Review - The review of hardware and software
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  • X21 is also the representative product of vivo after icc organization joined. The system defaults to the standard P3 wide color gamut display. The built-in photo app uses icc profile to support sRGB color image browsing and processing. So how does this popular handset perform in voice calls?
    W860NB is the latest and highest-performance Edifier ANC headphone. It uses a new microphone to pick up noise outside, matching with another one to pick up feedback inside, and its full-sized, over-ear and steady appearance can easily remind us of competitive models of Sony, Bose, FIIL, etc.
    Beats Studio3 Wireless, which went public before its launch in September, 2017, is the last one Beats headphone launched after Apple's introduction to W1 wireless Bluetooth chip. And it is also a new product using Apple's W1 wireless program after Airpods, BeatsX, Solo3 Wireless and Powerbeats.
    There has been two versions existence of Samsung's S series hardware platform, one is Qualcomm Snapdragon version, while the other Exynos version is rarely seen in China mainland. This time, a rich user sent us the Galaxy S9 + [SM-G965N].
    Huawei's mobile phone, except to the Honor 9, while other models are very common in sound quality, including even the flagship Mate series. Therefore, we do not expect too high on the sound quality of Huawei mobile phones. How does the P20 Pro real hearing performance will be?
    Razer, a young brand, has good reputation among game enthusiasts, and is popular with young people. The brand is gradually expanding into more areas. The Razer Phone is its first mobile phone product. Although the main selling point is the gaming experience, we are still somewhat interested in the sound quality.
    Samsung put higher expectation on this new S9 is placed higher expectations. Such a big player is still receiving attention from all parties. We have also booked the S9 state bank version for the first time. Now let's take a listen at the S9's sound performance.
    Xplay undertaken the title of best sound among smartphones, while X series just provide sound above than average since X6. Therefore, the X21's sound quality will not be suspicious, better than those without separated DAC, but not as good as the Xplay series.
    vivo X21 is equipped with dual-rear-camera, with F1.8 aperture and Samsung CMOS image sensors. What's interesting is, it can work in 12MP mode for dual-pixel PDAF, and also in 24MP with normal PDAF. This set of photos is taken at the same time with S9.
    Vivo X21 uses Samsung's flexible AMOLED panel, full-vision design, 6.28-inch with resolution of 2280x1080 count for 402PPI. Because the AMOLED sub-pixels are arranged in a diamond-shaped Pentile type, the actual pixel density is lower compared to the RGB array of TFT panels. With the rounded corners and the Norch, the X21's screen-to-body ratio increased to 90%.
    The Galaxy S9 series are the first flagships in the Android camp of 2018, and its producer, Samsung, is also the leading OLED display panel supplier. The only thing we concern about is, how good Galaxy S9 will be in display?
    iPhone 8 had reached a highest score in the SRC Mark, but iPhone X is more concerning, as it is the new peak of Apple product, so its camera is also the focus point of the industry.
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