6.1-inch iPhone 9 is only slightly larger than last year’s iPhone X, despite the increased frame around the display, but much smaller iPhone X Plus. This is indicated by videosevennine layouts of upcoming smartphones from user with nick shaimizrachi. He last year published a similar video where they showed how it will look iPhone X before its release.
From the video it is seen that 6.1-inch iPhone 9 is equipped with a single main camera module, but as a more advanced version has a full screen design with a distinctive notch at the top. There probably will be located a set of front-facing camera, light sensors and proximity and TrueDepth system, the hardware component interface-based face recognition Face ID.
iPhone X Plus
The 6.5-inch model size will be comparable with the iPhone 7 Plus. In any case, when applying the two smartphones, their sizes match almost perfectly. This is a great achievement of the engineers who managed to fit into the housing a 5.5-inch smartphone display with a diagonal of 6.5 inches. Due to this, fans of devices with higher diagonals do not have to get used to the increased size.