Z20's dual screens can be included in mobile phone design textbooks.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation Nubia Z20 has very strong back integrity

    The presence of the screen on the back of the Nubian Z20 is extremely low. When the secondary screen of the Nubian Z20 is closed, the back has a strong visual integrity. If you don't tell you in advance, you won't even believe that there is a screen hidden at the bottom of the Nubian Z20 backplane.

    In terms of parameters, there is a piece on the back of Nubia Z20 5.1 inches The eye protection sub screen is made of AMOLED and has a resolution of 1520 * 720 pixels. At the same time, the secondary screen supports the new AOD2.0 (Always On Display) screen out display function.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    In addition to a "hidden" secondary screen, the back of the Nubian Z20 also has Nubian mobile phone The iconic red eye camera, meanwhile, the AMOLED material on the front and back of Nubia also has a large arc edge, bringing a very comfortable grip. In addition, the frame is made of polished reinforced aluminum alloy, which is elegant and seamless.

    The left border of Nubia Z20 has a SIM card slot and a power key with fingerprint unlocking, and the right border is the power key and fingerprint unlocking power key. It is worth noting that in addition to the combination of physical fingerprint identification and power key, Nubia Z20 is symmetrical - there are two keys because Nubia needs to consider the unlocking operation of Nubia Z20's front and back screens; The reason for symmetry is Nubia's symmetry aesthetics.

    02 Everything you want to know about dual screen is here

    After watching the appearance of Nubia Z20, I believe you are most interested in the quality of Nubia Z20 screen.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    According to the official publicity, we learned that the Nubian Z20 screen came from BOE.

     Don't just look at OLED screen when buying a mobile phone. Decipher the pixel arrangement of the mobile phone
    BOE AMOLED screen arrangement

    What is the quality of the front screen of Nubia Z20? We carried out the actual measurement through Ashley Displayi1 Pro and DisplayCal.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation
    DisplayCAL Test Results

    From the color gamut test results, the sRGB color volume of Nubia Z20 in the default mode has exceeded 100%, basically covering the entire sRGB space. In the higher DCI-P3 color gamut, the coverage of Nubia Z20 also exceeds 100%.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    The average value of Z20 Δ E in Nubia under the default mode is 0.35, and the maximum extreme value is 5.47. The Nubian Z20 performs well in terms of color accuracy in both testing and actual experience, and its color accuracy is quite high.

    How to switch between the front screen and the back secondary screen?

    The Nubian Z20 provides two ways to switch between these two screens:

    1. Thanks to gravity sensing, when unlocking the screen, which side of Nubia Z20 faces up, which side of the screen will light up.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    2. Switch through Nubia Z20's built-in screen Software Switch between the front and back screens.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    From the actual experience, Nubia Z20's two ways of switching the screen perfectly cover the two states of not enabling the phone and using the phone. No matter when and where, you can freely switch to the screen you want to use.

    What is the specific purpose of the secondary screen of Nubia Z20?

    1. Check the time and notice

    Think about it carefully. What is the most common operation for you to open your mobile phone every day? I don't think so WeChat Watch the news, but watch the time.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    Nubia Z20 sub screen supports the new AOD2.0 (Always On Display) screen out display function. At the same time, because the material of the secondary screen is AMOLED, even if the content is displayed for a long time, it will not increase the power consumption of the phone.

    2. High quality selfie

    As Nubia Z20 continues the design of Nubia X, the front camera is removed. If you use Nubia Z20 to take a self portrait, you can only use the secondary screen on the back.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation  Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    The quality of the rear three cameras of the Nubia Z20 is very high, so when we take a self portrait of the Nubia Z20, we can easily take high-quality photos that can only be taken by the mobile phone rear camera in the past.

    3. Shortcuts

    The system settings of Nubia Z20 can be modified on the secondary screen. In addition, the customized shortcut functions in the mobile phone APP can also be added on the secondary screen.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation  Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation  Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation    Nubia Z20 sub screen for convenient operation

    At present, the convenient operations supported by Nubia Z20 sub screen include: WeChat payment code, Alipay payment code, WeChat car code, rookie package express information, ticket express information, and Gaode Map navigation Planning, frequently used contacts and other functions.

    4. Game controller

    Yes, you are right. The secondary screen of Nubia Z20 can really be used as a game controller.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation Nubia Z20 custom key

    The secondary screen of Nubia Z20 can set L/R keys for different games. It supports two modes of single and double fingers, and the size of keys can also be customized. It supports sliding and clicking to achieve handle like operation.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation You can fire without pressing the front

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation The back fingers control the camera opening and firing respectively

    Taking Peace Elite as an example, when we open it, we can control the movement through the left thumb, the angle of view through the right thumb, and the left and right areas of the secondary screen behind control the firing and camera firing respectively, completely solving the problem of inflexible control when playing FPS games on mobile phones.

    03 Take photos

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    Nubia Z20 rear three shot 48 million main shot+ 16 million pixels Ultra wide angle camera+8 megapixel telephoto camera.

    The main camera sensor is Sony IMX586, The size is up to 1/2 inch, has a unit pixel size of 0.8um, and the aperture is up to F/1.7. At the same time, the main camera supports three-axis OIS optical anti shake, and the theoretical value of anti shake accuracy is 0.00061 °; The ultra wide angle camera sensor is Sony IMX 481, and the wide angle range is 122.2 °; The 8 million telephoto camera sensor is OV08A, which can achieve 3x optical zoom, 5x hybrid zoom, and up to 30x digital zoom.

