https://wccftech.com/iphone-x-same-camera-design-2018/

With its vertical orientation and improve spec sheet, the iPhone X dual-lens camera is a major upgrade in the smartphone lineup. This upgrade has been rumored to be retained for the 2018 iPhone family, so if you want slightly better optics, you might want to wait for next year.

According to Ming-Chi Kuo, he disagrees with a market speculation that Apple intends to use a 7P (seven-lens plastic) or a 2G3P (two-glass three plastic) lens design for the rear camera of the 2018 iPhone lineup.