The iPhone X features dual 12MP sensors, including the wide-angle f/1.8 lens with optical image stabilization (OIS) for the main camera and telephoto lens that features a wider-aperture f/2.4 lens with OIS for secondary camera.
In the breakdown, DxOMark said that the iPhone X is one of the best smartphone they have tested. It is better than iPhone 8 Plus and Note 8.
With a Photo score of 101, the Apple iPhone X achieves the best results so far for still images, edging out the Huawei Mate 10 Pro and the Samsung Galaxy Note 8, the previous joint leaders in the Photo ranking, by one point. Compared to its cousin iPhone 8 Plus, the X improves noticeably on Zoom performance, but also does better in terms of Exposure, Color, Texture, Noise and Artifacts. Other key strengths in still image mode include very good exposures and HDR images, accurate color rendering, good detail with low noise, as well as a natural-looking bokeh effect in Portrait mode.
For video, the X doesn’t quite rise to the same high-water mark, achieving a video sub-score of 89 points. With its key strengths good exposure with fast convergence during lighting changes, accurate color rendering as well as fast and accurate autofocus and effective video stabilization, the X’s scores are almost identical to the iPhone 8 Plus’s. Its overall score of 97 puts the iPhone X into joint second place with the Huawei Mate 10 in the current DxOMark Mobile overall rankings, just behind the Google Pixel 2 with 98 points.