• Display: The S9+ features a 6.2-inch Super AMOLED display with a resolution of 2960 x 1440 pixels, offering vibrant colors and sharp details. It supports HDR10, enhancing video content with better brightness and color contrast.
• Performance: Powered by the Qualcomm Snapdragon 845 (or Exynos 9810 in some regions), it offers fast performance for multitasking, gaming, and running demanding apps. It is paired with 6GB of RAM.
• Camera: The S9+ comes with a dual 12MP rear camera setup, including a wide-angle lens and a telephoto lens for optical zoom. The camera features super slow-motion video, a variable aperture for better low-light performance, and advanced AI enhancements.
• Battery: It has a 3,500mAh battery supporting fast charging and wireless charging, providing a full day's use on average.
• Software: The device runs on Android 8.0 Oreo at launch, but it has since received updates to newer versions of Android.
• Design: The S9+ has an IP68 water and dust resistance rating, and its design is similar to the previous Galaxy S8, with a glass back and curved edges.
• Other features: It includes features like stereo speakers tuned by AKG, facial recognition, iris scanning, Samsung DeX for desktop experience, and expandable storage via a microSD card.

Overall, the Samsung Galaxy S9+ was a top-tier device in 2018, offering a premium smartphone experience with a strong focus on camera quality and display.