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?
The first full-vision, first AMOLED display, and the first TrueDepth camera, make iPhone X the hottest smartphone till now. However, as a phone, calls are the fundamental function. How about iPhone X's call and noise reduction performance?
OnePlus is branded international, high-performance-affordable smartphones. OnePlus 5T provides Qualcomm Snapdragon 835 SoC, 6GB of RAM, and 64GB internal storage at merely RMB 2999 ($559 on oneplus.net). So, will it remain the performance of previous generation?
OnePlus 5T is the full-vision version OnePlus 5, except that, high performance remains. OnePlus had been a strong performer among smartphones without separated DAC. Let's have a look at the latest one.
Apple removed 3.5mm headphone jack from iPhone 7 series on, however, this controversy design does not affect iPhone sales, on the other side, it changes the audio industry, for wireless earphone penetration gains much.
Huawei had been not good enough in smartphone audio performance until Honor 9, which cannot be regarded as the best ones but at least a beneficial attempt. Then how about the latest high-end Mate10, will it worth anticipating?
The audio performance of Samsung had been quite normal till S8 series. Under the support of Qualcomm¡¯s solution, the audio performance of S8 series makes a great improvement, reaching at the first level among smartphones without separated DAC chip. And not surprisingly, Galaxy Note8 should have a similar or even better performance.
S301 came unexpectedly as Edifier didn't leak anything to us. This speaker has a particular design, making a big difference from the traditional 2.1 speaker system. It adopts a wireless sub-woofer thus bringing different experience.