    Next, let's take a look at the samples taken by Nubia Z20:

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    In the daytime, under the strong outdoor light, the contrast is full, the photo has a more three-dimensional sense, and the color restoration is accurate, which can accurately show the color of the stone lion. Let's take a look at the night shooting performance.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    At night, Nubia Z20 can take care of the exposure of dark and light parts at the same time, so as to "target" the whole picture, highlight the details of dark parts, and at the same time suppress the highlights to a certain extent. In the night shot, Nubia Z20 has a good effect on detail display and noise control, and the picture also maintains a certain sense of hierarchy.

    As mentioned earlier, Nubia Z20 has added a super wide-angle lens, which can bring a "super wide+super micro" photography experience. Therefore, we can easily take the big scene photos that can only be taken by professional equipment such as SLR in the past through Nubia Z20.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    From the proof, it can be found that the Nubia Z20 can clearly present the distant scenery whether it is an optical zoom or a hybrid zoom. At the same time, the picture still retains very rich details, and there is no obvious difference in exposure and color from the photos in the normal focus section.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    In addition to super wide angle, Nubia Z20 can also take super macro images up to 2.5 cm. Careful observation of Nubia Z20's macro sample shows that Nubia Z20's macro detail resolution is amazing, and even the details on the flowers are clearly visible.

    04 Performance

    In terms of performance, Nubia Z20 adopts the flagship Qualcomm Snapdragon 855 Plus processor, which is manufactured based on TSMC's 7nm process; The main frequency of the processor is up to 2.96GHz, 4.2% higher than that of Qualcomm Snapdragon 855 processor; This processor is integrated with Qualcomm Adreno 640 GPU, 15.4% more than Qualcomm Snapdragon 855 processor. In addition, Qualcomm Snapdragon 855 Plus has a built-in new generation Spectra 280 ISP, which provides strong support for photography.

    Let's take a look at the score of Nubia Z20.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    According to the actual test, Nubia Z20 Angora rabbit 386858 points, 3569 points for Geekbench single core, 10256 points for multi core, and 75011 points for 3D Mark. From the score data, the performance of the Nubia Z20 is absolutely a "performance monster".

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    At the same time, Nubia Z20 has added "game space" to ensure the actual game experience. The secondary screen touch handle, shielding notification, cleaning and acceleration and other functions help to make the game experience more enjoyable.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    Turning on the performance mode, we can see that there are four options in the game mode: "intelligent adjustment", "GPU acceleration", "CPU acceleration" and "super mode". Players can choose according to the actual situation, or use the "intelligent adjustment" mode by default.

    05 System

    Nubia Z20 is equipped with Nubia UI built based on Android P, which, together with the new ET technology, can constantly self evolve according to the user's daily use habits, make real-time dynamic adjustments, and allocate performance and power consumption on demand, so that the mobile phone can still be used smoothly for a long time. ET technology can effectively balance the performance and power consumption, and the mobile phone will have a longer battery life, so that the mobile phone will be used faster and faster.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation  Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation  Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation Nubia UI

    At the same time, Nubia UI also has many AI functions, such as AI Maverick Voice 3.0, AI face unlocking, AI intelligent services, etc., which can provide users with more efficient services.

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation  Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation  Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    In addition, Nubia Z20 also innovatively brings a new experience of "pressure frame". By setting the pressure level and frame pressing time, it achieves the preset effect and is extremely easy to operate decompression

    06 Endurance

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    4000mAh battery, the battery capacity is the first echelon level in the mobile phone camp.

    We tested the Zhongguancun online 5-hour heavy use endurance model: photo test (30 minutes) Video playback Test (60 minutes), social test (30 minutes), instant messaging (30 minutes), web browsing (30 minutes), game test (60 minutes), online music (30 minutes), e-book (30 minutes).

    After five hours of heavy testing, there is still 52% power left! This endurance is enough to stand out in the mobile phone camp. You don't have to worry about losing power even if you are heavily using it.

    Another hidden danger of large batteries is that they charge slowly. Fortunately, they support 27W PD super fast charging, and are compatible with QC4.0 fast charging. The actual charge charged in half an hour is 53%. Even if there is no electricity when you are out, you can quickly recharge your blood through fast charging.

    07 Summary

     Black technology is not only eye protection dual screen Nubia Z20 comprehensive evaluation

    In the wave of comprehensive screens led by Liu Haiping, Nubia did not drift with the tide, and stopped to think about what a real full screen mobile phone should look like. Further exploration on the basis of Nubia X has brought us an innovative mobile phone - Nubia Z20. There is no doubt that the emergence of Nubia Z20 is a down-to-earth step.

    The unique dual screen appearance completely ends the shocking visual experience of Liu Haiping. In addition, thanks to the optimization of Nubia, the secondary screen of Nubia Z20 has not become a chicken bone, but has brought its own optimization "according to the local conditions". In terms of performance, the Nubia Z20 also has no obvious shortcomings. The flagship aircraft configurations, such as the three camera, Snapdragon 855 Plus mobile platform, long endurance, and fast charging, are always good.

    We have reason to believe that the Z20 mobile phone in Nubia, with its disruptive innovation, will lead the evolution direction of the full screen mobile phone.

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    This article is an original article. If it is reproduced, please indicate the source: Subversion of 48 million ultra clear dual screen self portraits of mobile photography - Nubia Z20 evaluation //mobile.zol.com.cn/723/7238030.html

    mobile.zol.com.cn true //mobile.zol.com.cn/723/7238030.html report seven thousand nine hundred and twelve Where is the future of full screen? Is the clustering of Liu Haiping and beauty tips the direction of screen evolution? Nubia Z20 takes a new approach, continuing Nubia X's double-sided screen, and bringing us technology of the future. On August 8, Nubia launched its annual flagship mobile phone, Nubia Z20, in Beijing. This mobile phone not only continues the design of Nubia X's front and back dual screen, but also retains Nubia X's top and bottom symmetry
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