| Samsung Galaxy S9 | Samsung Galaxy S9+ | |
| Dimensions and weight | 147.7 x 68.7 x 8.5, 163g | 158.1 x 73.8 x 8.5, 189g |
| Display | 5.8-inch Quad HD+ Curved Super AMOLED, 18.5:9 (529ppi) | 6.2-inch Quad HD+ Curved Super AMOLED, 18.5:9 (570ppi) |
| Camera | Main: Super Speed Dual Pixel 12MP AF with OIS (f/1.5 or f/2.4) Selfie: 8MP with Auto Focus (f/1.7) | Main: Super Speed Dual Pixel 12MP AF with OIS (f/1.5 or f/2.4) for wide-angle shots and a 12MP AF with OIS as well (f/2.4) for telephoto Selfie: 8MP with Auto Focus (f/1.7) |
| Processor | Snapdragon 845 or Exynos 9810 | Same |
| Memory | 4GB RAM, 64, 128 or 256GB internal storage (expandable upto 400GB) | Same |
| Operating System | Android 8, Oreo | Same |
| Battery | 3,000mAh | 3,500mAh |
| Network | 3G, 4G (Gigabit LTE) | Same |
| Connectivity | Wi-Fi 802.11 a/b/g/n/ac (2.4/5GHz), Bluetooth 5, USB Type-C, NFC | Same |
| Others | Fingerprint sensor, iris scanner, IP68 certification | Same |
