This smaller version of the S9+ gets a big hardware upgrade. Let's take a look:

Notchless 5.8" AMOLED Display with resolution of 2960 × 1440 (~570 ppi)

Qualcomm Snapdragon 845 or Samsung’s own Exynos 9810, depending on location

12 MP OIS dual-aperture main camera—f/1.5 and f/2.4 modes—plus an 8 MP selfie cam

Headphone jack and microSD slot

IP68 water/dust-proofing rating

Android 8.0 Oreo